User Manual

Modbus Interface Specifications
2
Modbus Data Model
41
Building Technologies
A6V10316242_a_en
CPS Fire Safety
31.05.2019
MDIO – MD20 Input/Output
WT_MDIO (Input registers, default base address: 4000)
Bit
Information
Notes
0 (lsb)
Non-default mode
Abnormal mode resulting in a reduced safety
1-7
-
Not used
8
Non-default value
Abnormal condition resulting in a reduced safety
9-12
-
Not used
13
Fault
Input is faulty
14
-
Not used
15
Active
Input or Output is active
Function – Standard / Stop fan / Fire technical / Technical / Rearming
functions
WT_Function (Input registers, default base address: 5000)
Bit
Information
Notes
0 (lsb)
Non-default mode
Abnormal mode resulting in a reduced safety
1-6
-
Not used
7
Locked
Function locked
8
Non-default value
Function locked without fault
9-11
-
Not used
12
Wait position failed
Wait position fault
13
Fault
14
In command or
Safety position
15
Safety position failed
Safety position fault
Extinguishing Function
WT_ExtFunction (Input registers, default base address: 6000)
Bit
Information
Notes
0 (lsb)
Non-default mode
Abnormal mode resulting in a reduced safety
1-7
-
Not used
8
Non-default value
Abnormal condition resulting in a reduced safety
9-11
-
Not used
12
System fault
Extinguishing fault report
13
Fault
14-15
-
Not used