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Spectrum Controls 1769sc-HART Modules User Manual

Page 72

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Compact IO™ Isolated HART Analog Output Module

User’s Manual 0300217-03 Rev. A

7-6

Table 7-2 (HART Packet 1)

Tag Name

Data Type

Style

Description

If4ih0Packet1

1

Packet1[4,1] NA

Two dimensional array containing
packet 1 data for all 4 channels.

If4ih0Packet1[X,0]

1

Packet1

NA

Packet 1 data for channel X

If4ih0Packet1[X,0].HartChannelID

INT

BIN

Bits 0 to 3: Channel number (0 – 3).
Bit 4: Searching/Initializing HART device
Bit 5: HART communication failure or
device not found
Bit 6: Pass-through message pending
(ready)
Bit 7: Unused (0)
Bits 8 to 10: Packet ID
Bit 11 through 15: Unused

If4ih0Packet1[X,0].HartCommStatus

SINT

BIN

HART communication stat us byte. Refer to

appendix D for more details.

If4ih0Packet1[X,0].HartDevStatus

SINT

BIN

HART device status byte. Refer to appendix D

for more details.

If4ih0Packet1[X,0].HartPV

REAL

FLOAT

HART Primary Variable

If4ih0Packet1[X,0].HartSV

REAL

FLOAT

HART Secondary Variable

If4ih0Packet1[X,0].HartTV

REAL

FLOAT

HART T ertiary Variable

If4ih0Packet1[X,0].HartFV

REAL

FLOAT

HART Fourth Variable

If4ih0Packet1[X,0].HartPVUnits

SINT

DEC

HART Primary Variable units code

If4ih0Packet1[X,0].HartSVUnits

SINT

DEC

HART Secondary Variable units code

If4ih0Packet1[X,0].HartTVUnits

SINT

DEC

HART T ertiary Variable units code

If4ih0Packet1[X,0].HartFVUnits

SINT

DEC

HART Fourth Variable unit s code

If4ih0Packet1[X,0].PV_Assignment

SINT

DEC

HART Primary Variable code

If4ih0Packet1[X,0].SV_Assignment

SINT

DEC

HART Secondary Variable code

If4ih0Packet1[X,0].TV_Assignment

SINT

DEC

HART T ertiary Variable code

If4ih0Packet1[X,0].FV_Assignment

SINT

DEC

HART Fourth Variable code

If4ih0Packet1[X,0].RangeLow

REAL

FLOAT

Low transmitter range for analog signal in
engineering units

If4ih0Packet1[X,0].RangeHi

REAL

FLOAT

High transmitter range for analog signal in
engineering units

If4ih0Packet1[X,0].Pad

SINT[4]

DEC

Packet pad (32 bit alignment)

1

X represents the module channel number (0 to 3)