8
COM462RTU_D00010_04_M_XXDE / 06.2021
Product description
2
Product description
2.1
Intended use
The BMS-Modbus RTU gateway COM462RTU connects the serial Bender BMS bus to the serial
Modbus RTU. The gateway converts alarms, measured values and statuses from the BMS bus to
Modbus RTU. Control commands can be converted from Modbus RTU to BMS bus.
This allows connection to Modbus networks. The gateway is operated on the
internal
BMS bus.
2.2
Address setting and termination
In order to ensure proper functioning of the BMS-Modbus RTU gateway COM462RTU, correct
address assignment and termination of the BMS bus and the Modbus RTU is of utmost
importance.
I
C
aution
!
Assigning addresses that are already used by existing devices in the BMS or Modbus
RTU networks concerned may cause serious malfunctions.
Ensure correct address setting and termination of the COM462RTU. For details refer to
„Inbetriebnahme“ auf Seite 22.
Interface on the Modbus RTU side
i
The COM462RTU is always operated as slave on the Modbus RTU side. Therefore, the
COM462RTU and its Modbus RTU has to be communicated to the Modbus RTU master.
Interface on the BMS side
COM462RTU can be operated as master or slave.
2.3
Scope of delivery
You will receive:
• the COM462RTU
• an operating manual
2.4
Short description
The BMS-Modbus RTU gateway COM462RTU contains a Modbus RTU slave that converts BMS data
for a Modbus master.
A setting menu makes it possible to configure the COM462RTU using the setting menu (see
„Commissioning“ auf Seite 13).
