EM121 Digital Input（121-1BF10）

CTSC-100 EM121 Digital Input Module, 8 inputs, DC 24V

CTS7 121-1BF10

Physical Size

Dimensions(W×H×D)

46×80×62mm

Power dissipation

2W

Input Features　

Number of integrated inputs

8

Input type

Sink/Source(IEC Type 1 sink)

Input Voltage　

Maximum continuous permissible

30 VDC

Surge

35 VDC, 0.5 s

Rated value

24 VDC,  4 mA

Logic 1 signal(minimum)

15 VDC, 2.5 mA

Logic 0 signal(maximum)

5 VDC, 1mA

Isolation(Field Side to Logic Circuit)　

Optical isolation(Galvanic)

500 VAC, 1 minute

Isolation groups of

4 points

Maximum input delay times

4.5ms

Connection of 2 Wire Proximity Sensor(Bero)　

Permissible leakage current

1 mA, maximum

Cable Length　

Unshielded(not HSC)

300 m

Shielded

500 m

Number of inputs ON Simultaneously　

40℃

8

50℃

8

Power Consumption

From +5V DC(from I/O bus)

40 mA