Mini-Panel Technical Reference

Draft Version - Draft Version - Draft Version - Draft Version - Draft Version 

Mini-Panel 

Technical Reference 

Dimensions: 3.20" x 2.70" (81 x 69 mm) 

Revision 1.00 

Draft Version 

This book, schematics and artwork copyright 2009 

NCE Corporation 82 East Main Street Webster, NY 14580 


Last revised: 19 January 2009


Description of Mini-Panel 

The mini-panel is primarily intended to make it easy to build control panels for yards, 

towns, interlockings and other layout applications. A secondary use of the panel is to 

provide rudimentary automation of trains or control of signals. For more complex 

automation or signal operation the Macro-panel has more comprehensive 

implementation of these secondary features and more memory for command storage. 

The mini panel has 30 inputs that can be connected to pushbuttons, toggle switches, 

block detectors, etc. for the purpose of issuing accessory, macro or locomotive control 

commands. A thirty-first input is provided to act as a panel reset. Activation of an 

input can initiate sending a string of DCC commands through the track to turnouts, 

locomotives, signals or other DCC controlled devices. Inputs are activated by 

connecting them to the mini panel “GROUND”. This makes the mini panel compatible 

with all pushbutton/toggle switches and most block detectors. 

The mini-panel communicates with the command station via the cab bus and uses one 

cab bus address. 

Setup (programming) of the mini-panel is accomplished by plugging a ProCab or NCE 

USB adapter into the “setup” jack. If USB is used the mini-panel memory is accessed 

via binary CV read and write commands (page or direct mode). USB jumpers should 

be set for PowerCab v1.28 or ALL SYS. CV7 and CV8 return the manufacturer 

number and version of the Mini Panel as with a decoder when used with the USB 

interface. 

Installation Notes: 

The mini panel runs off Cab Bus power (nominal 12V DC) and draws about 90mA of 

current, slightly less than a ProCab. NOTE: When used with the PowerCab use the 

mini panel default address of 3. 

Wiring: 

See the diagram below for sample wiring ideas. 

Plug in ProCab 

or USB interface 

for setup 

Push 

Button 

Push 

Button 

25 26 27 28 29 30 31 GND 

SETUP CAB BUS 

PIN 1 

1 2 3 4 5 6 7 8 GROUND 9 10 11 12 13 14 15 16 

1 2 3 4 

17 18 19 20 21 22 23 24 

BD20 

Block Detector 

Cab Bus 

can be 

daisy chained 

through the 

Mini-Panel 

Toggle 

Switch 


Last revised: 19 January 2009 Page 2


Mini Panel Configuration Memory 

Location 0 - Cab bus address 

This is the Cab bus address useed by the Mini-Panel on the NCE Cab bus. The defualt 

address is 3. Setting this address to 0 will reset the Mini-Panel to factory defaults. 

Location 1 - Debounce timer 

Normally doesn't need to be changed. The value in this location determines how many 

cab bus "pings" (how many times the mini-panel is addressed on the cab bus) that an 

input must be grounded before the Mini-Panel recognizes it as a valid signal. 

Location 2 - For mat for display of unknown commands 

Memory location 2 controls whether (or not) the mini panel will display "unknown" 

commands in hex or decimal. A zero in location 2 means display in decimal, 1=hex. 

When using the USB interface (or the SETUP CONFIG menu) it is possible that 

command can get entered that the mini panel Review feature does not know how to 

display. In this case the mini panel will display the contents of these memory locations 

on the ProCab LCD screen as numeric values. 

Location 3 - Continuous Memory 

You can write fairly long automation sequences by constructing strings of 3 commands 

followed by a link to another string. This is inefficient in that only three out of four 

command locations in memory actually control anything. 

Memory location 3 can be programmed with an input number above which memory will 

be considered continuous. This means above that input number commands will 

continue to flow across each four command boundary and be executed until a 

terminating command of 0x00,0x00 is encountered. 

Remember that if any of those higher number inputs are grounded the associated 

commands starting at that input number will still be executed (unless memory location 

4 is programmed) and run until a termination command is encountered. 

Location 4 - Disabled inputs 

Memory location 4 can be programmed with the input number above which electrical 

status of those inputs will be ignored. Grounding one of those inputs will not result in 

execution of its command string. The input will still be used by the WAIT and SKIP 

commands that look at input status. 

Location 5 - Interrupting Wait Commands 

Wait commands will loop until the input condition is met. No other operations of the 

mini panel will be performed while waiting so the panel will appear dead. It is quite 

possible that situations on the layout will occur that upset the flow of your automation 

‘program’. Imagine that the program is waiting for a loco to get to a certain block and a 

derailment occurs causing the train to stop. The loco is replaced on the track but on a 

parallel track resulting in the loco never getting to the block that the program is 

expecting to be occupied. The mini panel will wait forever appearing to be 

unresponsive. You can utilize an unused input of the mini-panel as an ‘interrupt’ to 

break the mini panel out of this wait forever loop and continue normal operations. 

Program memory location 5 with the input number you want to use as the interrupt. By 

connection a pushbutton to this input you can provide a recovery mechanism without 

resetting the entire panel, losing turnout positions, signal aspects or loco function 

states. 

Location 6 - 

Memory location 6 is unused. 

Location 7 - 

Memory location 7 is unused. 




To set up the Mini Panel plug a ProCab into the "SETUP" jack of the Mini Panel, make 

sure the Cab Bus is connected from the Mini Panel to the NCE DCC system and turn 

the power for the system on. 

The mini panel will detect the presence of the ProCab and you should see an opening 

LCD display of: 

NCE NCE MINI-PANEL 

MINI-PANEL 

VERSION VERSION 1.00 

1.00 

Press ENTER on the ProCab to get the main display for panel setup 

1=SETUP 2=MACRO 

3=TEST OPERATION 

We want to setup the panel so press "1" to enter setup mode, this will present the 

display screen as below 

Press "1" to setup an INPUT. 

SETUP MINI PANEL 

1=INPUT 2=CONFIG 

SETUP INPUT MENU 

INPUT NUMBER: 01 

We will start programming the inputs with input number 1. Type “1” followed by 

“ENTER” to program input number 1 

SETUP INPUT MENU 

STEP NUMBER: 1 

Normally when setting up an input we start with step number 1. We want to start 

programming at step 1 so just press ENTER to accept that step. Commands will be 

sent from the Mini Panel in order of their step number until an ‘empty’ step is 

encountered or four steps are completed. 

INP: 01 STEP: 1 

1=ACCY 2=MACRO 

At this point we’re ready to tell the mini panel exactly which command to send when 

button 1 is pushed. Press “1” to send an accessory command. 


ACCY NUMBER: 

Type the accessory number “1” followed by “ENTER”. Allowable NMRA accessory 

addresses are 1-2044. Accessory number 2044 is the broadcast address for 

accessories. There is no accessory address 0. 


1=NORM 2=REV 

Press “1” to send the accessory command for Normal when button 1 is pressed. 


1=ACCY 2=MACRO 




Note that the step number has increased to 2 indicating the last command has been 

accepted and the Mini Panel is ready for the next command for this input. We don’t 

need any more commands for this input so press “PROG/ESC” to return to the main 

menu. 



Let’s review the command that has just been programmed. Press “2” to review. 

1=SETUP 2=REVIEW 

REVIEW INPUT: 

Type “1” and press “ENTER” to review the command sent by input number 1 


ACCY: 001 NORM 

The LCD no displays the accessory number (1) that we entered and the turnout 

position (Normal). Press “ENTER” to see the next step for this input 


--END-- 

The display now indicates that there are no more entries programmed into this string. 

At this point you may continue pressing “ENTER” to cycle up through all the commands 

programmed if you wish. The Input and step numbers will be displayed as well as a 

description of the command for that step. Press “PROG/ESC” to return to the main 

menu. 



At this point we have programmed and reviewed the command(s) that will be sent 

when input number 1 is grounded. The command can be tested by pressing “3”. 

TESTING 

INPUT NUMBER: 01 

Press “1” followed by “ENTER” to test input 1. The command string associated with 

input number 1 will be sent. 



Putting the Mini Panel into test mode will also allow testing of any input by grounding 

that input number. Pressing any button on the ProCab will return the Mini Panel to 

setup mode. 

Finishing programing: 

At this point we have programmed, reviewed and tested the command(s) that will be 

sent when input number 1 is grounded. In a similar manner we can program the 

commands for inputs 2,3 and 4 using the proper accessory or macro commands. 




MAIN MENU 

MENU NAVIGATION CHART 

2 3 

REVIEW 

TEST 

1 

SETUP 

2 

SETUP CONFIG INPUT # 

INPUT # 

1 

SETUP INPUT 

CAB ADDRESS 

INPUT # 

MEM ADDRESS 

STEP # 

MEMORY DATA 

5 

OTHER 

4 

SIGNAL 

3 

LOCO 

2 

MACRO 

1 

ACCY 

SIGNAL # 

MACRO # 

ACCY # 


Last revised: 19 January 2009 Page 6 

ASPECT 

3 

FUNCTIONS 

2 

SPEED 

1 

SELECT 

NORM or REV 

LOCO # 

2 

F5-F8 

1 

F0-F4 

2 

28 MODE 

1 

128 MODE 

SPEED VAL 

SPEED VAL 

DIRECTION 

DIRECTION 

6 

SKIP 

5 

ADD NOP 

4 

OPS PROG LOC 

3 

LINK 

2 

WAIT 

1 

DELAYS 

CV # 

INPUT # 

2 

OPEN 

1 

GROUND 

2 

OPEN 

1 

GROUND 

2 

1/4 SECs 

1 

4 SECs 

DATA 

INPUT # 

INPUT # 

# #


Command Descriptions: 

The following commands can be setup through the ProCab user interface and sent by 

the Mini Panel: 

Accessory/Macro commands 

� Accessory Command - all NMRA standard accessory addresses (1-2044) can be 

sent via the accessory command. There is no address 0. Address 2044 is the 

boradcast addresss. 

� Macro command - all NCE macro numbers (0-255) can be sent via the Macro 

command. 

Locomotive commands 

Speed and functions may be controlled 

� Select loco - A locomotive must be selected before any commands can be sent to 

that loco. Any NMRA standard locomotive address (up to 9999) may be selected. 

Short addresses fro 1-127 and long addresses 0-9999 are all valid and are entered 

in the same manner as they are selected in normal operations with a Pro/Power 

Cab. A leading zero before and address in the range of 1-127 indicates a long 

address. Once a loco address is selected all speed, function and Ops programing 

commands will be sent to that address unless another address is selected. 

� Speed commands - Both 28 and 128 speed mode commands can be sent. Once 

the speed is entered the direction can be changed by pushing the “DIRECTION” 

button. 

� Function commands - Function commands for F0-F8 can be sent. Due to the way 

the NMRA has defined function operation, functions are not controlled individually 

but are controlled in groups of four or five (or eight) at once. The state of F0-F4 

(function group 1) must be sent as one command while the state of F5-F8 (function 

group 2) is as a different command. When you choose the ‘Function’ option from 

the Loco commands Menu you must choose which function group you want to 

control 

ENTER FUNC GROUP 

1=F0-F4 2=F5-F8 

Once the group is selected you can select which functions in that group are to be 

on or off. 

PRESS F NUMBER 

DIGITS 0-4:----- 

In the case of function group 1 (LCD display above) pressing a digit of 0-4 will 

toggle that function on/off. If a digit is displayed the function will be on of a 

dash (“-”) is displayed the function will be off. 

PRESS F NUMBER 

DIGITS 0-4:0-23- 

In the display above F0 (headlight),F2 and F3 will be on and F1, F4 will be off. 

Signal commands 

� Signal Command - all NMRA standard signal addresses (1-2044) can be controlled 

via the signal command. Aspects are limited to the first 8 aspects (0-7). The 

signal commands are the NMRA standard signal commands using NMRA standard 

signal control packets. There is no address 0. Address 2044 is the broadcast 

address. 




Other commands 

There are 6 groups of ‘other’ commands executed by the Mini Panel. These 

commands do not result in a DCC command being sent but control the flow of the 

commands from the Mini Panel. 

� Delays - Two different delay commands can be used. These commands will cause 

the Mini Panel to delay execution of the next command in increments of ¼ second 

(up to 64 seconds total delay) or increments of 4 seconds (up to 1020 seconds 

total delay). A delay of 0 will cause the next command to be executed immediately. 

Use of this command causes all operation of the Mini Panel to stop while the 

command is in progress. 

� Wait - There are two Wait commands, one command waits for a indicated input to 

be grounded, the other waits for the indicated input to become ungrounded (open). 

Use of this command causes all operation of the Mini Panel to stop while the 

command is in progress. 

� Link - Use of this command will transfer operation to the string of four commands 

associated with another input. 

� Skip -There are two commands that can be used to make a decision based on the 

status of an input. These commands check the status of a user indicated input 

and either execute the next command in the string or skip over that command and 

execute the following command. One skip command skips if the indicated input is 

grounded the other skips if the input is ungrounded (open). These are very 

powerful commands allowing the Mini Panel to execute different commands based 

on the state of an input at the time the skip command is executed. 

� Nop - The No-Operation command. This command can be used as a place holder 

for future commands. When the Mini panel encounters this command in the 

command string it will be ignored and the next command will be executed. 

� CV Program - Allows programming of locomotive CVs in Ops mode. OPs mode 

programming requires 3 steps: 

set loco address (long or short) 

set CV number 

set CV data 

When the data command is executed an Ops programming command will be 

issued out over the cab bus to the track. 

Technical stuff: 

Linking command strings 

Inputs cannot normally be “decoupled” from their command string. If you link to the 

command string of an input that is connected to something that may activate that input, 

the commands for that input will be executed when the input is grounded. In some 

circumstances this may be desirable allowing portions of larger, longer command 

strings to be used. Normally you will want to leave linked inputs electrically 

unconnected. 

OPs programming command 

OPs mode programming requires 3 steps: 

set loco address (long or short) 

set CV number 

set CV data 

When the data is set the programming command will be issued out over the cab bus to 

the track. If the loco address has already been set in a previous command that 

address will be used. The same applies to the CV number. You can use this to your 

advantage to program momentum using the (3 required steps) into a locomotive then 

later just programming a new momentum value using only the set CV data command. 

Command string terminator 

When the mini panel encounters the command 0x00,0x00 it is considered the 

command string terminator. Any commands following the terminator in the string will 

not be executed. 

Input scanning 




The inputs of the Mini-panel are scanned in numerical order. Inputs are sampled in 

groups of 8 and stored in temporary memory. This group is then scanned for active 

inputs. An input at or near ground potential is considered active. When an input is 

transitions from open (high due to 5v pull-up resistor) to ground (low) it will trigger 

execution of a string of up to four commands associated with that input. Transitions 

from low to high are ignored and no action is performed. 

The lowest numbered active input of the group of eight is acted upon first. The 

command string associated with that input will be executed. Execution of the 

command string will continue until a command of 0x00,0x00 is encountered or until 4 

commands are executed. 

One exception to the four command limit is the “link” command that transfers execution 

to another input command string. This allows borrowing the memory location from 

other (possibly) unused inputs to create longer strings of commands. The memory 

space for the unused input can be used by another command string. 

Once a command string has completed execution the next active input will be located 

and its command string executed. 

After a group of 8 inputs is scanned and any active inputs are serviced the next group 

of 8 inputs will be sampled. 

Inputs are captured eight at a time and actions generated by those 8 inputs are 

completed before capturing the next higher group of eight. If an input of one group of 8 

initiates a long string of commands (see linking below) that will take a significant period 

of time is it possible to miss momentarily activated inputs. This is not a problem for 

typical applications with quick acting command strings such those used with a control 

panel that just issues accessory/macro commands. The problem may occur in layout 

automation applications that require long periods of time waiting for a loco to enter a 

block or delays used for stopping at a station. In these cases you must carefulyl 

consider the series of event that may be happening and how commands are strung 

together. 

USB interface 

When using the NCE USB interface memory locations 1-255 can be read or written 

using programming track direct mode binary commands 0xa8 and 0xa9. It is 

necessary to put the USB interface into program track mode with the 0x9e command 

before attempting programming other wise you will just get the “not in program track 

mode” response from the USB interface. This will allow you to test the commands you 

just programmed without having to disconnect the USB interface. You cannot read 

memory location 0 (Cab Bus address). Memory locations 6 (ver) and 7 (mfr) allow 

you to determine the Mini Panel manufacturer and software version. Mini panel 

software versions start at 200 (decimal) and the manufacturer is 11 decimal (NCE). 

You may still write memory locations 6 and 7 but not read them through the USB 

interface. They are trapped by the mini panel software when the USB is used for 

reading with the manufacturer and version substituted for the actual values in memory. 

You can read them by plugging a ProCab into the SETUP port. 

When using Decoder Pro for programming select: 

Service mode programming 

Comprehensive Programmer format 

NMRA 

Raw CVs 1-255 

Click on “READ” for CV1. Due to multiple layers of buffering between the USB and 

Mini Panel the first CV read will fail but you should get valid reads and writes from that 

point on. Using Direct Byte mode is slightly faster than Paged mode. 

When finished programming you can put the Mini Panel back into operational mode 

with the 0xa6 (Write register) command. Any register and value is OK. The panel is 

just looking for any Write Register command 




Gotchas 

� Any and all commands for Input 31 will be executed before the mini panel tries to 

detect a ProCab plugged into the SETUP port. If you have an automation program 

that begins at power up the ProCab will not be detected for setup until the program 

completes. If the program doesn’t complete (“wait forever” etc) you will not be able 

to access the setup menus. Workaround: You can force the Mini Panel into setup 

mode by installing the “PROG” jumper. It is best to remove the jumper as soon as 

you get into setup mode as the jumper shorts out the mini panel internal Cab Bus 

receive line. The mini panel chips should be protected against this short but it’s best 

to not tempt fate. 

� 




Command format of the Mini Panel 

The table below describes the hex bytes stored in the memory locations for each command 

Hex 1st Byte 2nd Byte Command 

0x00 0000 0000 0000 0000 command string terminator - stop 

execution 

00->07 0000 0aaa aaaa aaaa accessory on(N) 1->2044, addr 0 not 

valid 

08->0f 0000 1aaa aaaa aaaa accessory off(R) 1->2044, addr 0 not 

valid 

40->7f 01nn naaa aaaa aaaa signal 1-2044 aspect 0-7, addr 0 not 

valid 

80->b7 10aa aaaa aaaa aaaa set long loco address 0-10239 

b8-bb 1011 10nn nnnn nnnn set OPs CV num. 1-1024 (set loco/accy 

addr 1st) 

bc 1011 1100 dddd dddd set OPs loco CV data (set CV number 

first) 

bd 1011 1101 dddd dddd set OPs accy CV data (set CV number 

first) 

be 1011 1110 dddd dddd set OPs signal CV data (set CV number 

first) 

bf 1011 1111 nnnn nnnn delay in 4 second increments 

c0 1100 0000 0sss ssss stored loco 128 speed reverse 

c0 1100 0000 1sss ssss stored loco 128 speed forward 

c1 1100 0001 000s ssss stored loco 28 speed reverse (0-28 

valid) 

c1 1100 0001 001s ssss stored loco 28 speed forward (0-28 

valid) 

c1 1100 0001 010f ffff function group 1 f0,f4,f3,f2,f1 

c1 1100 0001 0110 ffff function group 2 f8,f7,f6,f5 

c1 1100 0001 0111 ffff function group 3 f12,f11,f10,f9 

c1 1100 0001 1aaa aaaa set short loco address 

c2 1100 0010 ffff ffff f20->f13 

c3 1100 0011 ffff ffff f28->f21 

c4 1100 0011 nnnn nnnn loco detected in block 0-255 

c5 1100 0101 nnnn nnnn delay in 1/4 second increments 

c6 1100 0110 000n nnnn wait until input nnnnn active, 0 not 

valid 

c6 1100 0110 001n nnnn wait until input nnnnn not active, 0 

not valid 

c6 1100 0110 010n nnnn link to execute commands for input 

nnnnn 

c6 1100 0110 011x xxxx unused 

c6 1100 0110 100n nnnn if input nnnnn active skip the next 

command 

c6 1100 0110 101n nnnn if input nnnnn not active skip the 

next command 

c6 1100 0110 11xx xxxx not used 

c7 1100 0111 nnnn nnnn macro 0-255 

c8-cf 1100 1aaa aaaa aaaa set accessory/signal address 1-2044 

d0-fe ---- ---- ---- ---- unused 

ff 

Key: 

1111 1111 1111 1111 nop - no-operation, just execute next 

command 

a - address bit, f - function bit, n - number, s - speed data, x - undefined 

Notes: 

Commands bf and c5 block reading/execution of all inputs until time expires 

The wait commands of c6 block reading of all other inputs until condition is met 

The “skip” commands of c6 work in “real time” (right now) and do not wait or block other 

commands 

Once the loco address is set all subsequent locomotive commands will be sent to that address. 

Once the accy or signal address is set all subsequent OPs programming commands will be sent 

to that address 

Due to memory limitations the 0xbd,0xbe,0xc2, 0xc3, 0xc8 and 0xc6 function group 3 

commands are not available through the ProCab setup interface. They are available for use 

through the USB interface. 



Chart of Mini Panel memory locations 

4 

15 

7e/7f 

126/127 

3 

15 

7c/7d 

124/125 

2 

15 

7a/7b 

122/123 

1 

15 

78/79 

120/121 

4 

31 

fe/ff 

254/255 

4 

14 

76/77 

118/119 

3 

31 

fc/fd 

252/253 

3 

14 

74/75 

116/117 

2 

31 

fa/fb 

250/251 

2 

14 

72/73 

114/115 

1 

31 

f8/f9 

248/249 

1 

14 

70/71 

112/113 

4 

30 

f6/f7 

246/247 

4 

13 

6e/6f 

110/111 

3 

30 

f4/f5 

244/245 

3 

13 

6c/6d 

108/109 

2 

30 

f2/f3 

242/243 

2 

13 

6a/6b 

106/107 

1 

30 

f0/f1 

240/241 

1 

13 

68/69 

104/105 

4 

30 

ee/ef 

238/239 

4 

12 

66/67 

102/103 

3 

29 

ec/ed 

236/237 

3 

12 

64/65 

100/101 

2 

29 

ea/eb 

234/235 

2 

12 

62/63 

98/99 

1 

29 

e8/e9 

232/233 

1 

12 

60/61 

96/97 

4 

29 

e6/e7 

230/231 

4 

11 

5e/5f 

94/95 

3 

28 

e4/e5 

228/229 

3 

11 

5c/5d 

92/93 

2 

28 

e2/e3 

226/227 

2 

11 

5a/5b 

90/91 

1 

28 

e0/e1 

224/225 

1 

11 

58/59 

88/89 

4 

27 

de/df 

222/223 

4 

10 

56/57 

86/87 

3 

27 

dc/dd 

220/221 

3 

10 

54/55 

84/85 

2 

27 

da/db 

218/219 

2 

10 

52/53 

82/83 

1 

27 

d8/d9 

216/217 

1 

10 

50/51 

80/81 

4 

26 

d6/d7 

214/215 

4 

9 

4e/4f 

78/79 

3 

26 

d4/d5 

212/213 

3 

9 

4c/4d 

76/77 

2 

26 

d2/d3 

210/211 

2 

9 

4a/4b 

74/75 

1 

26 

d0/d1 

208/209 

1 

9 

48/49 

72/73 

4 

25 

ce/cf 

206/207 

4 

8 

46/47 

70/71 

3 

25 

cc/cd 

204/205 

3 

8 

44/45 

68/69 

2 

25 

ca/cb 

202/203 

2 

8 

42/43 

66/67 

1 

25 

c8/c9 

200/201 

1 

8 

40/41 

64/65 

4 

24 

c6/c7 

198/199 

4 

7 

3e/3f 

62/63 

3 

24 

c4/c5 

196/197 

3 

7 

3c/3d 

60/61 

2 

24 

c2/c3 

194/195 

2 

7 

3a/3b 

58/59 

1 

24 

c0/c1 

192/193 

1 

7 

38/39 

56/57 

4 

23 

be/bf 

190/191 

4 

6 

36/37 

54/55 

3 

23 

bc/bd 

188/189 

3 

6 

34/35 

52/53 

2 

23 

ba/bb 

186/187 

2 

6 

32/33 

50/51 

1 

23 

b8/b9 

184/185 

1 

6 

30/31 

48/49 

4 

22 

b6/b7 

182/183 

4 

5 

2e/2f 

46/47 

3 

22 

b4/b5 

180/181 

3 

5 

2c/2d 

44/45 

2 

22 

b2/b3 

178/179 

2 

5 

2a/2b 

42/43 

1 

22 

b0/b1 

176/177 

1 

5 

28/29 

40/41 

4 

21 

ae/af 

174/175 

4 

4 

26/27 

38/39 

3 

21 

ac/ad 

172/173 

3 

4 

24/25 

36/37 

2 

21 

aa/ab 

170/171 

2 

4 

22/23 

34/35 

1 

21 

a8/a9 

168/169 

1 

4 

20/21 

32/33 

4 

20 

a6/a7 

166/167 

4 

3 

1e/1f 

30/31 

3 

20 

a4/a5 

164/165 

3 

3 

1c/1d 

28/29 

2 

20 

a2/a3 

162/163 

2 

3 

1a/1b 

26/27 

1 

20 

a0/a1 

160/161 

1 

3 

18/19 

24/25 

4 

19 

9e/9f 

158/159 

4 

2 

16/17 

22/23 

3 

19 

9c/9d 

156/157 

3 

2 

14/15 

20/21 

2 

19 

9a/9b 

154/155 

2 

2 

12/13 

18/19 

1 

19 

98/99 

152/153 

1 

2 

10/11 

16/17 

4 

18 

96/97 

150/151 

4 

1 

0e/0f 

14/15 

3 

18 

94/95 

148/149 

3 

1 

0c/0d 

12/13 

2 

18 

92/93 

146/147 

2 

1 

0a/0b 

10/11 

1 

18 

90/91 

144/145 

1 

1 

08/09 

8/9 

4 

17 

8e/8f 

142/143 

--- 

0x07 

7 

3 

17 

8c/8d 

140/141 

--- 

0x06 

6 

2 

17 

8a/8b 

138/139 

“Wait” Interrupt 

0x05 

5 

1 

17 

88/89 

136/137 

Dead inputs 

0x04 

4 

4 

16 

86/87 

134/135 

Continuous mem 

0x03 

3 

3 

16 

84/85 

132/133 

Clear 8 mem loc 

0x02 

2 

2 

16 

82/83 

130/131 

Debounce 

0x01 

1 

1 

16 

80/81 

128/129 

Cab Bus Addr 

0x00 

0 

Step # 

INP # 

Hex 

Decimal 

Step # 

INP # 

Hex 

Decimal 

Description 

Memory location 

Description 

Memory location 





Default values for memory locations 

Location 0 - 3 Cab bus address, 2-63 are OK 

Location 1 - 5 Debounce timer (normally doesn’t ever need change) 

Location 2 - 0 Clear all 8 memory locations for an input when programming 1=don’t 

Location 3 - 0 Input number at/above which command string memory is continuous 

Location 4 - 0 Input number at/above which commands will not execute if input active 

Location 5 - 0 Input number than can be used to interrupt “wait” commands 

Location 6 - Unused (Software version 201 when read via USB - CV7) 

Location 7 - Unused (Manufacturer 11 when read via USB - CV8) 

Locations 8 through 255 - 0 

Warning: This product contains chemicals known to the State of 

California to cause cancer, birth defects or other reproductive harm. 

Warranty 

This product is fully factory tested and warranted against manufacturing defects for a 

period of 1 year. As the circumstances under which this product is installed can not be 

controlled, failure due to installation problems can not be warranted. This includes 

misuse, miswiring, operation under loads or voltages beyond the design range of the 

product. 

For warranty or non-warranty repair/replacement send the product (an any payment, if 

required) to: 

NCE Warranty Center 82 East Main St. Webster, New York 14580 

The terms Silent Running, Power Pro, PowerCab , ProCab, Switch-It the NCE logo with “Power of DCC” slogan are trademarks of 

NCE Corporation. The distinctive shape of the ProCab when used with a thumbwheel speed control and LCD display is a 

trademark of NCE Corporation.

Mini-Panel Technical Reference

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