4 Product description
18 5831400/02 EN
Depending on the device version, you can use the following interfaces for
transmitting measured values:
▪ Type TT: Passive 4...20mA analog output
▪ Type TTM (24VDC power supply necessary):
– Active 4...20mA analog output
– RS485 interface for Modbus RTU
In addition, the contacts of the micro-switches switch when threshold values
are exceeded.
Figure1: Example temperature measurement and temperature display
1 Transformer 2 Pointer thermometer for winding
temperature (or oil temperature)
3 Digital display / analog display 4 Transformer cooling system con-
trol
5 SCADA