MODBUS-GW Installation and Operation Manual —
P/N LS10015-000NF-E:C2 4/30/2019
37
Bell Circuits Device Type Holding Registers
Register Mapping
5.6 Bell Circuits Device Type Holding Registers
Each bell circuits device type holding register address consists of two bytes (upper and lower) as defined in
representing two
bell circuits as shown in
.
5.7 Panel Status Holding Register
The panel status holding register is divided into an upper and lower byte as described below and in
representing one register
address as shown in
.
•
Silence
: The fire alarm control panel is silenced when this bit is set to 1.
•
Reset
: Not used.
Table 5.11 Bell Circuits Device Type Holding Register Bit Definitions
Upper Byte
Lower Byte
Bit No.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Device Types
Table 5.12 Bell Circuit Device Type Holding Register Addresses
Start Address
End Address
Device Address
Device Address
49410
49410
Bell Circuit 2
Bell Circuit 1
49411
49411
Bell Circuit 4
Bell Circuit 3
Table 5.13 Panel Status Holding Register Bit Definitions
Upper Byte
Lower Byte
Bit No.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit
Name
Not Used
Silence Reset
Table 5.14 Panel Status Holding Register Addresses
Start Address
End Address
Description
49500
49500
Panel Status Holding Register
