USER MANUAL
COOLMAX SRX-R – Rack Mount
Australian Energy Research Labs
AER09-R – Rev 1.0.0
9
th
May 2023
20
AER09-R REV 1.0.0
Communications Protocols
The CoolMax SRX-R features both Controller Area Network (
CAN bus
) and ModBus RTU
(RS485)
compatible protocols
for remote monitoring and control functionality. The relevant protocol registry maps for integration are available from AERL
on request.
Both networking protocols can be accessed via the RJ45 connectors located inside the access cover.
The pin-outs for these connections are demonstrated in
Figure 12
below.
Pin
Comms Connector
4
CAN High
7
CAN Low
5
RS485 A
6
RS485 B
8
GND
Figure 12:
Comms Connector Pin-Outs