Precision Digital Corporation Helios PD2-6080, Instruction Manual

Page: 43 / 76

Helios PD2-6080/PD2-6081 Modbus
®
Scanners
Instruction Manual
43
Parameter PD2-6080
Master PD2-6080
Snooper Description/
Comment
Function
Code 04 04
Register
PV12
30017 30017
Tank 4
Average
Temperature
Data Type Long
integer
Binary,
Signed Long
Byte Order 1234 1234
Scanner
ID
246 245
Polling
Time
5.0 sec N/A
Slave
Response
Timeout 10.0 sec 10.0 sec
Baud 4800 4800
Parity None 1 None 1 1 stop bit
Byte-to-
Byte
Timeout 0.01 sec 0.01 sec
Decimal
point 3 places 3 places
Input 1 000000
000000
Scaling for
Level &
Interface
Display 1 000000 000000
Input 2 999999
999999
0.001 inch
resolution
Display 2 83.333 83.333 Feet
Application Example 2
In this application we have a system consisting of
(4) multivariable tank level gauges connected to
(2) PD2-6081s displaying Product Level, Interface
Level, and Average Temperature.
One of the Modbus Scanners is located next to the
tanks and the other is located in the control room. The
display readout is shown in sixteenths of an inch.
Register Numbers & Process
Variables
30001 - Product Level
30003 - Interface Level
30017 - Average Temperature
Note: The example above shows the PD2-6081.
The setup of the scanner is the same as the first
example. The PD2-6081
’s Feet & Inches
display is clearly visible.