KAESER SIGMA CONTROL 2 Service Manual

LED Colour State Meaning
DS off Module without voltage/deactivated
Green illuminates continuously Module in operation
Red illuminates continuously Error
flashes 1:1 (on:off) Configuration fault
flashes 2:1 (on:off) Module in operation, internal diagnosis availa‐
ble
Tab. 89 Modbus communications module – Interpretation of LEDs
9.8.3 Displays at the Modbus TCP module
The communication module features LEDs providing information about the module status.
Fig. 38 Modbus TCP communication module – LEDs and interface
1 Communications module
2 LED NS: Network status
3 LED MS: Module status
4 Modbus TCP Port 1
5 Modbus TCP Port 2
6 LED connection status Port 1
7 LED connection status Port 2
LED Colour State Meaning
2 NS off Module without voltage or IP address not available
Green illuminates continuously Module in operation, active or idle
flashes Module waits for connection
Red illuminates continuously Duplicate IP address or internal fault
flashes Monitoring time exceeded (time-out)
3 MS off Module without voltage
Green illuminates continuously Module in operation
Red illuminates continuously Internal fault, module in "EXCEPTION" status
flashes Fault in diagnostic object or IP address conflict
9 Operation
9.8 Communication modules
No.: 901700 10 E
Service Manual Controller
SIGMA CONTROL 2 BLOWER ≥ 2.5.3
145

KAESER SIGMA CONTROL 2 Specifications

General

Controller Type	Microprocessor-based
Model	SIGMA CONTROL 2
Manufacturer	KAESER
Input Voltage	24 V DC
Protection Class	IP54
Communication Protocols	Modbus, Profibus
Data Logging	Comprehensive data logging
Remote Monitoring	Yes
Communication Interface	Ethernet