334 HEIDENHAIN Technical Manual iTNC 530 HSCI
Pin layout of MB 720 FS:
Connecting
terminals
Assignment
1I0.A
2I1.A
3I2.A
4I3.A
5I0.B
6I1.B
7I2.B
8I3.B
9 Power supply for channel A (–TEST.A)
10 Power supply for channel B (–TEST.B)
Please note that the MB 720 is powered by +24 V NC.
For the entire HSCI system, the +24 V NC power supply voltage is required
to be safely separated voltage. It must also be safely separated from the
+24 V PLC!