Precision Digital PD6730X User Manual
Page 4
PD6730X Vantageview Super Snooper Modbus Scanner
Instruction Manual
4
TABLE OF CONTENTS
INTRODUCTION
3
ORDERING INFORMATION
3
Accessories -------------------------------------------------------------------------------------------------------------------- 3
TABLE OF CONTENTS
4
TABLE OF FIGURES
7
SPECIFICATIONS
8
General --------------------------------------------------------------------------------------------------------------------------- 8
Modbus Operating Modes ------------------------------------------------------------------------------------------------- 9
Serial Communications --------------------------------------------------------------------------------------------------- 10
Modbus Scanner Process Variables --------------------------------------------------------------------------------- 10
Math Channels --------------------------------------------------------------------------------------------------------------- 10
Pulse Input -------------------------------------------------------------------------------------------------------------------- 11
Pulse Rate/Totalizer -------------------------------------------------------------------------------------------------------- 12
4-20 mA Transmitter Output--------------------------------------------------------------------------------------------- 13
Open Collector Outputs -------------------------------------------------------------------------------------------------- 13
Electromagnetic Compatibility ----------------------------------------------------------------------------------------- 14
SAFETY INFORMATION -------------------------------------------------------------------------------------------------- 14
INSTALLATION
15
Unpacking --------------------------------------------------------------------------------------------------------------------- 15
Pre-Installed Conduit/Stopping Plug --------------------------------------------------------------------------------- 15
Mounting ---------------------------------------------------------------------------------------------------------------------- 15
Connections ------------------------------------------------------------------------------------------------------------------ 16
RS-485 Signal Connections ................................................................................................................ 17
DC Power Connection ......................................................................................................................... 17
External Total Reset Connection ........................................................................................................ 18
4-20 mA Transmitter Output Connections ........................................................................................... 18
Open Collector Output Connections ................................................................................................... 19
Pulse Input Signal Connections .......................................................................................................... 20
SETUP AND PROGRAMMING
22
SafeTouch
®
Buttons ------------------------------------------------------------------------------------------------------- 22
Buttons and Display ------------------------------------------------------------------------------------------------------- 23
Button Operation ................................................................................................................................. 24
Setting Numeric Values --------------------------------------------------------------------------------------------------- 24
Setting Alphanumeric Labels ------------------------------------------------------------------------------------------- 24
APPLICATION EXAMPLES
25
Example 1: Master Polling Multivariable Level Transmitters ------------------------------------------------- 25
Example 2: Snooper Displaying Flow Rate from Modbus Flow Meters ----------------------------------- 29
MAIN MENU
31
Display Functions & Messages ---------------------------------------------------------------------------------------- 31
Main Menu Programming ------------------------------------------------------------------------------------------------ 35
Select Operating Mode (MODE) ------------------------------------------------------------------------------------------ 36
Master Mode (MASTER) ----------------------------------------------------------------------------------------------------- 36
PV Number Configuration (PV NUM) .................................................................................................... 37
Enable/Disable PV (ENABLE, DISABLE) --------------------------------------------------------------------------- 37
Slave ID (SLAVEID) ---------------------------------------------------------------------------------------------------- 37
Function Code (FUNCODE) -------------------------------------------------------------------------------------------- 37
Register Number (ReG NUM) ----------------------------------------------------------------------------------------- 37
Data Type (DATATYP) ------------------------------------------------------------------------------------------------- 38
Byte Format (BYTE) ---------------------------------------------------------------------------------------------------- 38
Poll Time (T POLL) .............................................................................................................................. 38
Response Timeout (TIMEOUT) ............................................................................................................. 39
Retries Before Error (RETRIES) ........................................................................................................... 39
Slave Mode (SLAVE) -------------------------------------------------------------------------------------------------------- 39