S A G E M E T E R I N G , I N C .
O p e r a t i o n s a n d I n s t r u c t i o n M a n u a l
50
MENUING ITEMS
620
RELAYS
621
Set RY#1 Off
622
Set RY#1 On
623
Set RY#2 Off
624
Set RY#2 On
Setpoints or timer functions #630-638 may be ad -
justed only after they are assigned to relay contacts
#621-624. First select Relay #1 or Relay #2 and the
desired coil activation, On or Off. Each relay selec-
tion requires a function for proper operation. It is
required that users program the relay settings in
sequence #621..#624 and assign functions to each
setting. If a relay will be unused, assign #630
(Disabled) to the Relay On and Relay Off setpoints.
ALARM FUNCTION OPERATION
Disable
—Used to ignore any alarm con ditions
or latch a relay contact until reset with
powerup.
Trip High Flow
—User must enter the
Flow Rate the meter will activate if
greater than or equal to the entered
value.
Trip Low Flow
—User must enter the
Flow Rate the meter will activate if less
than or equal to the entered value.
Trip High Temp
—User must enter the
Flow Tem pera ture the meter will activate
if greater than or equal to the entered value.
Trip Low Temp
—User must enter the Flow
Tem perature the meter will activate if less than
or equal to the entered value.
Total Delta
—User must enter the Flow Total
Dif fer ence to activate if equal to the entered
value. Total izer is not reset, but an internal
counter resets and increments to prepare for
next activation condition.
Timer
—User enters a timer value which is 20 milli -
seconds x value in duration to activate a relay con -
dition regardless of flow or temperature. Value can be
in the range of 1-65000 to yield .02-1300 seconds. Use
to latch an alarm condition with auto-timeout reset.
Keypress
—Meter will activate alarm/relay on manual
press of the Keypad UP button. Use to change an
alarm condition while meter is in Flow Display mode.
Delay Time
—User must enter a value to set hysteresis
trip time value. All relay trip settings require this value
(see Timer for values and range) for proper operation.
The trip condition must exist for at least Delay Time
value, before the Trip condition will activate. This is
used to minimize the effects of false triggering of the
alarms from spurious peaks in flow or temperature.
EXAMPLES
NOTE:
The steps in setting the Relay Menu items
needs to be followed in the exact sequence for Relay
Settings to function properly, as noted in the exam-
ples below.
Example 1: DEACTIVATE RELAY(S)
Relay #2
—Enter Menu item #623 to assign a new
function. Enter #630 (Disable) for function assign-
ment. Next Enter item #624 for next function assign-
ment. Then enter #630 (Disable) to keep the relay coil
from activating from any alarm condition.
Example 2: TRIP HIGH
Relay #1
—Trip on high flow of 1000
SCFM for more than 1 second, then latch
and hold until UP button on the keypad
is pressed—Enter #621 for function assign -
ment. Enter #637 (Keypress). Enter #622
to set the coil activation condition. Enter
#631 (Trip High Flow) and enter 1000
when prompted. Enter #638 (Delay Time)
to set hysteresis trip time. Then enter 50
when prompted. (50 x .02sec = 1sec)
Example 3: PULSED OUTPUT OF TOTALIZED FLOW
Relay #2
—Trip relay on for .5 sec every 100 SCF
accumulated in totalizer—Enter #623. Then #636
to set auto timer function to deactivate the relay
coil. Enter 25 when prompted to assign .5sec to relay
function. Enter #624 then enter #635 and 100 when
prompted. Enter #638 (Delay Time) to set hysteresis
time. Then enter 1 when prompted for minimum trip
time setting. (For Relay #1, substitute 621 for 623 and
substitute 622 for 624 in above example.) Note: It is
best to use NO (normally open) for the above “accu-
mulate total” (pulsed output) example
(see page 51
for wiring).
1
Before powering down flow meter, Type 100 at the prompt to “Save” settings.
Pulsed Outputs, Alarms, Relays and Timer Settings
1
(NOTE: RELAYS MUST BE PROGRAMMED USING VIP, RATHER THAN THE KEYPAD)
FUNCTIONS
630
Disable
631
Trip High Flow
632
Trip Low Flow
633
Trip High Temp
634
Trip Low Temp
635
Total Delta
636
Timer
637
Keypress
638
Delay Time
1
2
3
4
5
6
Relay Board
R E L AY # 2
R E L AY # 1
N
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REV. 03-SIE/SRE
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