User Manual

7-4 Using Datalinks with All Protocols
20-COMM-H RS-485 HVAC Adapter User Manual
Publication 20COMM-UM009D-EN-P
Modbus Datalinks In: A…D
Using Datalinks with Metasys
N2
This section presents information about using Datalinks with Metasys N2
networks. For information about using Datalinks for Modbus networks or
Siemens P1 FLN networks, refer to the Using Datalinks with Modbus
and
Using Datalinks with Siemens P1 FLN
sections in this chapter.
Table 7.E Modbus Datalinks In - A1, A2
Modbus
Address Data Direction
Parameter
Description 16-Bit Datalink 32-Bit Datalink
4x0018 Register Output Datalink A1 In
Not used LSW of 32-bit
4x0019
(1)
(1)
A write access to address 4x0019 initiates an update of the Datalink A1 field in the DPI I/O image.
Register Output Datalink A1 In 16-bit value MSW of 32-bit
4x0020 Register Output Datalink A2 In
Not used LSW of 32-bit
4x0021
(2)
(2)
A write access to address 4x0021 initiates an update of the Datalink A2 field in the DPI I/O image.
Register Output Datalink A2 In 16-bit value MSW of 32-bit
Table 7.F Modbus Datalinks In - B1, B2
Modbus
Address Data Direction
Parameter
Description 16-Bit Datalink 32-Bit Datalink
4x0022 Register Output Datalink B1 In Not used LSW of 32-bit
4x0023
(1)
(1)
A write access to address 4x0023 initiates an update of the Datalink B1 field in the DPI I/O image.
Register Output Datalink B1 In 16-bit value MSW of 32-bit
4x0024 Register Output Datalink B2 In
Not used LSW of 32-bit
4x0025
(2)
(2)
A write access to address 4x0025 initiates an update of the Datalink B2 field in the DPI I/O image.
Register Output Datalink B2 In 16-bit value MSW of 32-bit
Table 7.G Modbus Datalinks In - C1, C2
Modbus
Address Data Direction
Parameter
Description 16-Bit Datalink 32-Bit Datalink
4x0026 Register Output Datalink C1 In Not used LSW of 32-bit
4x0027
(1)
(1)
A write access to address 4x0027 initiates an update of the Datalink C1 field in the DPI I/O image.
Register Output Datalink C1 In 16-bit value MSW of 32-bit
4x0028 Register Output Datalink C2 In
Not used LSW of 32-bit
4x0029
(2)
(2)
A write access to address 4x0029 initiates an update of the Datalink C2 field in the DPI I/O image.
Register Output Datalink C2 In 16-bit value MSW of 32-bit
Table 7.H Modbus Datalinks In - D1, D2
Modbus
Address Data Direction
Parameter
Description 16-Bit Datalink 32-Bit Datalink
4x0030 Register Output Datalink D1 In
Not used LSW of 32-bit
4x0031
(1)
(1)
A write access to address 4x0031 initiates an update of the Datalink D1 field in the DPI I/O image.
Register Output Datalink D1 In 16-bit value MSW of 32-bit
4x0032 Register Output Datalink D2 In
Not used LSW of 32-bit
4x0033
(2)
(2)
A write access to address 4x0033 initiates an update of the Datalink D2 field in the DPI I/O image.
Register Output Datalink D2 In 16-bit value MSW of 32-bit