Mitsubishi Electric MELSEC-Q Series - Page 140

3 REPLACEMENT OF I/O MODULE
3 - 87
*1 Check the specifications of the sensor or switches to be connected to the QH42P.
*2 The following shows the derating chart.
Output specifications
Protection function -
Available
(overheat protection function,
overload protection function)
• The overheat protection function
is activated in increments of 1
point.
• The overload protection function
is activated in increments of 1
point.

Common terminal
arrangement
32 points/common
(common terminal: 2A1, 2A2)
32 points/common
(common terminal: 2A01, 2A02)

External
power
supply
Voltage
12/24VDC
(10.2 to 30VDC)
12-24VDC
(10.2 to 28.8VDC
ripple ratio within 5%)
Voltage exceeding 28.8VDC is
not applicable.
Current
8mA
(typ.24VDC for each common)
MAX. 15mA/common
(24VDC, all points on)
The current value is increased.
Operation indication
On indication (LED)
32-point switching indication with
the switch
On indication (LED)
32-point switching indication with
the switch

External connection system
40-pin connector
2 pieces (accessory)
40-pin connector
2 pieces (sold separately)

Existing external wiring can be
used.
Applicable wire size
0.3mm
2
0.3mm
2
(A6CON1, A6CON4)

Number of occupied I/O
points
32 points
(I/O assignment: Output)
32 points
(I/O assignment: I/O mix)

Current consumption 0.50A (typ. all points on) 0.13A (typ. all points on) 
External dimensions 130(H)34.5(W)93.6(D)mm 98(H)27.4(W)90(D)mm
Weight 0.27kg 0.20kg
(QH42P)
Specifications A1SH42 QH42P
Compat-
ibility
Precautions for replacement
100
90
80
70
60
50
40
0102030405055
On
ratio
28.8VDC
Ambient temperature