X21 Terminals: Smart Line Module - Siemens SINAMICS S120 Equipment Manual

Smart Line Modules (5 kW and 10 kW) with cold plate
6.3 Interface description
6.3.4

X21 terminals: smart line module

Table 6-2 Terminal block X21
Terminal
1
2
3
4
Max. connectable cross-section: 1.5 mm
Type: Screw terminal 1 (see Spring-Loaded Terminals/Screw Terminals)
Note
For operation, 24 V DC must be connected to terminal 3 and ground to terminal 4. When
removed, pulse inhibit is activated, feedback is deactivated and the bypass relay drops out.
If the Line Module is not disconnected from the network when the EP terminal is deactivated
(e.g. a main contactor is not installed), the DC link remains charged.
Notice
If a drive line-up is switched off by means of the line disconnecting device, the voltage at
terminals 3 (EP +24 V) and 4 (EP M) must be interrupted beforehand. This can be carried
out using a leading breaking auxiliary contact (≥ 10 ms), for example.
6-6
Name
DO: Ready
DO: Pre Warning
DI: Enable pulses
DI: Enable pulses ground
2
Technical specifications
Checkback: Smart Line Module ready
The signal switches to high level when the following
conditions have been met:
Electronics power supply (X24) OK
•
DC link is pre-charged
•
Pulses enabled (X21.3/.4)
•
No overtemperature
•
No overcurrent switch-off
•
Prewarning threshold overtemperature / I x t
When 80% of the maximum temperature of the Smart Line
Module is exceeded, a high signal is output.
Voltage 24 V DC
Current consumption: 10 mA
Isolated input
Equipment Manual Booksize Cold-Plate Power Sections
Manual, (GH4), Edition 06.2005, 6SL3097-2AJ00-0BP2