Omron ZJ-SD Series User Manual page 26

Section 2
Part Names and Functions
Interface Unit
(2) Amplifier Unit connector
(1) Connector
(1) The communications connector connects the communications cable to the
computer.
(2) The Amplifier Unit connector connects to the Amplifier Unit.
(3) The power supply indicator lights while the power is supplied.
(4) BUSY : Lights during communications with the Smart Sensor.
ERR : Lights if an error occurs during communications with the Smart Sensor.
(5) BUSY : Lights during communications with the personal computer.
ERR : Lights if an error occurs during communications with the personal computer.
ZJ-SD
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User's Manual
* Display
(3) Power supply indicator
(4) Sensor communication indicator (BUSY/ERR)
(5) External terminal communication indicator (BUSY/ERR)
Display (*)