Mitsubishi MELSEC-WS series, User Manual

Page: 105 / 152

Chapter 12
102
Technical data
Power supply unit (A1, A2)
Supply voltage 24 V DC (16.8 V DC … 30 V DC)
Supply voltage
UL/CSA applications 24 V DC
Type of supply voltage PELV or SELV
The current of the power supply unit for the module
has to be limited to a maximum of 4 A – either by the
power supply unit itself or by a fuse.
Power consumption Max. 120 W (30 V × 4 A), determined by the load at
the outputs Q1 to Q4, plus max. 1 W power input for
the internal circuit
Switch-on time Max. 18 s
Short-circuit protection 4 A gG (with tripping characteristic B or C)
Input circuit (I1 … I8)
Input voltage High 13 … 30 V DC
Input voltage Low –5 … +5 V DC
Input current High 2.4 … 3.8 mA
Input current Low –2.5 … 2.1 mA
Input reverse current in case of
ground interruption
*3
Hardware version < V1.10.1 Max. 20 mA
1.5 k
Ω effective reverse resistance to power supply
Hardware version ≥ V1.10.1 Max. 2 mA
Switching current (with
mechanical contacts) 14.4 mA at 5 V
3 mA at 24 V
Input pulse filtering (pulses within
these limits have no effect)
Pulse width Max. 0.9 ms
Pulse period Min. 4 ms
Input capacitance Max. 10 nF + 10 %
Discrepancy times 4 ms … 30 s, configurable
Number of inputs 8
*3 Do not switch other safe inputs in parallel, if the reverse current could lead to a High state at the
other input.