Endress+Hauser Liquisys M CXM 223, Руководство по эксплуатации

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5 Operation Liquisys M CXM 223 / 253 HART
22 EHauser
44 Write unit of the main
measured value
Access type = Write
Specify the unit of main measured value. Only
units which are suitable for the process variable
are accepted by the device:
Byte 0: HART
®
unit ID
!
Note!
• The display unit of the instrument cannot
really be changed. This command only exists
for compatibility reasons.
– Byte 0: HART
®
unit ID
!
Note!
Manufacturer-specific units for HART
®
see table
→
page 23
48 Read extended device status
Access type = Read
none Coding: see table
→
page 26
59 Specify number of preambles
in message responses
Access type = Write
This parameter specifies the number of
preambles which are inserted in the message
responses:
Byte 0: number of preambles (5...20)
– Byte 0: number of preambles
108 Burst mode command
Write number
Access type = Write
The specified command is automatically
executed in burst mode.
Byte 0: number of command
– Byte 0: number of command
109 Burst mode control
Access type = Write
The burst mode can be controlled by the byte
transmitted.
Byte 0: Burst control byte
0 = Off
1 = On
– Byte 0: Burst control byte
Device-specific commands
142 Read display format
Access type = Read
Reads the number of places behind the
decimal point of the Commuwin II matrix
position.
Byte 0: VH position
lower 4 bits: H
upper 4 bits: V
– Byte 0: VH position
– Byte 1: Places behind the decimal point
144 Read VH matrix variable
Access type = Read
Reads the Commuwin II variables with this
command.
– Byte 0: VH position
lower 4 bits: H
upper 4 bits: V
– Byte 0: VH position
lower 4 bits: H
upper 4 bits: V
– Byte 1: HART
®
unit ID
– Byte 2 ... n: VH variable
145 Write VH matrix variable
Access type = Write
Writes the Commuwin II variables with this
command.
– Byte 0: VH position
lower 4 bits: H
upper 4 bits: V
– Byte 1: HART
®
unit ID
– Byte 2 ... n: VH variable
– Byte 0: VH position
lower 4 bits: H
upper 4 bits: V
– Byte 1: HART
®
unit ID
– Byte 2 ... n: VH variable
148 UPLOAD
Access type = Read
Reads EEPROM data from instrument
connected.
Byte 0 ... 3: Segment number as ASCII code
– Byte 0 ... 3: Segment number as ASCII code
– Byte 4 ... 24: max. 21 ASCII signs
Command No.
HART
®
command / Access type
Command data
(numeric data in decimal form)
Response data
(numeric data in decimal form)