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3.15 Switching Outputs 24 Vdc (PLC)
Output signals and
addresses
3 – 78
The switching outputs are transistor outputs with current limitation.
Please note:
n
Permissible load: Resistive load – inductive load only with quenching diode
parallel to inductance
n
Short circuiting of one output is permissible. No more than one output
may be short-circuited at one time.
n
No more than half the PLC outputs may be driven at the same time
(simultaneity factor 0.5)
Output signals:
Logic unit
Min. output voltage
3 V below supply voltage
for "1" signal
Nominal operating
0.125 A (simultaneity
current per output
factor 0.5)
Note
The switching outputs need a minimum load of 5 mA.
They conform to EN 61131-2.
Addresses:
Address
Number
O0 to O30
31
O0 to O7
8
O32 to O62
31
O64 to O94
31
O128 to O158
31
O160 to O190
31
Device
Logic unit X41 (PLC output)
Logic unit X46 (machine operating panel)
First PLC input/output unit
Second PLC input/output unit
Third PLC input/output unit
Fourth PLC input/output unit
HEIDENHAIN Technical Manual TNC 426, TNC 430
PL 4xxB
2.0 A (at max. PL current
consumption of 20 A)
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