Azbil F4Q, Руководство пользователя

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Chapter 1. Overview
1 - 1 Overview
Model F4Q (hereafter also “this device” or “the slave station”) can exchange data with host devices (master stations)
such as a PC or a PLC via RS-485 communication.
„ Features
• The master station transmits read and write commands to slave stations.
• Through the reading and writing of data, the user can control this device, collect
process data, and configure device settings.
• Using RS-485 communication, up to 31 slave stations (devices like this device
that are compatible with RS-485) can be connected to a master station. Station
addresses are used to communicate with specific slave stations.
• The communication program is to be developed by the user.
• The data to be read/written can be freely selected by the data address.
• CPL (Azbil Corporation’s protocol) and Modbus RTU communication protocols
are supported. The user can select either one of the protocols.
„ System configuration
Slave station
(models F4Q, F4H, etc.)
Up to 31 units
*Azbil’s model NX-SVG Smart Device Gateway, etc.
RS-485 (3-wire system)
Master station (PLC, etc.)
Converter*
LAN cable
PWR
NX-SVGN
USB
DA(+)
SG
DB(−) RS-485 CH1
RS-485
BATTERY
LINK/ACT
LAN1
FUNCTION ERROR
ID F1 F2
RUN MOD COM NST FAIL
Handling Precautions
•
Do not write data by RS-485 and by the loader at the same time.