Operating Instructions
– LBA63 TOLL HIGHWAYS – 2019 Version
51
14.4 Exchange table:
The Modbus exchange table for the board is as follows:
Data
Data type
Direction
Type
Address
Description
Controls
Boolean
Read
Coil
0
Open command
(0 = non-active; 1 = active)
Boolean
Read
Coil
1
Close command
(0 = non-active; 1 = active)
Boolean
Read
Coil
2
Reserved
Boolean
Read
Coil
3
Reserved
Boolean
Read
Coil
4
Reserved
Boolean
Read
Coil
5
Reserved
Boolean
Read
Coil
6
Reserved
Boolean
Read
Coil
7
Reserved
Boolean
Read
Coil
8
Reserved
Boolean
Read
Coil
9
Reserved
Boolean
Read
Coil
10
Reserved
Boolean
Read
Coil
11
Reserved
Boolean
Read
Coil
12
Reserved
Boolean
Read
Coil
13
Reserved
Boolean
Read
Coil
14
Reserved
Boolean
Read
Coil
15
Reserved
Statuses
Boolean
Read/Write
Input
Discretes
0
Barrier open
(0 = non-open; 1 = open)
Boolean
Read/Write
Input
Discretes
1
Barrier closed
(0 = non-closed; 1 = closed)
Boolean
Read/Write
Input
Discretes
2
Unhinged barrier
(0 = unhinged; 1 = non-unhinged)
Boolean
Read/Write
Input
Discretes
3
Barrier in fault
(0 = not in fault; 1 = fault)
Boolean
Read/Write
Input
Discretes
4
Open command status (CTM)
(0 = non-active; 1 = active)
Boolean
Read/Write
Input
Discretes
5
Closed command status (CTM)
(0 = non-active; 1 = active)
Boolean
Read/Write
Input
Discretes
6
Open command status (Modbus)
(0 = non-active; 1 = active)
Boolean
Read/Write
Input
Discretes
7
Closed command status (Modbus)
(0 = non-active; 1 = active)
Boolean
Read/Write
Input
Discretes
8
Safety loop status
(0 = no detection; 1 = detection)
Boolean
Read/Write
Input
Discretes
9
IR cell status
(0 = no detection; 1 = detection)
Boolean
Read/Write
Input
Discretes
10
Free opening loop status
(0 = no detection; 1 = detection)
Boolean
Read/Write
Input
Discretes
11
FAP activation status
(0 = non-active; 1 = active)
Boolean
Read/Write
Input
Discretes
12
FAT activation status
(0 = non-active; 1 = active)
Boolean
Read/Write
Input
Discretes
13
Reserved
Boolean
Read/Write
Input
Discretes
14
Reserved
Boolean
Read/Write
Input
Discretes
15
Reserved
Cycles
Double
word
Read/Write
Holding
Register
0-1
Number of cycles
Double
word
Read/Write
Holding
Register
2-3
Number of unhingings