Blink Marine PKP-2400-LI User manual

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PKP-2400-LI
J1939 USER MANUAL
!
THE PRESENT MANUAL IS FOR REFERENCE ONLY AND MIGHT BE NOT UP TO DATE TO THE LATEST VERSION.
PLEASE CONTACT US FOR GETTING THE MOST UPDATED FILE

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Table of contents
1. !!!!How!to!connect!CAN!bus:!.........................................................................................!3!
2.!!!!!Reference!.................................................................................................................!3!
3.!!!!!Message!header!description!....................................................................................!4!
4.!!!!!General!Data!Format!................................................................................................!4!
5.!!!!!Default!Settings!........................................................................................................!5!
6.!!!!!Key!Contact!state!(01h)!............................................................................................!5!
7.!!!!!LED!command!(01h)!.................................................................................................!6!
8.!!!!!Set!LED!brightness!level!(02h)!..................................................................................!7!
9.!!!!!Set!backlight!level!(03h)!...........................................................................................!7!
10.!Set!startup!keys!message(28h)!....................................................................................!8!
11.!Get!software!revision!(2Ah)!........................................................................................!8!
12.!Set!startup!LED!show!(34h)!.........................................................................................!8!
13.!Baud!rate!setting!(6Fh)!................................................................................................!9!
14.!Set!Source!Address!(70h)!.....................................!15565734(8497:;<8=>564;6;4?4@7A=;=B63!
15.!Periodic!state!transmission!(71h)!..............................................................................!10!
16.!Event!state!transmission!(72h)!..................................................................................!10!
17.!LED!Acknowledgment!(73h)!......................................................................................!11!
18.!Address!Claim!at!boot!(74h)!......................................................................................!11!
19.!Heartbeat!(75h)!.........................................................................................................!13!
20.!Periodic!Key!message!period!(77h)!...........................................................................!14!
21.!Start!Demo!mode(7Ah)!.............................................................................................!14!
22.!Set!backlight!level!at!startup!(7Bh)!...........................................................................!14!
23.!LED!dim!at!startup!(7Ch)!...........................................................................................!15!
24.!Set!backlight!color!(7Dh)!...........................................................................................!15!
25.!Set!CAN!protocol!.......................................................................................................!15!
APPENDIX:!DEMO!Mode!instructions!...............................................................................!16!
26.!Revision!history!.........................................................................................................!16!
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1. How to connect CAN bus:
Each end of the CAN bus is terminated with 120Ωresistors in compliance with the standard
to minimize signal reflections on the bus. You may need to place a 120Ωresistor between
CAN-L and CAN-H.
Warning: to avoid breakage do not tighten the backshell nuts with a torque exceeding 0.8 Nm!
2. Reference
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!
PKP-2400-LI
PIN
COLOUR
FUNCTION
1
Blue
CAN L
2
White
CAN H
3
Black
Negative battery
4
Red
Vbatt. (12-24V)

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3. Message header description
The 29-bit CAN identifier used in J1939 is structured in the following way.
Priority
Reserved
Data Page
PDU Format
PDU
Specific
Source
Address
3 bits
1 bit
1 bit
8 bits
8 bits
8 bits
The proprietary format used by PKP keypads is defined as follows:
Priority = 6.
Reserved = 0.
Data page = 0.
PDU Format = EFh (the message is addressable).
PDU Specific = Destination Address.
Parameter Group Number (PGN) = 61184 (EF00h).
An example of CAN identifier of messages sent to the keypad is 18EF2100h where:
21h is the destination address (keypad)
00h is the source address.
An example of CAN identifier of messages sent by the keypad is 18EFFF21h where:
FFh refers to broadcast messages (no specific destination address)
21h is the source address (keypad).
4. General Data Format
The proprietary protocol has defined a general format for the data fields in the PGN
61184. The format consists of:
1 header field (2 bytes)
1 command byte
5 bytes (the remaining field) are defined specifically for each command.
The data length is 8 bytes, unused bits and bytes are set to all 1’s (0xFF).
Byte 0
04h
Byte 1
1Bh
Byte 2
Command
Byte 3-7
Data required for each specific
command

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5. Default Settings
Setting
Default state or level
How to change
CAN bus Baud Rate
250 kbit/s
Command 6Fh
Source Address
21h
Command 70h
Keypad Identifier
21h
Command 70h
Heartbeat Message
Disable
Command 75h
Periodic state transmission
Disable
Command 71h
Periodic transmission period
100ms
Command 77h
Event state transmission
Enable
Command 72h
Address claim
Disable
Command 74h
LED brightness level
3Fh
Command 7Ch
Startup backlight
OFF
Command 7Bh
Startup LED show
Complete LED
Sequence
Command 34h
Backlight color
Amber
Command 7Dh
LED acknowledgment
Disable
Command 73h
6. Key Contact state (01h)
This message is sent by the keypad to indicate the state of the contacts. The
destination address is set to FFh: broadcast message. See chapter 2 for Key number
reference.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
01h
Contact state message
Byte 3
XXh
XX: Key number
Byte 4
YYh
Contact State
00: Switch OFF (Key released)
01: Switch ON (Key pressed)
Byte 5
ZZh
Keypad Identifier (default 21h)
Byte
6,7
FFh
Not used
Examples:
Direction
Identifier
Form
Message
Data
From Keypad
18EFFF21h
Ext
04 1B 01 01 01 21 FF FF
Key 1 ON
From Keypad
18EFFF21h
Ext
04 1B 01 01 00 21 FF FF
Key 1 OFF
From Keypad
18EFFF21h
Ext
04 1B 01 02 01 21 FF FF
Key 2 ON
From Keypad
18EFFF21h
Ext
04 1B 01 02 00 21 FF FF
Key 2 OFF
From Keypad
18EFFF21h
Ext
04 1B 01 03 01 21 FF FF
Key 3 ON
From Keypad
18EFFF21h
Ext
04 1B 01 03 00 21 FF FF
Key 3 OFF
From Keypad
18EFFF21h
Ext
04 1B 01 04 01 21 FF FF
Key 4 ON
From Keypad
18EFFF21h
Ext
04 1B 01 04 00 21 FF FF
Key 4 OFF
From Keypad
18EFFF21h
Ext
04 1B 01 05 01 21 FF FF
Key 5 ON
From Keypad
18EFFF21h
Ext
04 1B 01 05 00 21 FF FF
Key 5 OFF
From Keypad
18EFFF21h
Ext
04 1B 01 06 01 21 FF FF
Key 6 ON
From Keypad
18EFFF21h
Ext
04 1B 01 06 00 21 FF FF
Key 6 OFF
From Keypad
18EFFF21h
Ext
04 1B 01 07 01 21 FF FF
Key 7 ON
From Keypad
18EFFF21h
Ext
04 1B 01 07 00 21 FF FF
Key 7 OFF
From Keypad
18EFFF21h
Ext
04 1B 01 08 01 21 FF FF
Key 8 ON
From Keypad
18EFFF21h
Ext
04 1B 01 08 00 21 FF FF
Key 8 OFF
If the Event state transmission is enabled, the Key Contact state message is sent
when a key is switched. If the Periodic state transmission is enabled, every Periodic

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transmission period a Key Contact state message is sent for each button of the
keypad.
7. LED command (01h)
This message is sent to the keypad to set the state of the LED indicators. See chapter
2 for Key and LED number reference
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
01h
LED command message
Byte 3
XXh
XX: Key number
Byte 4
YYh
LED State
00h: off
01h: red on
02h: red blink
03h: red alternate blink
04h: green on
05h: green blink
06h: green alternate blink
07h: amber on
08h: amber blink
09h: amber alternate blink
0Ah: blue on
0Bh: blue blink
0Ch: blue alternate blink
0Dh: cyan on
0Eh: cyan blink
0Fh: cyan alternate blink
10h: magenta on
11h: magenta blink
12h: magenta alternate blink
13h: white on
14h: white blink
15h: white alternate blink
16h: red and green alternate blink
17h: red and blue alternate blink
18h: red and amber alternate blink
19h: green and blue alternate blink
1Ah: green and amber alternate blink
1Bh: blue and amber alternate blink
Byte 5,7
FFh
Not used
Examples:
Direction
Identifier
Format
Message
Data
To Keypad
18EF2100h
Ext
04 1B 01 01 01 FF
FF FF
LED Key1 red on
To Keypad
18EF2100h
Ext
04 1B 01 01 00 FF
FF FF
LED Key1 off
To Keypad
18EF2100h
Ext
04 1B 01 02 04 FF
FF FF
LED Key2 green on
To Keypad
18EF2100h
Ext
04 1B 01 02 00 FF
FF FF
LED Key2 off
To Keypad
18EF2100h
Ext
04 1B 01 07 0A FF
FF FF
LED Key7 blue on
To Keypad
18EF2100h
Ext
04 1B 01 07 00 FF
FF FF
LED Key7 off

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To Keypad
18EF2100h
Ext
04 1B 01 08 05 FF
FF FF
LED Key8 green blinks
To Keypad
18EF2100h
Ext
04 1B 01 05 09 FF
FF FF
LED Key5 amber
alternate blinks
To Keypad
18EF2100h
Ext
04 1B 01 07 15 FF
FF FF
LED Key7 white
alternate blinks
To Keypad
18EF2100h
Ext
04 1B 01 04 16 FF
FF FF
LED Key4 blinks red
and green in alternate
mode
8. Set LED brightness level (02h)
This message sets the value of the indicator LED brightness. The value can be set from
0 to 3Fh from a minimum value to 100% of the LED dimming range.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
02h
LED brightness level message
Byte 3
XXh
XX: Dim Value (default 3Fh)
From 00h (min) to 3Fh (100%)
Byte 4,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
To Keypad
18EF2100h
Ext
04 1B 02 10 FF FF
FF FF
Brightness set to 25%
9. Set backlight level (03h)
This message sets the value of the backlight LED brightness. The value can be set from 0
to 3Fh from 0 to 100% of the brightness range.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
03h
Backlight brightness level message
Byte 3
XXh
XX: Value (default 00h)
From 00h (0%) to 3Fh (100%)
Byte 4,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
To
Keypad
18EF2100h
Ext
04 1B 03 0C FF FF FF
FF
Backlight set to
18,75%

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10. Set startup keys message(28h)
This command enables the transmission during power up of the state of the keys.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
28h
Startup keys message
Byte 3
XXh
XX:
00h Disabled (default)
01h Enabled
Byte 4,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
To
Keypad
18EF2100h
Ext
04 1B 28 01 FF FF
FF FF
Enable startup keys
message
11. Get software revision (2Ah)
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
2Ah
Get software revision
Byte 3,7
FFh
Not used
Answer:
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
2Ah
Get software revision
Byte 3,6
XXh XXh XXh XXh
SW revision ASCII
Byte 7
00h
Not used
Example
Direction
Identifier
Format
Message
Data
To Keypad
18EF2100h
Ext
04 1B 2A FF FF FF FF
FF
Get software
revision
From
Keypad
18EFFF21h
Ext
04 1B 2A 56 32 2E
36 00
V2.6
12. Set startup LED show (34h)
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
34h
Startup LED show
Byte 3
XXh
XX:
00h OFF
01h Complete led show (default)
02h Fast flash
Byte 4,7
FFh
Not used
Example
Direction
Identifier
Format
Message
Data
To
Keypad
18EF2100h
Ext
04 1B 34 00 FF FF
FF FF
Set Startup LED show
OFF

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13. Baud rate setting (6Fh)
This message is used to change the baud rate of the CAN bus. Connecting only one
keypad to the bus when changing the baud rate is recommended. If an invalid value is
chosen, then no change is done to the stored value.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
6Fh
Set baud rate message
Byte 3
02h
500kbit/s
03h
250kbit/s
Byte 4,7
FFh
Not used
14. Set Source Address (70h)
This message is used to change the keypad CAN Source Address and/or the Keypad
Identifier. Either or both the Source Address or Keypad Identifier may be changed
independently. Connecting only one keypad to the bus when changing the keypad address
is recommended. If an invalid value is chosen, then no change is done to the stored value.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
70h
Set Address message
Byte 3
XXh
XX: CAN Source Address
From 01h to FEh
FFh No change
Byte 4
YYh
YY: Keypad Identifier
From 00h to FEh
FFh No change
Byte 5,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
To
Keypad
18EF2100h
Ext
04 1B 70 18 22 FF
FF FF
Set Source Address =
18h,
Set Keypad identifier =
22h.
Example
Direction
Identifier
Format
Message
Data
To Keypad
18EF2100h
Ext
04 1B 6F 02 FF FF FF
FF
Set Baud rate at
500kbit/s

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15. Periodic state transmission (71h)
This message enables or disables the periodic transmission of the Key state.
When enabled, one contact state message is periodically sent for each button of the
keypad. For some keypad models there could be additional messages.
The period is set to 100ms as default value but can be changed by command 77h.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
71h
Periodic state transmission
message
Byte 3
XXh
XX:
00h Disabled (default)
01h Enabled
Byte 4,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
To Keypad
18EF2100h
Ext
04 1B 71 01 FF FF
FF FF
Enable periodic state
transmission.
16. Event state transmission (72h)
This message enables or disables event driven key state transmissions. When this feature
is enabled, the keypad transmits the state of a contact at the time that the contact changes
state (pressed or released).
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
72h
Event state transmission
Byte 3
XXh
XX:
00h Disabled
01h Enabled (default)
Byte 4,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
To Keypad
18EF2100h
Ext
04 1B 72 00 FF FF FF
FF
Disable event state
transmission

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17. LED Acknowledgment (73h)
This message enables or disables the transmission of the LED Acknowledgement message.
When this feature is enabled the keypad transmits an acknowledgement message each time
a LED Command is received.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
73h
LED Acknowledgement
Byte 3
XXh
XX:
00h Disabled (default)
01h Enabled
Byte 4,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
To Keypad
18EF2100h
Ext
04 1B 73 01 FF FF FF FF
Enable LED
acknowledgment
To Keypad
18EF2100h
Ext
04 1B 01 01 04 FF FF
FF
LED Command
From Keypad
18EFFF21h
Ext
00 FF 01 04 FF FF FF FF
LED Ack message
LED Acknowledgment message:
Byte 0
00h
Byte 2
XXh
XX: LED number
Byte 3
YYh
YY: LED state
Byte 1,4,5,6,7
FFh
Not used
18. Address Claim at boot (74h)
This message enables or disables the address claim procedure.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
74h
Address claim at boot
Byte 3
XXh
XX:
00h Disabled (default)
01h Enabled
Byte 4,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
To Keypad
18EF2100h
Ext
04 1B 74 01 FF FF FF FF
Enable Address
Claim

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Address claiming procedure:
Under normal operation, the keypad application sends an Address Claim parameter group at
start up and waits up to 250ms for the other devices connected to the same network to send
a message containing the device’s address and name. The keypad checks every response and
compares the names to see who has the highest priority. If a device is already using the address
and has a higher priority, then a new address is selected and the process starts over. If the
keypad has a higher priority than the device in use then it waits for other systems to reply, while
the responding device will have to change its address and send an address claim itself. If no
message is received after the time (250ms) is up, then the device has claimed the address.
Address claim parameter group:
Priority = 6.
Destination Address should always be the Global Address FFh
Parameter Group Number (PGN) = 60928(EE00h).
Data Length = 8
Data = NAME field
Example:
Direction
Identifier
Format
Message
Data
From Keypad
18EEFF21h
Ext
3F 42 6F 1A 00 82 3C C0

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19. Heartbeat (75h)
This message enables or disables the transmission of Heartbeat message. This
message is designed to indicate to other devices on the bus that this unit continues
to function.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
75h
Heartbeat
Byte 3
XXh
XX:
00h Disabled (default)
01h Enabled
Byte 4
YYh
YY: Period in milliseconds ÷ 10
From 05h (50ms) to FEh (2.54 sec)
Byte 5,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
To
Keypad
18EF2100h
Ext
04 1B 75 01 32
FF FF FF
Set heartbeat
enabled with 500ms
period.
Heartbeat generated message:
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
F9h
Heartbeat message
Byte 3
XXh
XX: Message counter, incremented each
message sent
Byte 4
K8 K7 K6 K5 K4 K3 K2
K1
Button state indicators
Each bit represents a button state
0: OFF
1: ON
Byte 5
00 00 00 00 00 00 00
00
Byte 6,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
From
Keypad
18EFFF21h
Ext
04 1B F9 03 02 00
FF 21
Heartbeat
message with
button 2 pressed.
From
Keypad
18EFFF21h
Ext
04 1B F9 03 80 00
FF 21
Heartbeat
message with
button 8 pressed

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20. Periodic Key message period (77h)
This message sets the period time for the Key state messages (71h). This does not
enable or disable the messages.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
77h
Periodic key message period
Byte 3
XXh
XX: Period in milliseconds ÷ 10
From 05h (50ms) to FEh (2.54 sec)
Byte 4,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
To
Keypad
18EF2100h
Ext
04 1B 77 0A FF FF
FF FF
Period set to 100ms
21. Start Demo mode(7Ah)
This message enables the Demo mode function. Demo mode is a special feature that
consists in different LED states for each button pressing. Refer to the appendix “Demo
mode instructions” to try these special features. Disconnect and reconnect the keypad
after the enable message to enter this mode. To exit the Demo mode, send the Disable
Demo mode command or another command message.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
7Ah
Demo mode
Byte 3
XXh
XX:
00h Disabled (Default)
01h Enabled
Byte 4,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
To
Keypad
18EF2100h
Ext
04 1B 7A 01 FF FF FF
FF
Demo mode
enabled
22. Set backlight level at startup (7Bh)
This message sets the value of the backlight at keypad power up. The value can be set
from 0 to 3Fh for 0 to 100% of the brightness range.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
7Bh
Set backlight at startup
Byte 3
XXh
XX: Value
From 00h (0%) to 3Fh (100%)
Byte 4,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
To
Keypad
18EF2100h
Ext
04 1B 7B 06 FF FF
FF FF
Backlight at startup
12,5%

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23. LED dim at startup (7Ch)
This message sets the value of the indicator LED brightness at keypad power up. The value
can be set from 0 to 3Fh from a minimum value to 100% of the LED dimming range.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
7Ch
LED dim at startup
Byte 3
XXh
XX: Value
From 00h (min) to 3Fh
(100%)
Byte 4,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
To
Keypad
18EF2100h
Ext
04 1B 7C 2D FF FF
FF FF
LED dim set to 75%
24. Set backlight color (7Dh)
This message sets the color of the backlight.
Byte 0
04h
Header bytes
Byte 1
1Bh
Byte 2
7Dh
Set backlight color
Byte 3
XXh
XX: color
01: red
02: green
03: blue
04: yellow
05: cyan
06: magenta
07h: white/light blue
08h: amber/orange
09h: yellow/green
Byte 4,7
FFh
Not used
Example:
Direction
Identifier
Format
Message
Data
To
Keypad
18EF2100h
Ext
04 1B 7D 07 FF FF
FF FF
Set backlight color to
white/light blue
25. Set CAN protocol
This set of messages are used to change to the desired CANbus protocol.
• Change from J1939 to CANopen:
Direction
Identifier
Format
Message
Data
To
Keypad
18EF2100h
Ext
04 1B 80 00 FF FF
FF FF
Change to CANopen
• Change from CANopen to J1939:
Direction
Identifier
Format
Message
Data
To
Keypad
615h
Std
2B FF 20 01 01
Change to J1939

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Via Montefeltro, 6 – 20156 Milano (MI) – Italy - 16 -
Tel. [phone] – Fax [phone]
www.blinkmarine.com – [e-mail] PKP-2400-LI_J1939_UM_REV1.0
APPENDIX: DEMO Mode instructions
In DEMO Mode you can try the following functions by pressing buttons on the PKP2400LI.
Entering this mode, you turn on backlight red; for the key 1 each time you press the button you can
change the color of backlight with this sequence:
1. Red;
2. Green;
3. Blue;
4. Yellow;
5. Cyan;
6. Magenta;
7. White/light blue;
8. Amber;
9. Yellow/green;
10. OFF.
Pressing key 2, you can increase LED and backlight brightness.
Pressing key 3, you can decrease LED and backlight brightness.
For the key 4, each time that you press the button, there are different steps in this sequence:
1. Complete LED show of all colors;
2. Backlight active with keys on in sequence (it is possible to change the color of LED keys by
pressing button 1);
3. Alternate blinking of LED keys number 1 red color; 2 with amber color; 3 with yellow; 4 with
green color; 5 with magenta color; 7 with blue color and 6-8 with white/light blue color.
In the case you press the other keys there are no events.
26. Revision history
Date
Manual
Revision
Comment
Related SW
version
10/01/2019
1.0
First release PKP2400LI J1939
manual
SWx.x
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