User Manual

Compact IO™ Isolated HART Analog Input Module
U ser 's M a n u a l 0 300 21 5- 03 R ev. A
7-6
Table 7-2 (HART Packet 1)
Tag Name
Data Type
Style
Description
If4ih0Packet1
1
Packet1[4,1] N A Two dimensional array containing packet
1 data for al l 4 channel s.
If4ih0Packet1[X,0]
1
Pac ket 1 NA P acket 1 data f or channel X
If4ih0Packet1[X,0].HartChannelID IN T BIN
B it s 0 t o 3: C hannel numbe r (0 – 3).
Bit 4: Sea rc hing/Initializing HAR T device
Bit 5: HART c ommunic at ion failur e or
de vice not found
B it 6 : Pa ss-through mess age pendi ng (ready)
Bit 7: Unuse d ( 0)
B it s 8 t o 10 : Pa cke t ID
B it 1 1 t hrough 15: Unused
If4ih0Packet1[X,0].HartCommStatus SINT BIN
HAR T communicat ion st atu s byte. Refer to appendix D
for mo re details.
If4ih0Packet1[X,0].HartDevStatus SINT BIN
HART device stat us byte. Refer to appendix D for m ore
details.
If4ih0Packet1[X,0].HartPV REAL F LOAT
HART Primary Variable
If4ih0Packet1[X,0].HartSV REAL F LOAT
HART Secondary Variable
If4ih0Packet1[X,0].HartTV REAL F LOAT
HA RT T e rt iar y V ar ia b le
If4ih0Packet1[X,0].HartFV REAL F LOAT
HA RT F o u rt h Va r ia ble
If4ih0Packet1[X,0].HartPVUnits SINT DEC
HART Pri mary Variable units code
If4ih0Packet1[X,0].HartSVUnits SINT DEC
HART Secondary Variable units code
If4ih0Packet1[X,0].HartTVUnits SINT DEC
HART Te rtiary Variable units code
If4ih0Packet1[X,0].HartFVUnits SINT DEC
HA RT F o u rt h Va r ia ble un its c o de
If4 ih0 Pa cket1 [X, 0 ].PV_ As sign me nt SINT D EC
HART Primary Variable code
If4 ih0 Pa cket1 [X, 0 ].SV_ As sign me nt SINT D EC
HART Secondary Variable code
If4ih0Packet1[X,0].TV_Assignment SINT DEC
HART Tert iary Variab le code
If4ih0Packet1[X,0].FV_Assignment SINT DEC
HA RT F o u rt h Va r ia ble c o d e
If4ih0Packet1[X,0].RangeLow REAL F LOAT
Low t r ansmi tt er range for analog signal i n
e ngineering units
If4ih0Packet1[X,0].RangeH i REAL F LOAT
High t rans mi tte r ra nge f or a nalog signal in
e ngineering units
If4ih0Packet1[X,0].Pad SINT[4] D EC
Packet pad (32 bit alignment )
1
X re prese nt s th e m o dul e ch ann el n um b er (0 t o 3 )