For Siemens Simatic S7

permissible range, lower limit (DC)

11 V

permissible range, upper limit (DC)

30 V

Input current

from supply voltage L+, max.

300 mA; from 12 V DC, 130 mA from 24 V DC

from backplane bus 5 V DC, max.

190 mA

Power loss

Power loss, typ.

2.5 W

Hardware configuration

Number of modules per CPU

max. 5 with CPU 226/226XM, max. 3 with CPU 224, max. 1 with CPU 222

Digital inputs

Number of digital inputs

5; P-reading

Functions

Stop (STP), reference point switch (RPS), upper limit switch (LMT+), lower limit switch (LMT-), zero point (ZP)

Input characteristic curve in accordance with IEC 61131, type 1

Yes

Input voltage

● Rated value (DC)

24 V

● for signal "0"

STP, RPS, LMT+, LMT- DC 5 V; ZP DC 1 V

● for signal "1"

STP, RPS, LMT+, LMT- DC 15 V; ZP DC 3 V

Input delay (for rated value of input voltage)

for standard inputs

— parameterizable

Yes; STP, RPS, LMT+, LMT- 0.2 to 12.8 ms; ZP min 2 µs

Cable length

● shielded, max.

100 m; STP, RPS, LMT+, LMT- 100 m, ZP 10 m

● unshielded, max.

30 m; STP, RPS, LMT+, LMT- 30 m, ZP not recommended

Encoder

Connectable encoders

● 2-wire sensor

Yes

— permissible quiescent current (2-wire sensor), max.

1 mA

Drive interface

Signal output I

● Number

4; optionally RS 422 / 485 or 5 V DC

● Type

RS 422 / 485 (P0+, P0-, P1+, P1-)

● Differential output voltage, min.

2.8 V; RL = 200 ohms

● Pulse frequency

200 kHz; (P0+, P0-, P1+, P1-, P0, P1)

● Cable length, max.

10 m; shielded; 1 m unshielded

Signal output II

● Type

5 V DC(P0, P1, DIS, CLR)

● Output voltage

30 V DC

● Output current

50 mA; output delay (DIS, CLR) max. 30 µs

Potential separation

Potential separation digital inputs

● between the channels

Yes

● between the channels, in groups of

1 (STP, RPS, ZP), 2 (LMT-, LMT+)

Permissible potential difference

between different circuits

500 V AC

Dimensions

Width

71.2 mm

Height

80 mm

Depth

62 mm

Weights

Weight, approx.

190 g