NAiS FP Series, Руководство пользователя

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FP
Σ
Communication Function 1 Computer Link
8 - 8
8.1.4 Types of Commands that Can Be Used
Command name Code Description
Read contact area RC
(RCS)
(RCP)
(RCC)
Reads the on and off status of contacts.
- Specifies only one point.
- Specifies multiple contacts.
- Specifies a range in word units.
Write contact area WC
(WCS)
(WCP)
(WCC)
Turns contacts on and off.
- Specifies only one point.
- Specifies multiple contacts.
- Specifies a range in word units.
Read data area RD Reads the contents of a data area.
Write data area WD Writes data to a data area.
Read timer/counter set value area RS Reads the value set for a timer/counter.
Write timer/counter set value area WS Writes a timer/counter setting value.
Read timer/counter elapsed value area RK Reads the timer/counter elapsed value.
Write timer/counter elapsed value area WK Writes the timer/counter elapsed value.
Register or Reset contacts monitored MC Registers the contact to be monitored.
Register or Reset data monitored MD Registers the data to be monitored.
Monitoring start MG Monitors a registered contact or data using the code “MD or
MC”.
Preset contact area
(fill command)
SC Embeds the area of a specified range in a 16-point on and
off pattern.
Preset data area
(fill command)
SD Writes the same contents to the data area of a specified
range.
Read system register RR Reads the contents of a system register.
Write system register WR Specifies the contents of a system register.
Read the status of PLC RT Reads the specifications of the programmable controller and
error codes if an error occurs.
Remote control RM Switches the operation mode of the programmable controller.
Abort AB Aborts communication.