HEIDENHAIN iTNC 530 Service Manual page 165

X51 to X64:
PWM-output
Ribbon cable connector 20-pin
1a
1b
2a
2b
3a
3b
4a
4b
5a
5b
6a
6b
7a
7b
8a
8b
9a
9b
10a
10b
May 2006
Note
The interface complies with the requirements of EN 50 178 for "low voltage electrical
separation."
Assignment
PWM U1
0 V U1
PWM U2
0 V U2
PWM U3
0 V U3
SH2
0 V ( SH2)
SH1
0 V (SH1)
+Iactl !
–Iactl 1
0 V (analog)
+IACT 2
–Iactl 2
0 V (analog)
BRK
Do not assign
ERR
RDY
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