参数资料
型号: PAXCDS10
厂商: Red Lion Controls
文件页数: 3/4页
文件大小: 0K
描述: DUAL POINT RELAY OUTPUT CARD
标准包装: 1
系列: PAXCDS
附件类型: 设定点输出卡
技术规格: 双继电器
适用于相关产品: PAX 量表
其它名称: Q1652815A
"DU O ? E& )* "C E& -0 )* "C C"/E -0 "6 UPU-P )* "6 UPU)* -0
41 O ?
a      also be entered in the Display Mode during Program Lock-
SETPOINT ACTION
0''
a 0'' Enter the action for the selected setpoint (alarm output).
See Setpoint Alarm Figures for a visual detail of each action.
SETPOINT VALUE
      to      
Enter desired setpoint alarm value. These setpoint values can
out when the setpoint is programmed as &OU in Parameter
):4 O ? Enter desired hysteresis value. See Setpoint Alarm Figures
0''
"C )*
"C -0
"6 )*
"6 -0
E& )*
E& -0
C"/E
UPU-P
UPU)*
=
=
=
=
=
=
=
=
=
=
Setpoint always off, (returns to SPSEL NO)
Absolute high, with balanced hysteresis
Absolute low, with balanced hysteresis
Absolute high, with unbalanced hysteresis
Absolute low, with unbalanced hysteresis
Deviation high, with unbalanced hysteresis *
Deviation low, with unbalanced hysteresis *
Outside band, with unbalanced hysteresis *
Lower Totalizer absolute high, unbalance hysteresis**
Upper Totalizer absolute high, unbalance hysteresis**
Module 3. When a setpoint is programmed as deviation or
band acting, the associated output tracks TQ  as it is changed.
The value entered is the offset, or difference from TQ  .
HYSTERESIS VALUE
  to      
a     for visual explanation of how setpoint alarm actions (balance
and unbalance) are affected by the hysteresis. When the
setpoint is a control output, usually balance hysteresis is
used. For alarm applications, usually unbalanced hysteresis
is used. For unbalanced hysteresis modes, the hysteresis
* Deviation and band action setpoints are relative to the value of setpoint 1. It
is not possible to configure setpoint 1 as deviation or band actions. It is
possible to use setpoint 1 for an absolute action, while its value is being used
for deviation or band.
** The lower Totalizer action UPU-P allows setpoints to function off of the
lower 5 digits of the Totalizer. The upper Totalizer action UPU)* allows
setpoints to function off of the upper 4 digits of the Totalizer. To obtain
absolute low alarms for the Totalizer, program the UPU-P or UPU)* output logic
as reverse.
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 can be used to prevent false
triggering during process transient events.
Setpoint Alarm Figures
With reverse output logic
S&W , the below alarm states are opposite.
Absolute High Acting (Balanced Hys) =
"C )*
Absolute Low Acting (Unbalanced Hys) =
"6 -P
Band Outside Acting =
C"/E
Absolute Low Acting (Balanced Hys) =
"C -P
Deviation High Acting (SP > 0) =
E& )*
Deviation High Acting (SP < 0) =
E& )*
Absolute High Acting (Unbalanced Hys) = "6 )*
This is also for Totalizer alarms: UPUMP , UPU)*
Deviation Low Acting (SP > 0) =
E& -P
Deviation Low Acting (SP < 0)=
E& -P
3
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