Checking The Evaluation Unit For External Temperature Sensors - Siemens SINAMICS PERFECT HARMONY GH180 Reference Manual

Tests
3.2 Function test
Result
The test is passed if the corresponding digital inputs and outputs can be correctly switched.
3.2.13

Checking the evaluation unit for external temperature sensors

Fundamentals
The evaluation unit for external temperature sensors is checked.
Option Description
L81 2 x 2 thermistor protection relay
L82 3 x 2 thermistor protection relay
L91 2 x Pt100 evaluation units each with 3 inputs
L93 Pt100 evaluation unit with 6 inputs and 2 analog outputs
L95 Pt100 evaluation unit with 6 inputs for explosion-protected motors and 6 analog outputs
Test procedure
1. The drive is switched on.
2. The signal cable for "Alarm" is interrupted.
3. The signal cable for "Fault" is interrupted.
Result
The test is passed if the appropriate messages are displayed on the test station computer.
SINAMICS PERFECT HARMONY GH180 6SR41 F03 F04 F06 F14 F28 F48 F68 F72 F79 G21 K20 K21 K29 L29 L50 L55 L81 L82 L95 M61
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The drive remains switched on. The following message is displayed on the test station
computer.
"Motor Protect Relay Warn" (= motor overtemperature)
The drive is shut down. The following message is displayed on the test station computer.
"Motor Protect Relay Trip" (= motor overtemperature fault)
N30 N35 N44 N75 M08 U10 Y15
Reference Manual Rev.201902141441 GH180