Bender FTC470XMB, Operating Manual

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Programming examples mode 2
87 TGH1367en/06.2010
The Modbus RTU Master mutes the buzzer of an MK2418 alarm indicator and test combina-
tion with address 22:
The Modbus RTU Master sends an appropriate command to FTC470XMB
(function 16, output data):
MK2418 acknowledges the buzzer mute (software 2.0 or higher
(function 3, input data)
8.5.1 Interrogating the FTC470XMB device type
For fault finding or commissioning, the following example can be helpful.
The device type of the protocol converter FTC470XMB with address 1 (= Master) is to be
interrogated.
The Modbus RTU Master interrogates FTC470XMB
(function 16, output data):
The Modbus RTU Master receives data type 203 as identification for FTC470XMB
(function 3, input data):
Word 1 Word 2 Word 3 Word 4 Word 5
H-Byte L-Byte H-Byte L-Byte H-Byte L-Byte H-Byte L-Byte H-Byte L-Byte
always
„0“
Consecutive
Modbus ID
No.
BMS address of
the addressed
device
BMS
channel
No.
always
„0“
BMS
com-
mand
always
„0“
BMS
data
type
BMS data value
0 17 22 0 0 14 0 0 0
Word 1 Word 2 Word 3 Word 4 Word 5
0 17 22 0 0 14 0 0 0
Word 1 Word 2 Word 3 Word 4 Word 5
H-Byte L-Byte H-Byte L-Byte H-Byte L-Byte H-Byte L-Byte H-Byte L-Byte
always
„0“
Consecutive
Modbus ID
No.
BMS address of
the addressed
device
BMS
channel
No.
always
„0“
BMS
com-
mand
always
„0“
BMS
data
type
BMS data value
0 1 1 0 0 20 0 0 0
Word 1 Word 2 Word 3 Word 4 Word 5
0 1 1 0 0 20 0 203 0