6.4 MODULE 4 - S ETPOINT O UTPUT P ARAMETERS ( 4-SPt )
4-SPt
SEL
PARAMETER MENU
Backlight
Unit Only
Pro
SPSEL
Setpoint
Select
Act-n
Setpoint
Action
SPt-n
Setpoint
Value
HYS-n
Hysteresis
Value
tON-n
On Time
Delay
tOF-n
Off Time
Delay
rSt-n
Output Reset
Action
rEn-n
Output Reset
With Display
Stb-n
Standby
Operation
brn-n
Probe
Burn-out
ChC-n
Change Display
Color with
Reset Enable
Output State
SPt-n ?
?
The Setpoint Output Parameters are only active when an optional output
module is installed in the meter.
SETPOINT SELECT
SETPOINT VALUE
-9999 to 99999
100
Enter the desired setpoint value. The decimal point position for the setpoint
SPSEL
?
NO
SP-1
SP-2
and hysteresis values follow the selection set in Module 1.
?
NO
Enter the setpoint (output) to be programmed. The n in the following
parameters will reflect the chosen setpoint number. After the chosen setpoint
is completely programmed, the display will return to SPSEL . Repeat steps for
each setpoint to be programmed. Select NO to exit the module. The number of
setpoints available is setpoint output card dependent.
SETPOINT 2 ENABLE
HYSTERESIS VALUE
HYS-n ? 1 to 59999
? 2
Enter desired hysteresis value. See Setpoint Output Figures for visual
explanation of how setpoint output actions (balanced and unbalanced) are
affected by the hysteresis. When the setpoint is a control output, usually
balanced hysteresis is used. For alarm applications, usually unbalanced
Enb-2
?
?
NO
YES
NO
hysteresis is used. For unbalanced hysteresis modes, the hysteresis functions on
the low side for high acting setpoints and functions on the high side for low
acting setpoints.
Note: Hysteresis eliminates output chatter at the switch point, while time delay
Select YES to enable Setpoint 2 and access the setup parameters. If NO is
can be used to prevent false triggering during process transient events.
selected, the unit returns to SPSEL and setpoint 2 is disabled.
ON TIME DELAY
Act-n ?
? HI-Ub
SETPOINT ACTION
HI-bL LO-bL HI-Ub
LO-Ub
tON-n ? 0.0 to 599.9 Sec
? 0.0
Enter the time value in seconds that the output is delayed from turning on
after the trigger point is reached. A value of 0.0 allows the meter to update the
Enter the action for the selected setpoint (output). See Setpoint Output
Figures for a visual detail of each action.
output status per the response time listed in the Specifications.
HI-bL
=
High Acting, with balanced hysteresis
OFF TIME DELAY
LO-bL
HI-Ub
LO-Ub
=
=
=
Low Acting, with balanced hysteresis
High Acting, with unbalanced hysteresis
Low Acting, with unbalanced hysteresis
tOF-n
?
?
0.0
0.0
to
599.9 Sec
Enter the time value in seconds that the output is delayed from turning off
after the trigger point is reached. A value of 0.0 allows the meter to update the
SP + ?Hys
SP + ?Hys
output status per the response time listed in the Specifications.
SP
SP - ?Hys
Hys
SP
SP - ?Hys
Hys
OUTPUT RESET ACTION
OFF
OUTPUT ON
STATE
TRIGGER POINTS
High Acting (Balanced Hys) =
OFF
HI-bL
OFF
OUTPUT ON
STATE
TRIGGER POINTS
Low Acting (Balanced Hys) =
OFF
LO-bL
rSt-n
?
?
Auto
Auto LAtCH L-dLY
Enter the reset action of the output. See figure for details.
Auto = Automatic action; This action allows the output to automatically reset off
SP - Hys
SP
Hys
SP + Hys
SP
Hys
at the trigger points per the Setpoint Action shown in Setpoint Output
Figures. The “on” output may be manually reset (off) immediately by the
front panel RST button or user input.The output remains off until the trigger
point is crossed again.
OUTPUT
STATE
OFF
ON
OFF
OUTPUT
STATE
OFF
ON
OFF
LAtCH = Latch with immediate reset action; This action latches the output on at
the trigger point per the Setpoint Action shown in Setpoint Output Figures.
TRIGGER POINTS
TRIGGER POINTS
Latch means that the output can only be turned off by the front panel RST
High Acting (Unbalanced Hys) =
HI-Ub
Low Acting (Unbalanced Hys) =
LO-Ub
button or user input manual reset, serial reset command or meter power cycle.
10
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