PM4H-F
Terminal layouts and Wiring diagrams
? PM4H-F8 (without reset input)
Pin type
Time-out 2 Form C
? PM4H-F8R (with reset input)
Pin type
Time-out 1 Form C, with reset input
? PM4H-F11R (with reset input)
Pin type
Time-out 2 Form C, with reset input
N.C.
N.C.
N.C.
Reset input
N.O.
3
4 5
6
N.O.
Reset
3
4 5
6
N.O.
N.O.
N.C.
4
5 6 7
8
N.C.
N.O.
2
1 8
7
input
2
1 8
7
3
2
1 11
9
10
(–)
Operating voltage
(+)
(–)
Operating voltage
(+)
Operating voltage
(–) (+)
Screw-tightening pin type
Screw-tightening pin type
The PM4H-F11R should be used for the time-
limit 2C.
The PM4H-F11R should be used for the time-
limit 1C and to connect reset input.
Screw terminal type
Time-out 2 Form C, with reset input
N.C. N.O. 6
7
8
9
10
N.C. N.O.
11
1
2
3
4
5
Operating
Reset input
PM4H-F (with reset) input conditions
(+)
voltage
(–)
1. Contact input (pin type example)
2. Non-contact input (pin type example)
PM4H-F8R
PM4H-F11R
PM4H-F8R
PM4H-F11R
Photo-coupler
Reset input
Reset input
Use a contact with good contact relia-
bility for the input. Contact bounce can
lead to erroneous operation of the
timer, so use a contact with short
Reset input
Reset input
Be sure to use a photo-
coupler for non-contact
input.
Operation
bounce time. Make the resistance
between terminals for a short circuit
less than 1k-ohms. Make the resis-
tance between terminals for an open
circuit greater than 100k-ohms.
Photo-coupler
Check that Vce = 0.6V
Max. when ON.
? PM4H-F8 (without reset input)
? PM4H-F8R/F11R (with reset input)
Note:
Note:
Tr
Tr
Ts
Tr
Ts
Power
supply
Time-delay
contact N.O.
T
Power
supply
Reset
input
T
t
Time-delay
contact N.C.
Time-delay
contact N.O.
Time-delay
contact N.C.
t<T: Time setting
Tr: Minimum power supply application time
Note: Ts: Min. 2s (Time to restart operation after reset input is set
to OFF: both second type and minute type)
All Rights Reserved ? C OPYRIGHT Matsushita Electric Works, Ltd.
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