July 2010 11 – 147
11.6 Specifications
11.6.1 PLC inputs
Input signals of the switching inputs on the MC 42x(B/C), PL 4xxB, and PLD 16-8:
Addresses of the switching inputs:
Which PLC input is located on which pin of the connector?
--> See “Connector Designation and Layout” on page 27 – 447!
Voltage range MC 42x (B/C), PL 4xxB PLD 16-8
“1” signal: U
i
13 V to 30.2 V 13 V to 28.8 V
“0” signal: U
i
–20 V to 3.2 V –3 V to 2.5 V
Current ranges MC 42x (B/C) PL 4xx B PLD 16-8
“1” signal: I
i
3.8 mA to 8.9 mA 2.5 mA to 6 mA 2.5 mA to 5.8 mA
“0” signal: I
i
when U
i
=3.2 V 1.0 mA 0.65 mA 0.3 mA
Address Quantity Device
I0 to I31 31
+
Acknowledgment
control-is-ready
signal
PLC inputs directly on the MC, connector X42
I64 to I127
I64 to I95
64
32
First PL 410B, PL 510 (PLD 16-8)
First PL 405 B
I128 to I152 25 Machine operating panel (MC, connector X46)
I160 to I175 16 Handwheels HR 410,
HR 332 and handwheel adapter HRA 110 (MC, X23)
I192 to I255
I192 to I223
64
32
Second PL 410B, PL 510 (PLD 16-8)
Second PL 405 B
I256 to I319
I256 to I287
64
32
Third PL 410B, PL 510 (PLD 16-8)
Third PL 405 B
I320 to I383
I320 to I351
64
32
Fourth PL 410 B, PL 510 (PLD 16-8)
Fourth PL 405 B
If the machine manufacturer uses the basic modules PLB 511 or PLB 512, you can find the
address ranges in the circuit diagrams of the machine.
If you have any questions, contact the machine manufacturer or a HEIDENHAIN service
agency.
The transmission of input states of handwheels and PLC input/output units (expansion cards)
is performed with HEIDENHAIN serial data transmission busses on the connectors X23 and
X47.
On the X42 and X46 connectors, each input has its own wire.
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