ABB 4690 User Manual page 32

4690 Series
Turbidity systems
Continued from previous page
– – – – –
Hold Outputs NO
YES
1 0 0 0
.
Test Retrans (%)
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0 0 0 0 0
Alter Sec. Code
0 0 0 0 0
Alter Cal. Code
- - - - -
SERIAL INTERFACE
30
Hold Outputs during Calibration
Select YES to hold the retransmission and alarm outputs to prevent inadvertent operation during
calibration.
Test Retransmission Output
The analyzer transmits automatically a test signal of 0, 25, 50, 75 or 100 % of the retransmission
range selected on page 29. The % test signal selected is shown on the upper display.
– for a selected range of 0 to 20 mA and 50 % retransmission test signal, 10 mA is
Example
transmitted.
Select the required retransmission test signal.
Alter Configuration Security Code
Set the security code to a value between 00000 and 19999.
Alter Calibration Security Code
Set the security code to a value between 00000 and 19999.
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Set Up Serial Interface
8 Configuration and Electrical Calibration
page.
IM/4690–EN Rev. A