Mitsubishi Electronics AJ65SBT-64AD user manual Offset/Gain Setting, Start

4SETUP AND PREPARATION BEFORE OPERATION

4.4 Offset/Gain Setting

MELSEC-A

When changing the I/O conversion characteristics, follow the procedure below.

START

Set all channels to any of "user range settings 1 to 3" in the sequence program.

Short the TEST terminals (across 8-9) to enter the test mode.

TEST

TEST

Power ON

Start data link.

Make sure that the "RUN" LED is off.

A

Every time the SELECT/SET switch is moved to "SELECT", the offset/gain adjusting LEDs lit change as shown below.

CH.1 2 3 4 OFFSET GAIN

CH1 offset

value setting

CH1 gain value setting

CH2 offset

value setting

CH2 gain

value setting

Change the lit offset/gain adjusting LEDs with the SELECT/SET switch, and make sure that the LED of the channel whose offset/gain will be set and the "OFFSET" LED are lit.

CH.1 2 3 4 OFFSET GAIN

LitLit

Add the voltage or current that will be the offset value.

For voltage	V		V+
		COM

	V+
	COM
For current	I+
	A

Move the SELECT/SET switch to "SET". Confirm that the "RUN" LED is lit* and release your hand.

RUN SELECT

Lit SET

Change the lit offset/gain adjusting LEDs with the SELECT/SET switch, and make sure that the LED of the channel whose offset/gain will be set and the "GAIN" LED are lit.

CH.1 2 3 4 OFFSET GAIN

LitLit

Add the voltage or current that will be the gain value.

For voltage	V		V+
		COM

	V+
	COM
For current	I+
	A

Move the SELECT/SET switch to "SET". Confirm that the "RUN" LED is lit* and release your hand.

RUN	SELECT
Lit	SET
		YES
Adjust other channels?			A

NO

Open the TEST terminals (across 8-9).

The "RUN" LED is lit.

TEST

TEST

Power OFF

END

*: If the "RUN" LED is not lit, E2PROM may have failed. For details, refer to Section 6.1.

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