Siemens SIMATIC S7-1200 System Manual page 1402

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Table of Contents

Technical specifications

A.6 CPU 1214C

Technical data

Switching delay (Qa.0 to Qa.3)

Switching delay (Qa.4 to Qb.1)

Maximum relay switching frequency

Pulse Train Output rate

Lifetime mechanical (no load)

Lifetime contacts at rated load

Behavior on RUN to STOP

Number of outputs on simultaneously •

Cable length (meters)

Relay group-to-group isolation separates line voltage from SELV/PELV and separates different phases up to 250 V AC

line to ground.

For CPU models with relay outputs, you must install a digital signal board (SB) to use the pulse outputs.

Depending on your pulse receiver and cable, an additional load resistor (at least 10% of rated current) may improve

pulse signal quality and noise immunity.

CPU 1214C AC/DC/Relay

and DC/DC/Relay

Not recommended

10,000,000 open/close cycles

100,000 open/close cycles

Last value or substitute value (default value 0)

5 (no adjacent points) at 60 °C horizontal or 50 °C vertical

10 at 55 °C horizontal or 45 °C vertical

500 m shielded, 150 m unshielded

1.0 μs max., off to on

3.0 μs max., on to off

5 μs max., off to on

20 μs max., on to off

100 kHz (Qa.0 to Qa.3)

20 kHz (Qa.4 to Qb.1)

S7-1200 Programmable controller

System Manual, V4.2, 09/2016, A5E02486680-AK