
Publication 1794-UM064B-EN-P - May 2014
128 Additional HART Protocol Information
Common Practice Commands
Command Data in Command Data in Reply
# Function Byte Data Type
(5)
Byte Data Type
(5)
33 Read transmitter
variables
—None
(2)
— 0 Transmitter variable code
for slot 0
—
1 Units code for slot 0
2…5 Variable for slot 0 (F)
6 Transmitter variable code
for slot 1
—
7 Units code for slot 1
8…11 Variable for slot 1 (F)
12 Transmitter variable code
for slot 2
(6)
—
13 Units code for slot 2
14…17 Variable for slot 2 (F)
18 Transmitter variable code
for slot 3
—
19 Units code for slot 3
20…23 Variable for slot 3 (F)
34 Write damping value 0…3 Damping value (seconds) (F) — As in command (F)
35 Write range values 0 Range units code — — As in command (F)
1…4 Upper range value (F) —
5…8 Lower range value (F)
36 Set upper range value
(push SPAN button)
—None — —None —
37 Set lower range value
(push ZERO button)
—None — —None —
38 Reset configuration
changed flag
—None — —None —
39 EEPROM control 0
(1)
EEPROM control code — — As in command —
40 Enter/edit fixed current
mode
0…3 Current (mA)
(3)
(F) — As in command —
41 Perform device
self-test
—None — —None —
42 Perform master reset — None — — None —
43 Set (trim) PV zero — None — — None —
44 Write PV units 0 PV units code — — As in command —
45 Trim DAC zero 0…3 Measured current (mA) — — As in command —
46 Trim DAC gain 0…3 Measured current (mA) (F) — As in command —
47 Write transfer function 0 Transfer function code — — As in command —
Comentarios a estos manuales