KROHNE UFC 500 HART User Manual
Page 35
HARTô Smart Communications Protocol
UFC500 Command Specification Rev: 2.0 Release Date: 9 Jun 2001
© 2001 KROHNE Mefltechnik D-47058 Duisburg
Page
35
#16
#17
#18
#19
TIME
TIME
UNIT
UNIT
FACTOR
FACTOR
MSB
LSB
Data Byte #0
Language used for text presentation on the local screen of the instrument:
0 - Gr.Britain/USA,
1 - German.
Data Byte #1
Defines whether the device outputs are frozen during direct instrument control via keypad, or
not:
0 - ìYesî,
Any other value - ìNoî.
Data Byte #2
Totalizersí reset control:
0 - Reset is disabled,
Any other value - Reset is enabled.
Data Byte #3-#8
ASCII-text, specifying user-defined volume unit.
Data Byte #9-#11
ASCII-text, specifying user-defined time unit.
Data Byte #12-#15
Scaling factor for user-defined volume unit, relative to cubic meters, IEEE 754. Refer to
Table 9.3, Factors for Volume.
Data Byte #16-#19
Scaling factor for user-defined time unit, relative to seconds, IEEE 754. Refer to Table 9.4,
Factors for Time.
NOTE: For ASCII-strings the following characters are allowed (i.e. will be interpreted by display module): A..Z, a..z,
0..9, м+о, м-о and underscore symbol м_о. Each text-field should be completely filled with acceptable symbols: say, for
ìhoursî time unit мhr_о-specifier should be used instead of ìhrî.
CAUTION: Scaling factors are not checked by transmitter and must not be zeroes!
COMMAND-SPECIFIC RESPONSE CODES
0
No Command-Specific Errors
1
Undefined
2
Invalid Selection (of Language)
3-4
Undefined
5
Too Few Data Bytes Received
6
Local Device User
7
In Write Protect Mode
8-127
Undefined