PM4H-A/S/M
Operation type
Explanation
Time chart
? If using a time-limit start when the power is turned on, and a reset when
the power is turned off, pins 2 to 6 (screw-tightening pins x and c )
Power supply
ON
OFF
should be shorted ahead of time.
? Turn the operation mode selector switch to the OS position.
When pins 2 to 6 (screw-tightening pins x and c ) are shorted (the start
Start
Reset
ON
OFF
ON
OFF
ON
OFF
Pulse
One-shot
OS
input is turned on) with the power supply on, the output goes on for the set
time limit interval.
If the power supply is turned off, or pins 2 to 7 (screw-tightening pins x to
v ) are shorted (the reset input is turned on), a reset is carried out.
Note) During time-limited operation, the time-limited operation is stopped
while the pins 2 to 5 (screw-tightening pins x to b ) are being shorted
Stop –
Time out (N.O. contact)
ON
T
T
t 1
ON
OFF
t 2
t a
OFF
(the stop input is on). When the pins are released, time-limited operation
resumes.
OP. LED
POWER LED
Note:
LED lighting or No LED lighting
? Turn the operation mode selector switch to the OF2 position.
When pins 2 to 6 (screw-tightening pins x and c ) are shorted (the start
Power supply
ON
OFF
input is turned on) with the power supply on, the time limit interval begins,
and after the set time interval has elapsed, the output goes on.
Start
ON
OFF
ON
OFF
Differential
ON/OFF-delay (2)
OF2
Also, when pins 2 to 6 are released (the start input goes off), the time limit
interval begins, and after it has elapsed, the output goes off.
If the status of pins 2 to 6 (screw-tightening pins x and c ) changes dur-
ing the time-limit interval (the start input goes from on to off, or from off to
on), the time limit interval is restarted from the point at which the change
took place.
If the power supply is turned off, or pins 2 to 7 (screw-tightening pins x to
Reset –
Stop –
Time out (N.O. contact)
T
ON
t 1
ON
OFF
t 2
OFF
t a
t b
ON
ON
OFF
OFF
v ) are shorted (the reset input is turned on), a reset is carried out.
Note) During time-limited operation, the time-limited operation is stopped while
the pins 2 to 5 (screw-tightening pins x to b ) are being shorted (the stop
input is on). When the pins are released, time-limited operation resumes.
OP. LED
POWER LED
Note:
Restart
LED lighting or No LED lighting
? If using a time-limit start when the power is turned on, and a reset when
Power supply
ON
OFF
the power is turned off, pins 2 to 6 (screw-tightening pins x and c )
ON
ON
ON
should be shorted ahead of time.
Start
OFF
OFF
OFF
? Turn the operation mode selector switch to the OC position.
ON
ON
When pins 2 to 6 (screw-tightening pins x and c ) are shorted (the start
Reset
OFF
OFF
Pulse
One-cycle
input is turned on) with the power supply on, the output goes on after the
set time limit interval has elapsed. After it has gone on, it goes off after
one pulse (approximately 0.8 seconds).
Stop
T
t
t a
t 1
ON
OFF
t 2
t
t b
OC
If the power supply is turned off, or pins 2 to 7 (screw-tightening pins x
to v ) are shorted (the reset input is turned on), a reset is carried out.
Time out (N.O. contact)
ON
OFF
ON
OFF
Note) During time-limited operation, the time-limited operation is stopped
while the pins 2 to 5 (screw-tightening pins x to b ) are being shorted
(the stop input is on). When the pins are released, time-limited operation
resumes.
OP. LED
POWER LED
One pulse time (t): Approx. 0.8s
Note: LED lighting or No LED lighting
Note: Keep 0.1s or more for power off time.
Keep 0.05s or more for start, stop, reset input time.
PM4H-S
? LED lighting
? T: Setting time
LED flickering ?
?
Operation type
Time limit contact relay
Explanation
Time chart
Power ON-delay
When the power supply is turned on, the output goes on after the set
time interval has elapsed.
When the power supply is turned off, a reset is carried out.
Power supply
Time out (N.O. contact)
ON
T
ON
OFF
OFF
OP. LED
POWER LED
PM4H-M
Operation type
Explanation
Time chart
Power ON-delay
ON
Power Flicker
FL
Power ON-flicker
Turn the operation mode selector switch to display the various opera-
tions.
When the power supply is turned on, the time limit interval begins,
and operation is carried out.
When the power supply is turned off, a reset is carried out.
Power ON-delay
Power supply
Time out (N.O. contact)
ON
T
ON
OFF
OFF
FO
Instantaneous contact (N.O. contact)
ON
OFF
Power One-shot
OS
Power One-cycle
OP. LED
POWER LED
OC
Note: Keep 0.1s or more for power off time. PM4H-M timers do not have each input which is start, reset and stop.
All Rights Reserved ? C OPYRIGHT Matsushita Electric Works, Ltd.
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