3.5
IO pin out
12 PIN connector
Pin nr
Pin
Wire color
Description
1
10-32 V
Red
Power supply 12/24 V (range: 10-32 V)
2
Chassis
Black
Ground connection
3
DIN1
Pink
Digital input, threshold 4 V
4
AIN1
Gray
Analogue input (range: 0-30 V)
5
DIN2
Blue
Digital input, threshold 4 V
6
AIN2
Green
Analogue input (range: 0-30 V)
7
DIN3
White
Digital input, threshold 4 V
8
DOUT1
Purple
Digital output open collector up to 32 V, 1 A
9
DIN4
Yellow
Digital input, threshold 4 V
10
DOUT2
Orange
Digital output open collector up to 32 V, 1 A
11
CAN2 L
Blue/red
J1939 CAN interface low connection
12
CAN2 H
White/red
J1939 CAN interface high connection
14 PIN connector
Pin nr Pin
Wire color
Description
1
PortB-232 RX
Yellow
RS 232 port B receive signal
2
Chassis
Black
Ground connection
3
PortB-232 TX
Orange
RS 232 port B transit signal
4
1W. +5V
Red
1-wire power 5 V, 200 mA
5
PortA-232 RX
Purple
RS 232 port A receive signal
6
1W. Data
Green/yellow
1-wire data channel
7
PortA-232 TX
Pink
RS 232 port A transit signal
8
CAN1 H
White
J1939 CAN interface high connection
9
L-Line
Green
J1939 CAN interface L line channel, diagnostics
10
CAN1 L
Blue
J1939 CAN interface low connection
11
K-Line
Brown
J1939 CAN interface K line channel, diagnostics
12
Chassis
Black
Ground connection
13
PortC-485 A
White/red
RS 485 differential signaling line A
14
PortC-485 B
Yellow/brown
RS 485 differential signaling line B
Note
Only one CAN line work at the same time. Connect your hardware to one of the interfaces and configure it
accordingly.
Summary of Contents for FM-Pro 4 BT
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