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1
3
5
2
4
Transmitted data - Grey cable
Optional:
Pedal activation by
relay or digital output
Ground - Blue cable
Brown cable
Black cable
Received data - White cable
DB9
Connector
5
4
9
8
7
6
3
2
1
Connection
- The SFR unit can be connected to a PLC by a five-pin Communications Cable (Ref. 0020261).
- Connect the cables to the corresponding pins to match your PLC connection. To comunicate with
a computer use a DB9 female connector.
- Download the Communication Protocol at
www.jbctools.com
Communications Cable
Ref. 0020261
For detailed information about pin distribution see following table:
Front view
SFR Communications Connector
Pin Distribution
Pin
Color
Description
1
Brown
Power supply input:
24Vdc (±5%). 1.5 A current required
2
White
Serial input: RS232 RX
3
Blue
Common reference:
GND for RS232 and witch
4
Black
Switch input: 0V or 24V to start feeding.
Leave it open to stop
5
Grey
Serial output: RS232 TX
V+ 24 Vdc
V- 1.5 A
4