Webmanager Ports, LEDs and Buttons

Webmanager Ports

Part Name Description
(A) USB (Not used).
(B) COM1 Port RS-232 port. (Not used).
(C) Service Port RS-232 port for connecting to a PC/Laptop for readouts of the modules using specific service software.
(D) DC input Power supply port. Inside (-) minus, outside (+) plus. Always use a stabilized power source. The standard power supply delivers 12V/2A DC, if more than 300 modules are connected a 12V/3A DC power supply is used instead.
(E) LAN port Ethernet 10/100 Mbit RJ45 port with integrated LED.
  • Green: Connected to the network.
  • Yellow: Network activity.
(F) COM2 Port Mini-DIN-8 port for optional devices, sensors or networks (MODBUS, RS-232, Profibus, LONBus, etc.).
(G) Battery bus ports (COM3) for the BACS bus Two RJ10 ports for connections to modules, splitting boxes, current sensors or aux device.
(H) Alarm contact Dry contact to the common alarm signal in the webmanager.

Webmanager LEDs and Buttons

Part Name Description/Status
(I) Red status LED
  • On: Booting or a lost communication on COM1, COM2 or to one or more module on the BACS bus (battery bus/COM3)
  • Flashing slowly: Update in progress
  • Flashing fast: Update unsuccessful
(J) Green status LED
  • Flashing slowly: Operating
(K) Slide switch Slide switch to set different modes for the webmanager:
  • Left position: Operating mode. Configured IP address used, or default ( if not yet changed.
  • Middle position: Configuration mode. In this mode, after a reboot the IP address is set to default (
  • Right position: DHCP is active and IP address is set automatically.
(L) Mute button Press to confirm and mute the audible common alarm. The alarm LED changes to yellow.
(M) Alarm LED LED for the common alarm in the webmanager:
  • Green: OK
  • Yellow: Common alarm active but confirmed/muted (mute button pressed)
  • Red: Common alarm active and audible
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