Service manual
B - 73
Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 2.0
Appendix B • Vission 20/20 Application Procedures
Vilter
Address
Ethernet
IP Address
Modbus
Address
Data
Type
Value Mode
Lower
Range
Higher
Range
Digital Inputs
0 N50:0 40001 Compressor Interlock INT 0 = OFF, 1 = ON Read
1 N50:1 40002 High Level Shutdown INT 0 = OFF, 1 = ON Read
2 N50:2 40003 Oil Level Switch #1 INT 0 = OFF, 1 = ON Read
3 N50:3 40004 Oil Level Switch #2 INT 0 = OFF, 1 = ON Read
4 N50:4 40005 Local / Remote INT 0 = OFF, 1 = ON Read
5 N50:5 40006 Remote Start INT 0 = OFF, 1 = ON Read
6 N50:6 40007 Remote Increase INT 0 = OFF, 1 = ON Read
7 N50:7 40008 Remote Decrease INT 0 = OFF, 1 = ON Read
8 N50:8 40009 Auxiliary 1 INT 0 = OFF, 1 = ON Read
9 N50:9 40010 Auxiliary 2 INT 0 = OFF, 1 = ON Read
10 N50:10 40011 Auxiliary 3 INT 0 = OFF, 1 = ON Read
11 N50:11 40012 Auxiliary 4 INT 0 = OFF, 1 = ON Read
12 N50:12 40013 Auxiliary 5 INT 0 = OFF, 1 = ON Read
13 N50:13 40014 Auxiliary 6 INT 0 = OFF, 1 = ON Read
14 N50:14 40015 Auxiliary 7 INT 0 = OFF, 1 = ON Read
15 N50:15 40016 Auxiliary 8 INT 0 = OFF, 1 = ON Read
Digital Outputs
16 N51:0 40051 Compressor Start INT 0 = OFF, 1 = ON Read
Table B-4. Vission 20/20 Communication Table
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