Tyco FlameVision FV300 SERIES - Ordering Information

ANNEX A - MODBUS OVERVIEW
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The Modbus parameters are configured on the Network tab of the PC300 configuration tool.
Note: When Modbus is enabled or disabled or if the network parameters are changed
then the detector needs to be powered down and up or restarted from the
configuration tool to activate the new settings.
A1.4 SUPPORTED MODBUS FUNCTION CODES
The FV300 supports the following MODBUS Function Codes:
A1.4.1 FV300 REGISTERS
The FV300 has one block of 16 bit registers used for MODBUS access organised as
follows:
Code Function
03 Read Holding Registers
04 Read Input Registers
06 Write Single Register
16 Write Multiple Registers
Offset Register Data Read/Write (R/W)
00
Commands
See 1.4.2 R/W
01
Reserved
02
Reserved
03
Reserved
04
Reserved
05
Reserved
06
Reserved
07
Reserved
08
Overall Status
See 1.4.3 R
09
4-20mA level 4-20mA level x 1000
e.g. Alarm=17mA,Value=17000
R
10
1
st
Cluster state
0CS R
11
1
st
Cluster centre
X (0-255) Y (0-255) R
12
1
st
Cluster size
SX (0-255) SY (0-255) R
13
2
nd
Cluster state
0CS R
14
2
nd
Cluster centre
X (0-255) Y (0-255) R
15
2
nd
Cluster size
SX (0-255) SY (0-255) R
16
3
rd
Cluster state
0CS R
17
3
rd
Cluster centre
X (0-255) Y (0-255) R
18
3
rd
Cluster size
SX (0-255) SY (0-255) R
19
4
th
Cluster state
0CS R
20
4
th
Cluster centre
X (0-255) Y (0-255) R
21
4
th
Cluster size
SX (0-255) SY (0-255) R
Table. 6
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