HEIDENHAIN iTNC 530 Service Manual page 506

Pin layout on the HRA 110:
X23:
Connection to
MC 42x (B/C)
HRA 110
D-sub connection (female) 9-pin
1
2
3
4
5
6
7
8
9
Housing
Pin layout on the HRA 110:
X31:
HRA 110 supply
voltage
HRA 110
Connecting terminal
1
2
Maximum current consumption 200 mA.
27 – 506
Caution
The power supply of the PLC must not be used simultaneously for the HRA110, otherwise
the metallic isolation of the PLC inputs/outputs would be bridged.
Pin layout
+ 24 Vdc as per IEC 742 (VDE 551)
0 V
Pin layout
RTS
0 V
CTS
+12 V +0.6 V (U )
V
Do not assign
DSR
RxD
TxD
DTR
External shield
HEIDENHAIN Service Manual iTNC 530