User Manual

Modbus Interface Specifications
2
Modbus Data Model
21
Building Technologies
A6V10316242_a_en
CPS Fire Safety
31.05.2019
Section
WT_Section (Input registers, default base address: 6100)
Bit
Information
Notes
0 (lsb) -
3
—
Default range for possible abnormal mode
1-3
—
Not used
4
WalkTest
Walk test active, all zones in Walk test
5
—
Not used
6
Test
All zones in test mode
7
Off
All zones excluded
8
Non-default value
Abnormal condition resulting in a reduced safety. For example, if
alarming is excluded while keeping the fault supervision on, or all
zones in Alarm verification are off.
Note that manual zones cannot be in this state, so that it is
intended that a section without manual zones is selected.
9-15
—
Not used
Detection Zone
WT_Zone (Input registers, default base address: 1500)
Bit
Information
Notes
0 (lsb)
Non-default mode
Default range for possible abnormal mode
1-3
—
Not used
4
WalkTest
Walktest active
5
—
Not used
6
Test
Set in test mode
7
Off
Excluded
8
Non-default value
Abnormal condition such as zone not ready or other states
resulting in a reduced safety
9-13
—
Not used
14
Pre-alarm
Pre-alarmed
1)
15
Alarm
Alarmed
1)
1)
If the Channel Delegation option is configured, the Pre-alarm and Alarm events are on the
element level (not the Zone level).
Detection element (logical channel)
WT_LogCh (Input registers, default base address: 2500)
Bit
Information
Notes
0 (lsb)
Non-default mode
Default range for possible abnormal mode
1-5
—
Not used
6
Test
Set in test mode
7
Off
Excluded
8
Non-default value
Abnormal condition resulting in a reduced safety
9-10
—
Not used