HEIDENHAIN MANUALPLUS 620 - Page 291

January 2012 3.28 Handwheel Input 291
X23: Connection to
MB 620 / MB 620T
Pin layout on the HRA 110:
X31: HRA 110
supply voltage
Pin layout on the HRA 110:
Maximum current consumption 200 mA.
HR 180 panel-
mounted
handwheel
The HEIDENHAIN HR 180 panel-mounted handwheels supply 1 V
PP
sig-
nals. They are connected with the connecting cable ID 310 199-xx to the posi-
tion inputs X201..X20x of the CC61xx or UEC11x (see "Position encoder input"
on page 243).
HRA 110
D-sub connector (female) 9-pin Assignment
1RTS
20 V
3CTS
4 +12 V +0.6 V (U
V
)
5 Do not assign
6DSR
7RxD
8TxD
9DTR
Housing External shield
Warning
The power supply of the PLC must not be used simultaneously for the
HRA 110, otherwise the metallic isolation of the PLC inputs/outputs would
be bridged.
HRA 110
Connecting terminal Assignment
1 +24 V– as per IEC 742 (VDE 551)
20 V