Specifications
Mechanical Indicators
78
Needle position and output relay operation
Needle position
Contact operation mode of
the lower-limit output relay
(a contact example)
Contact operation mode of
the upper-limit output relay
(a contact example)
Lower-limit setting value or less
Between upper/lower-limit setting values
Upper-limit setting value or more
ON
OFF
ON
OFF
0
20
40
60
80
100
A
~~~
0
20
40
60
80
100
A
0
20
40
60
80
100
A
c
b
a
c
b
a
c
b
a
c
b
a
c
b
a
b
a
Lower-limit operation indication lamp (green)
Upper-limit operation indication lamp (red)
Upper-limit setting knob (red)
Lower-limit setting knob (green)
Needle Upper-limit setting needle
Lower-limit
setting needle
Remarks
The needle position across the entire scale can be indicated by combining the contacts of
the lower-limit and upper-limit output relays as shown in the diagram below.
Names of components
Upper/Lower-limit operation indication
light.
This light turns on as soon as the value set as
the upper/lower-limit is reached and stays lit as
long as this state is maintained.
c
b
a
Upper-limit relayLower-limit relay
c
b
a
ON when lower limit or less
ON when upper limit or more
ON between upper and lower limits
Fig. 1 YM-210MRN and YM-210MRHN
YR-210MRN and YR-210MRHN
The lower-limit setting needle, the lower-limit setting knob, the
lower limit LED, and the LOW output terminals are not provided
for YM-210MRHN and YR-210MRHN.
Fig. 2 LM-11MRN and LM-11MRHN
LR-11MRN and LR-11MRHN
The lower-limit setting needle, the lower-limit setting knob, the
lower-limit LED, and the LOW output terminals are not provided
for LM-11MRHN and LR-11MRHN.
Outer dimensions
⎛
⎜
⎝
⎞
⎟
⎠
Depth dimensions
Model
YM-210MRN, YM-210MRHN
YR-210MRN, YR-210MRHN
Depth dimension (mm)
96
110
Model
LM-11MRN, LM-11MRHN
LR-11MRN, LR-11MRHN
Depth dimension (mm)
146
159
Opening dimensions (mm)
4-f4
4040
3232
f
80
100/110V
200/220V
SOURCE
M
–
+
H
IG
H
LO
W
A
C
INPUT
±
a
c
b
a
c
b
100/110V
200/220V
SOURCE
H
IG
H
LO
W
±
a
c
b
a
c
b
Terminal layout diagrams
YM-210MRN, YM-210MRHN YR-210MRN, YR-210MRHN
f78
4-M3 mounting screws
15
15
Depth dimension
M3 terminal screw
80
64
86
30
Driving needle
Lower-limit setting knob
Upper-limit setting knob
Lower-limit LED
(green)
Upper-limit LED
(red)
Upper-limit
marker needle
Lower-limit
marker needle
100
83
4-f6
45 45
45
45
f
1
0
4
110
110
Driving needle
Lower-limit setting needle
Upper-limit setting needle
Lower-limit LED
(green)
Upper-limit
LED (red)
Lower-limit
setting knob
Upper-limit
setting knob
f100
4-M5 mounting screws
10
15
17
32
Depth dimension
M4 terminal screw
90
90
100/110V
200/220V
SOURCE
M
H
IG
H
LO
W
A
C
INPUT
a
c
b
a
c
b
100/110V
200/220V
SOURCE
H
IG
H
LO
W
a
c
b
a
c
b
LR-11MRN, LR-11MRHNLM-11MRN, LM-11MRHN
Opening dimensions (mm)
–
+
±±
Terminal layout diagrams
⎞
⎟
⎠
⎛
⎜
⎝
Depth dimensions
Note 1. A cover with red needle cannot be manufactured.