10-104
Handling, Diagnostic and Service Functions
MPH-02, MPB-02, MPD-02
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
Last step:
Ta0013 f1.fh7
useful data
tel. header
control
byte
device
address
param.
type
useful data
header
3C
..
..
..
..
..
..
243 data bytes
..
parameter no.
(LSB) (MSB)
..
..
..
Fig. 10-73: Writing with sequential
command
telegram (step3)
Ta0014f1.fh7
tel. header
status
byte
control
byte
device
address
useful data header
..
3C
..
Fig. 10-74: Writing with sequential
reaction
telegram (step3)
Service 0x80 Read Access (with Sequential Telegrams)
Parameters or elements the length of which exceeds the max. data field
length of 245 byte are read in several steps. Bit 2 in the control byte of the
reaction telegram marks the current transmission step as the current or
last transmission.
The figures below illustrate the control word for a transmission in several
steps.
1
st
step:
tel. header
control
byte
device
address
param.
type
parameter no.
(LSB) (MSB)
useful data header
3C
..
..
..
..
Ta0007f1.fh7
Fig. 10-75: Sequential
command
telegram1
Ta0008f1.fh7
useful data
tel. header
status
byte
control
byte
device
address
useful data header
..
38
..
..
..
..
..
..
245 data bytes
Fig. 10-76: Sequential
reaction
telegram1
2
nd
step:
Courtesy
of
CMA/Flodyne/Hydradyne
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Control
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426-5480
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