Plc inputs and outputs 17.1 specifications, Plc inputs and outputs – HEIDENHAIN TNC 306 Service Manual User Manual
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SERVICE MANUAL TNC 306/360
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HEIDENHAIN Service
17. PLC Inputs and Outputs
17.1 Specifications
17.1.1 PLC-Inputs at the Logic Unit
I 0 to I 31 and acknowledgement "Control Ready for Operation" at X22 (PLC input)
I 128 to I 151at X27 (machine tool operating panel)
- Voltage ranges:
"1"-signal: Uemin = 13 V; Uemax = 30.2 V;
"0"-signal: Uemin = - 20 V; Uemax = 3.2 V;
- Current ranges:
"1"-signal: Iemin = 3.8 mA; Iemax = 8.9 mA;
"0"-signal: Iemax = 1.0 mA; (with Ue = 3.2 V)
17.1.2 PLC Outputs at the Logic Unit
O0 to O.30 and "Control Ready for Operation" at X21 (PLC output)
O0 to O71) at X27 (machine tool operating panel)
"1"
Ua min = UB - 3 V
Ia max = 100 mA (current limit: 110 mA)
1) O0 to O7 are available at X21 and X27
17.1.3 PLC Inputs at the PL 400
I64 to I126 at X4 to X9
"0"-signal Ue = - 20 V to 4V
Ie = 1.6 mA with Ue = 4 V
"1"-signal
Ue = 16.5 V to 30 V
Ie = 6.2 mA to 12.6 mA
17.1.4 PLC Outputs at the PL 400
O32 to O62 and "Control Ready for Operation" at X1 to X3
"1"-signal
Ua min
= UB - 3 V
Ia nom
= 1.2 A