January 2012 3.13 Power Supply for Control-Is-Ready Signal 217
3.12 Meaning of the LED on PLB 6xxx
3.13 Power Supply for Control-Is-Ready Signal
X9: Power supply
for control-is-ready
signal
The control-is-ready signal output is powered by 24 V– provided by the
UE 2xxB inverter or the UV 1xx power supply unit. The voltage is connected
with terminal X9 of the PLB 620x.
Pin layout:
Power consumption via X9, +24 V PLC: max. 120 W (depending on the con-
nection of PLC outputs to X9)
PLB 6xxx LED LED status Meaning
PL green
(right)
Off
On
Slow blinking
PL not ready
PL ready
PL initialization
PL yellow
(left)
Off
Fast blinking
Blinking twice
No error
Error with SS1F reaction is present
Error with SS2 reaction is present
HSCI green
(right)
Off
On
PL not ready for HSCI communication
PL ready for HSCI communication
HSCI yellow
(left)
Off
Fast blinking
Blinking twice
No HSCI communication error
No HSCI communication
Error in HSCI communication
Channel A/Channel B refers to the safety channels A and B of the PLB 6xxxFS
X502
X500
X2
X3
PL
PL
HSCI
HSCI
Channel A
Channel B
Connecting terminal
X8
Assignment Connection when using a
HEIDENHAIN inverter
1a +24 V X72/1
2b 0 V X72/2
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