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5 Advanced Operations

E5@C Digital Temperature Controllers User’s Manual (H174)

5-13 Using the Transfer Output for the Process Value, Set Point, or other Data

5-13-1 Transfer Output Function

*2 This function can be set for a Position-proportional Model, but the setting will be disabled.

*3 This function can be set for standard control or for a Position-proportional Model, but the setting will be

disabled.

*4 This parameter is displayed only for a Position-proportional Model.

 Transfer Scaling

• Reverse scaling is possible by setting the Transfer Output Lower Limit parameter larger than the

Transfer Output Upper Limit parameter. If the Transfer Output Lower Limit and Transfer Output

Upper Limit parameters are set to the same value, the transfer output will be output continuously

at 0%.

• If the SP, SP during SP ramp, or PV is selected, the Transfer Output Upper Limit and Transfer

Output Lower Limit parameters will be forcibly initialized to the respective upper and lower setting

limits if any of the following parameters is changed: Input Type, Scaling Upper Limit, Scaling

Lower Limit, Set Point Upper Limit, Set Point Lower Limit, or Temperature Unit.

If the MV for heating or MV for cooling is selected, the Transfer Output Lower Limit and Transfer

Output Upper Limit parameters will be initialized to 100.0 and 0.0, respectively, when a switch is

made between standard control and heating/cooling control using the Standard or

Heating/Cooling parameter.

• The output current when transfer output signal is set to 4 to 20 mA, the transfer output upper limit

is set to 90.0, and the transfer output lower limit is set to 10.0 is shown in the following graph.

• For scaling from 0.0% to 100.0%, the output for −5.0 to 0.0 will be the same value as for 0.0%, and

the output for 100.0 to 105.0 will be the same value as for 100.0%

1009010

Output current (mA)

MV (%)

Transfer output

lower limit

Transfer output

upper limit

(The above graph is for when transfer output signal is set to 4 to 20 mA.)

Omron E5*C-B Series User Manual

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