X1 Line Connection; X21 Signaling Contact - Siemens SINAMICS S120 System Manual

9.3.2

X1 line connection

Table 9-1
9.3.3

X21 signaling contact

Table 9-2
Type: Screw terminal 1_1 (Page 177)
Max. cross-section that can be connected 1.5 mm
The 2-pole terminal connector for the signaling contact is included in the Completion Kit provided.
The signaling contact can be connected with a digital input (DI) on the Control Unit or other
digital interface (PLC, SCADA). In parallel or redundant operation the failure of a Control Supply
Module is indicated in order to initiate a service call, for example.
The signaling contact operates as an isolated NO contact. The contact is closed ("OK") if the
Control Supply Module is operating without fault. For a module output voltage that deviates
High Frequency Drive
System Manual, 10/2020, 6SL3097-5AH10-0BP0
X1 line connection
Terminal
L1
L2
L3
Protective conduc‐
tor connection
X21 signaling contact
Terminal
1
2
Technical specifications
Supply voltage:
3 AC 380 V ... 480 V, 50 / 60 Hz
Type: Screw terminal 4 (Page 177)
Screw M5 / 3 Nm (26.6 lbf in) on enclosure
Technical data
Voltage: 24 V DC
Maximum load current: 0.5 A (ohmic load)
(AWG 16)
2
Control Supply Module (CSM)
9.3 Interface description
135