Stulz C7000 - EBUS-extension board for RS485 bus

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Port 2
Port 3
EN/06.2019/G57 © STULZ GmbH – all rights reserved
C7000 INSTRUCTIONS fOR a/C UNITS
10.4 EBUS-extension board for RS485 bus
Board design
Assignment - EBUS
Technical Data:
Power consumption: 11,3 VA
Operating temperature: 5°C...40°C
Storage temperature: -30°C...60°C
Note:
Remove jumper 8 on the IOC board to use the EBUS port 2.
Remove jumper 9 on the IOC board to use the EBUS port 3.
Setting at the end of the bus
for port 2: (example)
Bias: high
Bus termination: on
Setting in the middle of the bus
for port 3: (example)
Bias: low
Bus termination: off
Switches to adjust the
bias and the
Bus termination
Pin Designation Function
1 Port 2H
RS485 BMS bus
2 Port 2L
3 Port 3H
RS485 component bus
4 Port 3L
X10 SUBD 15 to X14 on IO controller