3.6.3 Isolation amplifiers for optional analog outputs (option E87)
This option provides two isolation amplifiers if an additional TM31 Terminal Module is provided
as an extension of the customer interface and the TM31 analog inputs are to be used with a
higher-level control level for communication purposes. Multifunction interface converters with
the following adjustment range are used:
● 0 V to 10 V
● 0 mA to 20 mA
● 4 mA to 20 mA
The range must be set on the isolating transformer.
3.6.4 Additional Terminal Module TM31 (option G61)
One TM31 and two TM15 Terminal Modules are already part of each standard variant of the
drive. The Terminal Modules are used for the following functions:
● Inclusion of warning and fault messages and control signals
● Communication with a higher-level control level.
If the number of signals to be monitored is insufficient, the interface can be extended to include
an additional Terminal Module. Additional digital inputs and outputs and two analog inputs and
outputs are available with the TM31. The inputs and outputs are used, for example, for fetching
temperatures.
The TM31 Terminal Module provides the following inputs and outputs:
● 8 digital inputs
● 4 bidirectional digital inputs and outputs
● 2 relay outputs with changeover contact
● 2 analog inputs
● 2 analog outputs
● 1 temperature sensor input (KTY84-130/PTC)
Note
The second TM31 must be connected at the plant site.
The default setting of the inputs/outputs is not provided by the factory and must be
undertaken according to the requirements of the respective plant during commissioning.
When the analog inputs and outputs on the optional TM31 are used for communicating with
the control level, additional isolating transformers are available (optional).
Description
3.6 Description of options
SINAMICS SM150 6SL3845-7NN46-7AA0
Operating Instructions 04/2017 53
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