Main Contactor And Safety Relay - HEIDENHAIN TNC 410 M Technical Manual

Maximum current
for X392/X393

5.5.4 Main Contactor and Safety Relay

X70: Main
contactor
X71: Safety relay
for spindle
X72: Safety relay
for axes
April 2007
Connecting the UE 2xxB and UR 2xx(D) Compact Inverters
Maximum current I
max
Compact Inverters
UE 210B, UE 240B, UR 240
UE 211B
UE 212B, UE 242B, UR 242
UE 230B, UR 230
For information on the wiring and function, see the Basic Circuit Diagram for
your control.
Connecting terminals
X70 to X72
1
2
3
4
5
a
6
a
7
a. Max. 125 V
Warning
A recovery diode is required in the proximity of inductive loads, e.g. relay or
contactor coils.
for controlling the holding brakes via X392:
I (X392)
max
3.0 A
2.0 A
2.0 A
3.0 A
Assignment
+24 V output (max. 250 mA)
0 V
+24 V input for U
Spindle ON
Do not assign
Do not assign
Normally closed contact (OE1, OE1A or OE1S)
Normally closed contact (OE2, OE2A or OE2S)
I (X393)
max
1.5 A
2.0 A
1.5 A
2.0 A
ON, Axis ON,
Z
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