July 02
Mounting and Electrical Installation
TNC 370 D
3–17
3.7.7 Switching Inputs 24 Vdc for the PLC
Voltage ranges:
Logic unit
PL 410 B/PL 405 B
“1” signal: U
i
13 V to 30.2 V
“0” signal: U
i
–20 V to 3.2 V
Current ranges:
“1” signal: I
i
3.8 mA to 8.9 mA
2.5 mA to 6 mA
“0” signal: I
i
when U
i
= 3.2 V
1.0 mA
0.65 mA
Address
No. of inputs
Device
I0 to I31
31 + control-is-ready signal
Logic unit X42 (PLC input)
I128 to I152
25
Logic unit X46 (machine operating panel)
I64 to I127
64
First PLC input/output board PL 410 B
I92 to I255
64
Second PLC input/output board PL 410 B
I64 to I95
32
PL 405 B
Содержание TNC 370 D
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