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Diagnostics functions – Hach-Lange SI794 D tr User Manual User Manual

Page 76

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Relay test (manual test of contacts)

• Press conf, enter code 5557

The relays are frozen. This state is indicated in the

display. The 4 digits in the display correspond to the

4 relays (as located on the terminal plate):

1. digit: R1

2. digit: R2

3. digit: AL

4. digit: CLN

Function test using arrow keys – see left column.

When exiting the function (enter), the relays are set

corresponding to the measured value.

Select a

relay

Specify current at output 1

• Press conf, enter code 5555

The current indicated in the main display for output 1

can be edited.

Select position using , edit number using ,

press enter to confirm. Then the entered value will

be shown in the secondary display.

The transmitter is in Hold mode.

Press conf, then enter to return to measurement

(Hold remains active for another 20 sec).

Diagnostics functions

These functions are used for testing the connected peripherals.

Display

Action / Remarks

Specify current at output 2

• Press conf, enter code 5556

The current indicated in the main display for

output 2 can be edited.

Select position using , edit number using ,

press enter to confirm. Then the entered value will

be shown in the secondary display.

The transmitter is in Hold mode.

Press conf, then enter to return to measurement

(Hold remains active for another 20 sec).

Test 0/1

Return to

measure-

ment

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