12．Rs-485 Communication Interface(Option); Communication Specifications; Connection - Unipulse F370 Operation Manual

12.RS-485 COMMUNICATION INTERFACE(OPTION)
RS-485 COMMUNICATION INTERFACE(OPTION)
12.

12-1. Communication Specifications

- Specifications
- Connector Pin Assignment
12-2. RS-485 connection
1.Connection of transmitting and receiving lines
① 4-wire connection
Set the communications mode of the F370 to "4-wire."
Connect the "SD" (sending side) of the equipment on the other end (master), such as a
programmable controller, to "RD" (receiving side) of the F370 (slave), and "RD" of the
master to "SD" of the F370.
90
Signal level Based on RS-485
Transmitting distance Approx 1km
Transmitting method Asynchronous，Full duplex
Transmitting speed 1200，2400，4800，9600 or 19200bps Selectable
Bit configuration Start
Character length
Stop
Parity
Terminator CR+LF/CR Selectable
Code ASCII
RS-485
SD
RD
SG
1bit
7 or 8bits Selectable
1 or 2bits Selectable
None,Odd or Even Selectable
A －
B ＋
・ MARK （OFF）
V -V < -0.2V
A B
A －
・ SPACE （ON）
V -V > 0.2V
B ＋
A B