Sharp JW-20RS User Manual Page 45

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8·7
8
(4) Voltage interruption time of slave module
The voltage interruption operation of slave module is carried out for service interruption signal (PF
signal) of power supply module, watchdog timer of slave module, and check 5 V power regardless of
setting voltage interruption time (#246) of master module.
· The PF signal of the power supply module goes “OFF” below
85% of the rated voltage.
· The watchdog timer of the slave module goes time-up in “320
ms.”
· When output hold switch is “RST,” the all halt output and output
module become “OFF” when communication with master station
have interruption of 320 ms.
· When the check of 5 V power is gone below 4.5 V, all are forced to reset. The power supply characteristics
varies according to the consumption current of the power supply module as following diagrams.
RST
Start
PF signal OFF
Communicating
at remote I/O
I/O processing of I/O module
Output hold
switch
Watchdog timer
time-up
5V power 4.5V max.
Halt output “open”
All output module “OFF”
End
Yes
Yes
Yes
Yes
No
No
No
No
No
7654321
40
80
120
100
80
60
40
20
0
85V/170V
20V 24V 28V 32V
100V/200V 120V/240V 132V/264V
120
160
200
240
280
0
Output hold time
Hold time [ms]
5.1V,7A load
(ZW-1PU)
5.1V,5A load
(ZW-2PU)
Output hold time
Hold time [ms]
100 VAC 50H input
(ZW-1PU)
24 VDC input
(ZW-2PU)
AC input voltage
DC input voltage
Load current [A]
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