X3 Signaling Contact - Siemens SINAMICS S120 System Manual

Voltage Protection Module (VPM)
5.3 Interfaces
5.3.2

X3 signaling contact

Signaling interface X3 on the Voltage Protection Module is wired to a digital input (DI) on the
Control Unit, which controls this spindle. If an armature short-circuit occurs, the pulses of the
axis involved must remain inhibited. To do this, the connected digital input is interconnected
to control bit OFF2 (pulse inhibit) (see SINAMICS S120/S150 List Manual). The signaling
interface is operated with +24 V.
Table 5- 3 X3 signaling contact
Terminal Designation
1 Operating message for Control Unit
2 Operating voltage +24 V (from external
source)
Type: WAGO spring-loaded terminal, type 226-111
Max. connectable cross-section: 1.5 mm
shielded cable
Cable entry: ∅ max. 9 mm
Screwed joint: 1 x M16, e.g. from the Pflitsch company, article designation: UNI DICHT EMV 2165211S05
•
Locknut M16: GM216PA
•
Operating message via signaling contact X3
After the VPM trips or a temperature sensor responds, signaling contact X3 opens and
interrupts the inverter pulse enable.
The X3 signal contact automatically closes after t > 120 s, or after the temperature switch
has been reset.
Figure 5-3
Danger to life when the drive automatically starts up in an uncontrolled fashion
An uncontrolled automatic start of the drive can result in death or severe injury.
• Take measures to prevent the drive starting automatically in an uncontrolled fashion, as
78
2
Signaling contact X3 of the Voltage Protection Module
WARNING
signal contact X3 restores the pulse enable after 2 minutes.
Technical data
Cable shield and VPM housing are connected via a cable.
•
Isolated contact,
•
current carrying capacity: 30 V DC at 0.1 A
System Manual, (SH2), 04/2015, 6SL3097-4AH10-0BP3
High Frequency Drive