Emerson Fisher 4320 Manual de instrucciones descargar pdf (Pagina 8)

Instruction Manual

D103621X012

4320 Position Monitor

April 2014

Table 4. Device Variables

INDEX

DEVICE VARIABLE

DESCRIPTION

DD Published To Gateway

(1)

0 Position PERCENT_OF_SPAN Travel (% of Calibration Output Span)

1 Closed/Low Limit Switch CLOSED_TRIGGER Reports Closed/Low condition (1 = Tripped, 0 = Not Tripped)

2 Opened/High Limit Switch OPEN_TRIGGER Reports Opened/High condition (1 = Tripped, 0 = Not Tripped)

3 Temperature DEVICE_TEMPERATURE Electronics Module Temperature (Degrees C)

4 Supply Voltage BATTERY_VOLTAGE Power Supply Output (Volts DC)

5 Set Point (on/off control only) SET_POINT Set Point (1 = Closed, 2 = Open)

6 Switch States SWITCH_STATE

Combines information in variables 1

and 2

(0 = Part Open, 1 = Closed,

2 = Opened, 3 = Unknown,

4 = Mid, 5 = High, 6 = Low)

7 Last Close Stroke Time CLOSE_STROKE_TIME Time the on/off controller took to previously close the valve

8 Last Open Stroke Time OPEN_STROKE_TIME Time the on/off controller took to previously open the valve

9 Timestamp 0 MESSAGE_0_TIMESTAMP Timestamp of burst message 0

10 Timestamp 1 MESSAGE_1_TIMESTAMP Timestamp of burst message 1

11 Timestamp 2 MESSAGE_2_TIMESTAMP Timestamp of burst message 2

12 Opened/High Dwell OPEN_DWELL_TIME The time the state has been/previously was in the open state.

13 Closed/Low Dwell CLOSED_DWELL_TIME The time the state has been/previously was in the closed state.

14 Transition Dwell PARTIALLY_OPEN_DWELL_TIME The time the state has been/previously was in the partially open state.

15 Cycle Counter CYCLE_COUNTS Cycle counted by the device

16 Scaled Position 16

Variable that can be configured to present the normalized (%) Position

signal in engineering units.

243 Battery Life Remaining BATTERY_LIFE Estimated battery life remaining

(days) - meaningless with

External Power option

244 PV % Range PERCENT_RANGE Copy of Variable 0 (%)

245 Loop Current CURRENT Always Indeterminate (not a number) (mA)

INDEX

DISCRETE VARIABLES

DESCRIPTION

DD Published To Gateway

0 Discrete Switch State DISCRETE_SWITCH_STATE Current state of the switch variable

(6 = Closed, 17 = Opening,

18 = Closing, 46 = Opened

48 = Unknown, 52 = Part-Open,

53 = Mid, 54 = High, 55 = Low)

Discrete Set Point

(On/Off Control only)

DISCRETE_SET_POINT Target value for the controlled variable

(4 = Close, 5 = Open,

6 = Closed, 46 = Opened)

1. 1410 gateway version 4.4.28 or later or 1420 gateway version 4.4.15 or later is required.

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Emerson Fisher 4320 Manual de instrucciones Pagina 8

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