Omron HOME SECURITY SYSTEM - MOTION SENSOR FQM1-MMA21 - Manual (Page 159)

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Serial Communications Section 6-1
6-1-6 No-protocol Communications (RS-422A Port)
RS-422A Settings
Note The settings are made using CX-Programmer Ver. 5.0 @ menus.
Item Settings Default Enabled
Mode No-protocol Serial Gateway Each cycle
Delay 0 to 99,990 ms (unit: 10 ms) 0 ms
End code 00 to FF hex 00 hex
Start code 00 to FF hex 00 hex
Received bytes 01 to FF hex: 1 to 255 bytes 256 bytes
Use of end code Received bytes or CR+LF Received bytes
Use of start
code No
Yes No
FQM1
RS-422A RS-232C
RS-232C port
No-protocol
Coordinator Module Coordinator Module ladder program
TXD/RXD
instructions
RS-422A port
No-protocol
General-
purpose
external
device Servo Driver Servo Driver