![background image](http://html1.mh-extra.com/html/ifm/ecomat-300-as-i-series/ecomat-300-as-i-series_basic-device-manual_3950763089.webp)
ifm
Basic Device Manual AS-i ControllerE M4 Target V15
2015-10-30
Electrical connection
Terminals on the controllere
89
7.1
Terminals on the controllere
Connection
Description
+24V / 0V
Supply voltage 24 V DC (20...30 V PELV), e.g. from the power supply D2011 of
ifm
electronic
This supply must not be grounded!
Power consumption: up to 500 mA depending on the device version
FE
Functional earth of the device
ASI1+
Bus cable AS-i master 1, positive pole (brown)
ASI1-
Bus cable AS-i master 1, negative pole (blue)
ASI2+
Bus cable AS-i master 2 (option), positive pole (brown)
ASI2-
Bus cable AS-i master 2 (option), negative pole (blue)
RS-232C
Serial programming interface
Further terminals for fieldbus and / or Ethernet programming interface are optional and described in
separate manuals
The device is correctly connected to the functioning power supplies if the LED [24 V PWR] is lit after
power on of the controllere.