1
1.1
1.2
1.3
1.3.1
1.3.2
1.4
2
2.1
2.2
2.3
2.4
2.5
3
3.1
3.2
3.3
4
4.1
4.2
4.3
4.4
4.5
4.5.1
4.5.2
4.6
4.7
4.7.1
5
5.1
5.2
5.3
5.4
5.5
Contents
Purpose of this Operating Guide
Products Covered and Identification
Applied Standards and Compliance
Responsibilities of Users of Safety-related Power Drive Systems PDS(SR)
Installation in Combination with VLT® PTC Thermistor Card MCB 112
Parameter Settings for STO Used With VLT® PTC Thermistor Card MCB 112
Automatic/Manual Restart Behavior
Restart Prevention for STO Application
Automatic Restart of STO Application
Emergency Stop of Drive with STO - Category 1, PL c, SIL1
Emergency Stop of Drive with STO Using Safety Relay - Category 3, PL d, SIL2
Emergency Stop of Drive with STO, Safety Relay, and Output Contactor - Category 4, PL e, SIL3
Emergency Stop of Multiple Drives - Category 3, PL d, SIL2
AQ313340186453en-00101/130R0544 | 3
Danfoss A/S © 2021.03
Contents
Safe Torque Off
Operating Guide