FMS EMGZ Series, Руководство по эксплуатации

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Operating Manual EMGZ611A...614A
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Byte Use Value Meaning
0 initial parameter 0 (not used)
1 0 (not used)
2 0 (not used)
3 0 (not used)
12.4 Configuration
The configuration defines how many process data (byte and word) are sent during
the cyclic communication from the control system to the measuring amplifier and
from the measuring amplifier to the control system. To ensure maximum flexibility
using the measuring amplifier, there are different modules supplied. in a single
measuring amplifier only one module can be set active at a time.
Module 1: Basic telegram
4 bytes (2 words) are transmitted from the control system to the measuring
amplifier and also 4 bytes (2 word) from the measuring amplifier to the control
system in each data cycle.
Byte 0 Byte 1 Byte 2 Byte 3
request telegram
(master
 slave)
function code Channel
number
empty empty
response telegram
(slave  master)
function code
or error FFh
channel
number
data
(high byte)
data (low byte)
or error code
Module 2: Reserved
Module 3: Basic telegram and 4 word operation value
The measuring amplifier responses with 4 bytes of the basic telegram and the 4
words.
Byte 0 Byte 1 Byte 2 Byte 3
request telegram
(master
 slave)
function code channel
number
empty empty
response telegram
(slave  master)
function code channel
number
data
(high byte)
data (low byte)
or error code
Word 0 Word 1 Word 2 Word 3
Feedback Reference Controller Error Output
(HB)/(LB) (HB)/(LB) (HB)/(LB) (HB)/(LB)
Modul 4: Reserved