July 2013 3.16 Digital PLC inputs/outputs 273
X9: Safety-related
PLC inputs/outputs
Pin layout of PLB 620x:
The triggering outputs at X9 each supply up to 150 mA of output current. The
only exceptions are the two outputs -STOS.A.G and -STO.A.G with max. 2 A
of output current. In the event of an overload or short circuit and as a
consequence of excessive temperature, the individual PLC outputs switch off
automatically. Then the outputs will try to switch on again cyclically. Seven
outputs and twelve inputs are available at X9 of a PLB 620x for free use.
Further PLC inputs/outputs must be realized by means of I/O modules.
Terminal
NEW signal
design.
OLD connector/signal design.
(MC 42xC)
Assignm. / Function
1a 24 V.A X34 24 V supply of the outputs
MC.RDY, O.0 to O.2
2a Do not assign – –
3a MC.RDY
a
–SH1A (safe stop)
X41.34 / O33
24 V output: (safe torque off)
Control-is-ready signal
4a O0 24 V outputs (high-side driver)
5a O1
6a O2
7a –ES.A –NE1 / X42.4 / I3
Acknowledgment: "Control is ready"
24 V input
Emergency Stop input 1
8a I0 24 V inputs (PLC)
9a I1
10a I2
11a I3
12a I4
13a I5
14a –PF.PS.AC –PF.PS.AC (signal at X69) 24 V outputs for powerfail
15a –PF.PS.DC –PF.PS.ZK (signal at X69)
1b 24 V.B X44 24 V supply of the outputs O.3 to
O.6
2b 0 V 0 V PLC for all I/Os
3b O3
a
24 V outputs (high-side driver)
4b O4
5b O5
6b O6
7b –ES.B –NE2 / X42.33 / I32
"Drive enabling"
24 V input
Emergency Stop input 2
8b I6 24 V inputs (PLC)
9b I7
10b I8
11b I9
12b I10
13b I11
14b –SP.REF X30 Rapid 24 V input for spindle REF
15b Do not assign – –
a. 2 A outputs
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