Deif PPM 300 - Processor and Communication Module PCM3.1; PCM3.1 Terminal Overview

12/24 V DC
0 V DC
Relay
A1
A2
INFO
Use a diode size as recommended by the relay supplier.
The terminal connections can be switched around without affecting the performance.
12/24 V DC
0 V DC
Relay
A1
A2
INFO
Remember to install the freewheeling diode ( ). This diode prevents a sudden voltage spike across the inductive
load when the voltage source is removed.
6.9 Processor and communication module PCM3.1
6.9.1 PCM3.1 terminal overview
Terminal
Symbol Type Name
1 H CAN high
CAN bus A (for future use)
2 CAN-A CAN signal ground
3 L CAN low
INSTALLATION INSTRUCTIONS 4189340909I UK Page 104 of 144