Troubleshooting
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7
Troubleshooting
This section lists some common problems and suggestions how to solve them.
If none of the suggested actions solves the problem, please contact Anybus support.
7.1
Hardware Errors
Gateway is not responding
After powering on the gateway it does not operate. Current consumption is ~0 mA and both
Ethernet LEDs are unlit.
1.
Check that the power supply is connected with the correct polarity.
Fig. 16
Power supply voltage
2.
Check that the voltage between
24VDC
and
GND
is ~24 VDC.
Current consumption exceeds 500 mA
Fig. 17
M-Bus voltage
1.
Check that the voltage between
MBUS+
and
MBUS-
is ~36 VDC.
2.
Disconnect the gateway from the M-Bus.
3.
Measure the voltage over the M-Bus terminals again.
4.
Check if current consumption is back to normal.
24VDC
GND
MBUS+
MBUS-
MBUS+
MBUS-
24 V
24VDC
GND
MBUS+
MBUS-
MBUS+
MBUS-
36 V
M-Bus to Modbus-TCP Gateway User Manual
SCM-1202-0096-EN 2.1
