Name: Siemens SIMATIC S7-1200 CP 1243-8 IRC
Brand: Siemens
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Configuration

4.18 Data points

CP 1243-8 IRC

Operating Instructions, 02/2018, C79000-G8976-C385-03

159

●

LATCH_ON/OFF

The function permanently latches a command output to the value 0 or 1.

Note:

The latched value is only canceled by a new command. Alternatively, the command can

be reset by the user program.

●

PULSE_ON/OFF

The function evaluates the number and length of the signals (pulses) of commands from

a master station.

Data point types

The output options can be configured dependent on the protocol for the following data point

types:

● ST7

Command output (Cmd01B_R)

● IEC

Single command

● DNP3

Binary Command Output

Reference to specifications

The output options correspond to the following parts of the specification:

● IEC

Qualifier of command - IEC 60870-5-101, Part 1

● DNP3

Control Code, Operation Type field (OP Type) - Volume 6, Part 2, Objects

Protocol-dependent processing

ST7

● LATCH_ON/OFF

The function latches the value of a command as described above.

● PULSE_ON/OFF

The function evaluates the "command output time" for a single pulse (see below).

IEC

● LATCH_ON/OFF

The function latches the value of a command as described above.

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Siemens SIMATIC S7-1200 CP 1243-8 IRC Specifications

General