Entec LBS-751 Manuale di avvio rapido - Pagina 12

Sfoglia online o scarica il pdf Manuale di avvio rapido per Interruttore Entec LBS-751. Entec LBS-751 12. Electronic sectionalizer control

Quick Start Guide

LBS-751 Control

Modbus Protocol Codes, continued

05h

Force Single Coil Command

Use function code 05h to set and clear a coil. Remote bit coil will track the binary state

value forced with the 05h function. State value "1" will Set remote bit coil and "0" will Clear

the coil. Refer to Control Point table for coil assignments and address.

Example 1:

Apply "Push Button Lock" with 05h function using Scada to force coil

address 27. Set Logic "1" for three seconds then clear to Logic "0" operates Button Lock

same as pressing PB1 directly on the front panel.

Bytes

05h Force Single Coil format from Master

1 byte

2 bytes

1 byte

2 bytes

For additional information about Modbus commands and a comprehensive data map refer to the

SEL 751 user manual Appendix E: Modbus Communications. A PDF copy is included on the

flash stick located inside the control cabinet or available online at www.selinc.com.

SEL

is a registered trademark of Schweitzer Engineering Laboratories, Inc. (SEL)

Field

Slave Address

Function Code (05h)

Coil Reference

Operation Code (FF=Set; 00=Clear)

Placeholder

CRC‐16

APPENDIX 2