Mitsubishi Electric MELSEC-L Series User Manual page 51

External connections
LED
Photocoupler
Internal
circuit
Photocoupler
Left side connectors
(first half )
Indication
selector sw
Constant-voltage
circuit
Right side connectors
(last half )
*1
The above diagram shows the first half of 32 points (F).
The last half of 32 points (L) are similar.
*1 Switching left side (F) provides the first half (Y00 to Y1F) LED indications, and switching right side (L) provides the latter
half (Y20 to Y3F) LED indications.
Load
1B20
Load
1A05
1B01,1B02
circuit
1A01,1A02
12/24VDC
Terminal connections
Left side connector
Signal Pin Signal
name name
number
Load Load
Y00 Y10
1B20 1A20
Load Load
Y01 Y11
1B19 1A19
Load Load
Y02 Y12
1B18 1A18
Load Load
Y03 Y13
1B17
1A17
Load Load
Y04 Y14
1B16 1A16
Load Load
Y05 Y15
1B15 1A15
Load Load
Y06 Y16
1B14 1A14
Load Load
Y07 Y17
1B13 1A13
Load Load
Y08 Y18
1B12 1A12
Load Load
Y09 Y19
1B11 1A11
Load Load
Y0A Y1A
1B10 1A10
Load Load
Y0B Y1B
1B09 1A09
Load Load
Y0C Y1C
1B08 1A08
Load Load
Y0D Y1D
1B07 1A07
Load Load
Y0E Y1E
1B06 1A06
Load Load
Y0F Y1F
1B05 1A05
Empty Empty
1B04 1A04
Empty Empty
1B03 1A03
12/24VDC
COM1
1B02 1A02
COM1
12/24VDC
1B01 1A01
12/24VDC
Viewed from the front of
the module.
CHAPTER 4 SPECIFICATIONS
Right side connectors
Signal Pin Signal
name name
number
Load Load
Y20 Y30
2B20 2A20
Load Load
Y21 Y31
2B19 2A19
Load Load
Y22 Y32
2B18 2A18
Load Load
Y23 Y33
2B17
2A17
Load Load
Y24 Y34
2B16 2A16
Load Load
Y25 Y35
2B15 2A15
Load Load
Y26 Y36
2B14 2A14
Load Load
Y27 Y37
2B13 2A13
Load Load
Y28 Y38
2B12 2A12
Load Load
Y29 Y39
2B11 2A11
Load Load
Y2A Y3A
2B10 2A10
Load Load
Y2B Y3B
2B09 2A09
Load Load
Y2C Y3C
2B08 2A08
Load Load
Y2D Y3D
2B07 2A07
Load Load
Y2E Y3E
2B06 2A06
Load Load
Y2F Y3F
2B05 2A05
Empty Empty
2B04 2A04
Empty
Empty
2B03 2A03
12/24VDC
COM2
2B02 2A02
COM2
12/24VDC
2B01 2A01
12/24VDC
Viewed from the front of
the module.
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