Emerson Vission 20/20 Operation And Service Manual page 229

Appendix B • Vission 20/20 Application Procedures
Vission 20/20 Communication Table
• All ENUM variables are of INT type
• ALL F-INT data types represent fl oating point values as INT types multiplied by 10
• All Pressures are in Psig
• All Temperatures are in Fahrenheit
• Modbus TCP addressing is PLC-style (Base 1) addressing
• On Error, Modbus TCP server only returns an error code of "Illegal Data Address"
• All registers returned (INT and F-INT) are 2-bytes long
• For Ethernet/IP, use INT data type and PLC-5 Word Range Read/Write MSG instructions
• Remote commands can't be issued if the panel is in "Remote Lock" mode
• Pulling rates should not be less then 5 sec
• Writes to the Vission should only occur when a value needs to be changed
• Lower Range & Higher Range values mentioned are default values of Vission 20/20
• Users can modify Lower Range & Higher Range values from Vission 20/20 Panel and accordingly maintain
their own table
Ethernet
Vilter Modbus
Address Address
IP Address
0 N50:0 40001
1 N50:1 40002
2 N50:2 40003
3 N50:3 40004
4 N50:4 40005
5 N50:5 40006
6 N50:6 40007
7 N50:7 40008
8 N50:8 40009
9 N50:9 40010
10 N50:10 40011
11 N50:11 40012
12 N50:12 40013
13 N50:13 40014
14 N50:14 40015
15 N50:15 40016
16 N51:0 40051
Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 2.0
Table B-4. Vission 20/20 Communication Table
Digital Inputs
Compressor Interlock
High Level Shutdown
Oil Level Switch #1
Oil Level Switch #2
Local / Remote
Remote Start
Remote Increase
Remote Decrease
Auxiliary 1
Auxiliary 2
Auxiliary 3
Auxiliary 4
Auxiliary 5
Auxiliary 6
Auxiliary 7
Auxiliary 8
Digital Outputs
Compressor Start
Data
Value
Type
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
INT 0 = OFF, 1 = ON
Lower Higher
Mode
Range Range
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
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