Installation and Operation Manual
HL-10E Installation Manual Rev 1.03
11
Part Number MAN-000012
Modbus Packet Data Format
The Modbus module responds to an input register point type (4), at address 1000 with a length of eight bytes. The
Modbus device ID will match to the BinTrac Indicator station ID as configured in the setup menu of the BinTrac indicator.
A discovery must be done before any units will respond.
Below are sample Modbus request and response packets:
Sample Modbus Weight Request
[4c][02][00][00][00][06][0b][04][03][e7][00][08]
HEX
DESCRIPTION
DECIMAL
4c02
TRANSACTION ID
19458
0000
PROTOCOL ID
0
0006
# OF BYTES
6
0b
DEVICE ID
11
04
INPUT REG
4
03e7
ADDRESS
1000
00008
LENGTH
8
Sample Modbus Weight Response
[4c][02][00][00][00][13][0b][04][10][ff][ff][80][01][ff][ff][80][01][00][00][6b][6e][ff][ff][80][01]
HEX
DESCRIPTION
DECIMAL
4c02
TRANSACTION ID
19458
0000
PROTOCOL ID
0
0013
# OF BYTES
19
0b
DEVICE ID
11
04
INPUT REG
4
10
SIZE
16
ffff8001
BIN A
-32767
ffff8001
BIN B
-32767
00006b6e
BIN C
27502
ffff8001
BIN D
-32767
