Connecting Through The Serial Interface; Rs-232C/Rs-422 Connections - Omron F250 Vision Sensor Setup Manual

Connecting through the Serial Interface

The Controller's serial interface (RS-232C/RS-422 connector or Ethernet connector) can be used to input
signals such as measurement triggers or output signals such as measurement results.Additionally, data
that has been set in the Controller can be backed up in a personal computer. The connection method is
explained here.
Refer to Section 6 Communicating with External Devices in the Operation Manual for details on
communications settings and I/O formats.

RS-232C/RS-422 Connections

Connection Examples
1:1 Connection (Normal, Menu Operation)
Controller
Multi-drop Connection (Normal)
Communications between one computer and several Controllers (at most 31 Controllers) is
possible using Link Adapters.
Link Adapter
Recommended Model
OMRON Corporation
RS-422 3G2A9-AL004-E
cable
RS-422 cable
Link Adapter
RS-422 cable
Controller
When 3G2A9-AL004-E Link Adapters are being used, termination must be set to ON in the last node in the line
and the node must be terminated as follows:
Connect 220 Ω (1/2 W min.) between RDA(-) and RDB(+).
Connect 220 Ω (1/2 W min.) between SDA(-) and SDB(+).
RS-232C cable
RS-232C cable
Link Adapter
Controller
Connecting External Devices
PC
PC
Link Adapter
Recommended Model
OMRON Corporation
B500-AL001
Controller
SECTION 4
F250
43
Setup Manual