Hardy Process Solutions HI 2160RC PLUS, Operation And Installation Manual

Page: 114 / 220

Chapter 6 - Setup
6-23
• If the default setting was selected (i.e. 0%), in a shutoff
alarm condition the controller goes to 0% of span output
signal which de-energizes the ON/OFF relay and shuts off
the feeder.
NOTE: The controller shuts of the feeder only, it does not close valves or de-activate other
machinery.
Step 1. Press the down arrow
↓
until the cursor is to the left of the
SHUTOFF OUT (%) Sub-Menu.
Step 2. To accept the default of 0%, press the Enter button to accept
the default percentage.
Step 3. Press the Clear button to clear the entry.
Step 4. Use the numeric keys to enter the Shutoff Out percentage.
Step 5. Press the Enter button to accept the new value.
Process
Example using
Rate Tolerances
(See Fig. 6-17)
1.2
1.8
1.3
1.4
1.5
1.6
1.7
A1 A2
A
B
C1
C
TIME
(SECONDS)
RATE TOLERANCES
RATE
FALLS
TO
10%
RATE
(LBS/MIN
FIG. 6-17 PROCESS GRAPH USING RATE TOLERANCES
• Set Point Rate: 1.5
• Rate Tolerance Settings:
• LO ALARM .2
• HI ALARM .2
• ALM TIME (SEC) 3
• LO SHUTOFF 1.2
• HI SHUTOFF 1.8
• SHUTOFF OUT% 10%
• Condition A:
• The rate went below the “LO ALARM’ level for more
than 3 seconds.
• The alarm output became active at point A
1
and stayed
active until cleared by the operator at point A
2
.
• Condition B: