3.5.2 Digital Output Modules
The output modules of the MELSEC System Q provide different switching elements for adap
-
tion to many control tasks:
Modules with 8 or 16 connection points are equipped with removable screw terminal blocks.
The modules with 32 or 64 connection points are connected via a plug.
Output Types
Digital output modules for the MELSEC System Q are available in four configurations.
쎲 Relay
쎲 Tr ia c
쎲 Transistor (Source Type)
쎲 Transistor (Sink Type)
3–24 MITSUBISHI ELECTRIC
Das MELSEC System Q Digital Input and Output Modules
0
1
3
5
7
9
B
D
F
2
4
6
8
A
C
E
24VDC
240VAC
2A
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
Q
Y10
01234567
89ABC D EF
NC
COM
Type Advantages Advantages
Relay
쎲 One modul can switch mixed voltages
쎲 Volt-free operation possible
쎲 High current switching capability
쎲 Slow (max. 1 Hz)
쎲 Finite reliability (electromechanical)
쎲 Contact burn
쎲 Noisy (electrical)
Triac
쎲 High reliability
쎲 Higher speed switching
쎲 Suited to high duty switching applications
쎲 AC operation only
쎲 Current limited to 0.6 A /point
쎲 Requires 10 ms to turn ON/OFF at AC 50 Hz
Transistor
쎲 Very high reliability
쎲 Very high speed switching
쎲 Well suited to high duty switching applications
쎲 Low voltage DC operation only
쎲 Current limited to 0.1 A /point
Output
type
Output module
No. of
outputs
8 163264
Rated output
voltage
Relay 24 V DC / 240 V AC QY18A QY10
Triac 100 – 240 V AC QY22
Transistor
5 / 12 V DC QY70 QY71
12 / 24 V DC
QY40P
QY50
QY80
QY41P
QY81P
QY42P
5 – 24 V DC QY68A
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