Activity LED (ACT)
LED indicator: | Colour: | Operation mode: | Functional description: |
ACT / Activity | Green | Normal operation | LED flashes 2 times per second. |
Recovery mode | After successfully completing the firmware microcode update, the LED flashes 4 times per second. |
Error LED (ERR)
LED indicator: | Colour: | Operation mode: | Functional description: |
ERR / Error | Red | Normal operation | Extinguished - there is no error |
Firmware update mode | Lights up 2 times per second |
Ethernet connection
LED indicators: | Function: | Colour: | Functional description: |
LED | Ethernet is connected | Yellow | Yellow LED flashes when there is network activity. |
LED | 100 Mbit | Green | Green LED lights when there is a 100 Mbit connection. |
LED Status display of the integrated relays
If your web-based monitoring system is equipped with 12V switching relays and / or bistable relays (depending on the model), the switching status also signaled by LED indicator.
LED indicators: | Colour: | Functional description: |
E1, E2 | Orange | Constant lighting - relay is / are switched on No lighting - relay is / are switched off |
CAN LED
The CAN LED shows the status of CAN bus (Controller Area Network) of the remote monitoring units of the model series 100/300/400/500/600/700.
Notes:
The Monitoring System 50 is not equipped with a CAN bus port for CAN sensors and / or CAN units. Please note that the CAN bus must be activated in the web interface of your remote monitoring device! Otherwise, no CAN sensors and no CAN expansion units are detected.
LED indicator: | Colour: | Operation mode: | Functional description: |
CAN / CAN Status | Green | Normal CAN operation | Flashes slowly - no CAN sensors or CAN units connected Flashes quickly - the configuration of the CAN bus was started Lights up constantly - CAN sensors & CAN units correctly connected |
Status display of internal GSM or LTE modem
If your IP-based remote monitoring unit is equipped with an internal 3G or 4G LTE modem, the operational readiness is indicated via LED light signals.
LED indicator: | Colour: | Operation mode: | Functional description: |
Modem Status LED | Green | Lights up permanently | The 3G or 4G modem searches for a cellular network |
200ms ON, 200ms OFF | Data transfer; | ||
800ms ON, 800ms OFF | Das Modem befindet sich in einem 2G / 3G-Mobilfunknetz | ||
LED OFF | The 3G or LTE modem is switched off. |
Status display 1-wire module
On request, the IT monitoring devices can be equipped with the 1-wire module. Connect an RFID card reader for access control or several 1-wire sensors to this module.
LED Light | Colour: | Functional description: |
1-Wire module status | Green | Lights up constantly - 1-wire board activated and full functional LED does not light up - 1 module has been deactivated in the webGUI |
LED status display of RS-485 Modbus RTU module
If your remote monitoring and control unit is equipped with the Modbus module or the Modbus adapter, the status of the Modbus RS-485 connection also signaled by LED light.
LED Light: | Colour: | Functional description: |
Modbus RTU RS-485 status | Red/ Green | Red - Modbus data transmission Green - data received from Modbus device LED does not light up - Modbus RS-485 RTU module is deactivated |