bihl+Wiedemann AS-i/Modbus Gateway, User Manual, Page: 43 / 60

AS-i/Modbus Gateway Operation via Modbus
Subject to reasonable modifications due to technical advances Copyright Bihl+Wiedemann, Printed in Germany
Bihl+Wiedemann GmbH · D-68199 Mannheim · Tel. +49-621-339960 · Fax +49-621-3392239 · Internet http://www.bihl-wiedemann.de
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s
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e
d
a
te
1
1
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.2
0
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43
7.3.12 Function 65: user defined function #1
This function is used to read the name and version of AS-i/Modbus gateway:
P: Defines the part of version-information.
B: Number of data-bytes D1 to DB
D
1
... D
B
: Version-information as null-terminated string.
P = 1: Name of the master (32 characters, B = 33).
P = 2: Version of the master (16 characters, B = 17).
P = 3: Installed software (32 characters, B = 33).
else: Version number (8 characters, B = 9).
“ Installed software ” is a string holding the capability of Host-Interface and AS-i master
as upper- and lower-chase characters.
The single characters have the following significance:
The position of the characters within the string is defined as follows:
„CBFE....DOA...WT“
7.3.13 Function 66: user defined function #2
This function is used to write the Control programs for AS-i Control (download).
S: First address of program-bytes to write.
D: 16 program-bytes.
query message: A 65 1 P C
q,lo
C
q,hi
response message: A 65 B D
1
D
B
C
r,lo
C
r,hi
D/d “ data_exchange_active ” is set (D) or cleared (d).
O/o “ offline ” is set (O) or cleared (o).
A/a “ auto_address_enable ” is set (A) or cleared (a).
W/w The Modbus-watchdog is active (W) or inactive (w).
T/t The AS-i master front panel buttons are enabled (T) or disabled (t).
C/c The answering master is an AS-i Control. An uppercase (C) indicates an
active control-program, while a lowercase (c) a cleared start-flag or an unfit-
ting AS-i Master state for control-program execution.
B/b The AS-i master is bus-capable (B).
The Modbus-master ever signs (B).
F/f The answering master is supplied witch the optional AS-i error counter.
E/e The answering master is capable of the optional EMC-testmode.
query message: A 66 18 S
hi
S
lo
D
1
D
16
C
q,lo
C
q,hi
response message: A 66 2 S
hi
S
lo
C
r,lo
C
r,hi