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

6.4.2 Main Contactor and Safety Relay

X70: Main
contactor
X71: Safety relay
for spindle
X72: Safety relay
for axes
6 – 54
Connection:
Connection
Terminal X70
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.
Connection:
Connecting
terminals
X71 and 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.
HEIDENHAIN Technical Manual for Inverter Systems and Motors
Assignment
+24 V output (max. 250 mA)
0 V
+24 V input for U ON
Z
Do not assign
Do not assign
Normally closed contact (OE1)
Normally closed contact (OE2)
Assignment
+24 V output (max. 250 mA)
0 V
+24 V input for Axis ON, Spindle ON
Do not assign
Do not assign
Normally closed contact (OE1A or OE1S)
Normally closed contact (OE2A or OE2S)