28 – 484 HEIDENHAIN Service Manual iTNC 530 HSCI
X9:
Safety-relevant PLC
inputs/outputs
Pin layout of PLB 62xx:
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.
Seven outputs and twelve inputs are available at X9 of a PLB 62xx for free use.
Further PLC inputs/outputs must be realized by means of I/O modules.
X112, X113:
Triggering
touch probe
See “X112, X113: Triggering touch probe” on page 28 – 479.
X500, X502:
HSCI interfaces
See “X500, X502: HSCI interfaces” on page 28 – 472.
Terminal NEW signal
designation
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
a. 2 A outputs
–SH1A (safe stop)
X41.34 / O33
24 V output: (safe torque off)
“Control is ready”
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 Optocoupler input,
Spindle ref.
15b –SP.REF– X30
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