Omron CQM1H-SCB41 operation manual Component Names and Functions, Board Indicators

Installation Section 2-1

2-1 Component Names and Functions

The components of the Serial Communications Board are described in this sec- tion.

Serial Communications Board (Inner Board slot 1)

Port 1:

RS-232C

Terminating resistance

Applicable Connectors

switch

Socket: XM2SA-0901 (OMRON)

Hood: XM2SA-0911-E (OMRON)

(Two of each are included with the Board)

2-wire or 4-wire switch

Port 2:

RS-422A/485

2-1-1 Indicators

Board Indicators

RDY

COMM1

COMM2

There are three LED indicators on the Board, as described below.

RDY: Lit when the Board is operational (green)

COMM1: Lit when data is being sent or received on the RS-232C port (Yellow)

COMM2: Lit when data is being sent or received on the RS-442A/485 port (Yellow)

Indicator	Color	Status	Meaning
RDY	Green	Lit	Operating normally, and protocol macro
			preparations have been completed.
		Flashing	There is an error in the PC Setup settings for the
			Board or in the protocol macros contained in the
			Board.
		Not lit	A hardware error has occurred in the Board.
COMM1	Yellow	Flashing	Port 1 is being used for sending or receiving.
		Not lit	Port 1 is not being used for sending or receiving.
COMM2	Yellow	Flashing	Port 2 is being used for sending or receiving.
		Not lit	Port 2 is not being used for sending or receiving.

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