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Hach sc200 - Actuating Relays

Hach sc200
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PAGE 36 PROGRAMMING EXAMPLES
Compressor failure and high tank level are fed to alarms 3 and 4. Since these are equipment problems, operations
technicians at 403-255-4437 and then 403-255-9545 are to be alerted. Follow the previous example to enter the
telephone numbers in Directory A and Directory B then set the alarms to use these two directories.
B1290: Enter Program Code
YOU: Select I/O Configuration
B1290: Enter Configuration Code
YOU: Select Using Directory
B1290: Alarm One is Directory...
YOU: Select Directory A
B1290: Alarm One is Directory A
YOU:  Next
B1290: Alarm Two is Directory...
YOU: Select Directory A
B1290: Alarm Two is Directory A
YOU:  Next
B1290: Alarm Three is Directory A
YOU: Select Directory B
B1290: Alarm Three is Directory B
B1290: Alarm Four is Directory A
YOU: Select Directory B
B1290: Alarm Four is Directory B
YOU: Quit
The B1290 is now programmed to dial Directory A when alarms 1 or 2 occur, and Directory B when alarms 3 or 4
occur.
Example 4: Actuating Relays
In this example, when you receive the alarm “High Pressure” from the B1290, you would like to be able to operate a
bypass valve for up to ten minutes. The valve can be controlled by one of the relays on the B1290 using Relay On
and Relay Off codes.
B1290: Enter Program Code
YOU: Select Voices
B1290: Enter Voice Code
YOU: Select Relay Voices
B1290: Relay One is...
YOU: Change
B1290: beep-beep
YOU: Bypass Valve
B1290: Relay One is Bypass Valve
YOU:  Next
B1290: Relay Two is...
YOU: Quit

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