1
3
5
2
4
Physical Layer (PHL) for ALE, NAE, DDE, DME and HDE Control
Units
- JBC control units can be connected to a PLC by a RJ12 direct cable (ref. 0019751) and DB9-
RJ12 Adapter (ref. 0015383).
- Serial communication type is RS-232, configured as 19200 bps, eight (8) data bits, no (N) parity
bit and one (1) stop bit (19200-8N1).
Front view
Control Box connector
Pin distribution
Pin
Color
Description
1
Brown
Not used
2
White
Serial input: RS232 RX
3
Blue
Common reference:
GND for RS232 and pedal
4
Black
Switch input: 0V or 24V to start feeding.
Leave it open to stop.
5
Grey
Serial output: RS232 TX
Communications Connector
Switch input activates the Control Box, using a relay or transistor digital output. Digital output from
the PLC to the switch input can be PNP or NPN style, as well as a relay contact.
Transmitted data output - Grey cable
Pedal activation by
relay or digital output
Ground - Blue cable
Brown cable
Black cable
Received data input - White cable
DB9
Connector
5
4
9
8
7
6
3
2
1
Communications Cable
Ref. 0020261
Optional:
4