Mitsubishi Electric MDS-E Series Instruction Manual page 138

MDS-E/EH Series Instruction Manual
3 Safety Function
External input/output signal connection example when using a NC controller
Door signal contact
Detail description of external input/output signal connection
Details of the input/output signal as stated before (refer to "I/O class" in the table) are shown below. Connect to an
external device by referring to this section.
(a) Digital input interface: DI
Provide a signal with a relay or open-collector transistor.
[1] Sink input/output interface
Switch
24VDC ± 10%
200mA
[2] Source input/output interface
Switch
24VDC ± 10%
200mA
(b) Digital output interface: DO
Maximum 1.3V of voltage drop occurs inside the drive unit.
Drive unit
TOF1/TOF2
ＴOF_COM
CAUTION
Maximum 1.3V of voltage drop occurs inside the drive unit. Select an external connection device operable in the output
voltage after the voltage drop.
Shutoff
Drive unit
command
STO1 4
5
STO2
STO_COM 3
Drive unit
STO_COM
4kΩ
STO1/STO2
Drive unit
STO_COM
4kΩ
STO1/STO2
The drive unit is
damaged when the
polarity is reversed.
Load
(Note) 24VDC±10%
107
Shutoff
effect
8
TOF_COM
6
TOF1
7 TOF2
1 Input voltage at external contact ON 24VDC±10%
2 Input current at external contact ON 10mA or more
Input voltage at external contact
3
OFF
Input current at external contact
4
OFF
5 Input resistance
6 Tolerable chattering time
7 Input signal holding time
8 Input circuit operation delay time
1 Insulation method
2 Rated load voltage
3 Rated current
4 Maximum current
5 Rush current
6 Internal voltage drop
IO unit
for NC controller
4V or less
2mA or less
4kΩ
1ms or less
600ms or more
10ms typ 30ms or less
Insulation
24V
40mA or less
50mA or less
100mA or less
1.3V or less
IB-1501229-F