6-60 Applied Operation PLZ-4W
6.9 Monitor Signal Output
Trigger signal output
The trigger signal is used as a synchronization signal when monitoring the wave-
form of the switching operation on an oscilloscope. It is also used to synchronize
with the external equipment during sequence execution.
The trigger signal is output from the TRIG OUT connector on the PLZ-4W front
panel.
• The trigger signal output voltage is 4.5 V. The pulse width is 2 μs or more, and the
output impedance is approximately 500 Ω.
• The TRIG OUT connector is connected to the chassis electric potential. It is iso-
lated from A COM.
The trigger signal output is generated
under the following conditions.
• During switching operation
• When a step that has trigger output
specified is executed during sequence
operation.
Current monitor output
The signal is output from the I MON OUT connector on the PLZ-4W front panel
and across pins 2 and 3 (pin 3 is common) of the J1 connector.
• Pin 3 of the J1 connector is connected the negative load input terminal. To
prevent damaging the PLZ-4W, be sure not to let the wire of pin 3 touch
any other pins.
I MON OUT connector (BNC) on the PLZ-4W front panel
The common is connected to the chassis electric potential. It is isolated from A
COM. For current ranges H and L, 1 V corresponds to the full scale current; for cur-
rent range M, 0.1 V corresponds to the full scale current.
Across pins 2 and 3 of the J1 connector
The common is connected to A COM. For current ranges H and L, 10 V corre-
sponds to the full scale current; for current range M, 1 V corresponds to the full
scale current.
NOTE
500 Ω
Approx. 2 μs
Approx.
4.5 V
0 V
TRIG OUT
Front panel
Fig. 6-47 Equivalent circuit
CAUTION
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