Signals And Wiring; Description Of Signals; Electrical Specifications - Mitsubishi Electric MELFA CR800 Series Instruction Manual

3. SIGNALS AND WIRING

3.1 Description of Signals

Electrical specifications

3.1.1
(1) Safety DI input specifications
Item
Input voltage at external contact ON
Input current at external contact ON
Input voltage at external contact OFF
Input current at external contact OFF
Input resistor
Tolerable chattering time (T1)
Input signal holding time (T2)
Input circuit operation delay time(T3, T4)
Machine side contact capacity
DSI_1A
DSI_4A
DSI_1B
DSI_4B
Tab. 3-1 Safety DI electrical specifications
Specifications
18 V to 25.2 V
3 mA or more
3.8 V max.
0.7 mA or less.
5 kΩ
3 ms
40 ms or more
3 ms to 16 ms
30 V or more, 16 mA or more
DSI
DSO
Fig. 3-1 Safety DI electrical specifications
3 SIGNALS AND WIRING
Remarks
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40 ms is just a standard. The
input signal is not recognized
unless the time is held more
than the entered DSI filter time.
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Description of Signals 3-21