User`s manual

Input/output module specifications Specifications
MELSEC System Q, Hardware 12 – 49
12.3.34 Combined I/O module QH42P

The response times OFF –> ON and ON –> OFF can’t be set to different values.
Item QH42P
Input Specifications
Number of input points 32
Isolation method Photocoupler
Rated input voltage 24 V DC (+20/–15 %, ripple ratio within 5 %)
Rated input current approx. 4 mA
Max. simultaneously ON Refer to the derating chart
Inrush current —
ON voltage/ON current
≥ 19 V DC / ≥ 3 mA
OFF voltage/OFF current
≤ 11 V DC / ≤ 1.7 mA
Input impedance approx. 5.6 k
Ω
Response time
OFF
→ ON 1, 5, 10, 20, 70 ms
(Response time setting by parameters, initial setting: 10 ms)

ON → OFF 1, 5, 10, 20, 70 ms
(Response time setting by parameters, initial setting: 10 ms)

Groups of input 1; 32 points/common,
(common terminal: 1B01 and 1B02)
Output specifications
Number of outputs 32
Isolation method Photocoupler
Rated load voltage 12–24 V DC (+20/–15 %)
Maximum load current 0.1 A per output, 2 A per module
Maximum inrush current 0.7 A, 10 ms or less
Leakage current at OFF
≤ 0.1 mA
Maximum voltage drop at ON
≤ 0.2 V at 0.1 A
Response time
OFF
→ ON ≤ 1 ms
ON
→ OFF ≤ 1 ms (rated load, resistive load)
Surge suppressor Zener Diode
Fuse —
External power
supply
Voltage 12–24 V DC (+20/–15 %, ripple ratio within 5 %)
Current 15 mA (at 24 VDC, all output points are ON)
Protection function Thermal and overload protections
Thermal/overload protection is activated in units of 1 point
Groups of outputs 1; 32 points/common,
(common terminal: 2A01 and 2A02)
Common specifications
Input/output status display One LED per input or output (switchable)
Number of I/O occupied points 32 points (Type setting in I/O-assignment: I/O-mix)
Dielectric withstand voltage 560 V AC rms/3 cycles (altitude 2000 m)
External connections Two 40-pin connectors
Left connector: inputs, right connector: outputs
Applicable wire size
0.3 mm
2
Accessories External wiring connector
Internal current consumption
(5 V DC)
130 mA (all input points are ON)
Weight 0.20 kg
Tab. 12-62: Combined I/O module QH42P