Precision-digital PD865 User Manual Page 1

PRECISION DIGITAL CORPORATION 89 October Hill Road • Holliston, MA 01746 USA Tel (800) 343-1001 • Fax (508) 655-8990 www.predig.com SNOOPER MODEL PD8

PD865 Snooper Modbus Serial Input Meter Instruction Manual 10 Display Functions INTENSITY 1 to 8. To optimize viewing based on ambient lighting cond

PD865 Snooper Modbus Serial Input Meter Instruction Manual 11 Relays RATING Standard: 2 relays, SPST (Form A) Optional: 2 relays, SPDT (Form C) All

PD865 Snooper Modbus Serial Input Meter Instruction Manual 12 Isolated 4-20 mA Transmitter Output CALIBRATION Factory calibrated for 4-20 mA SCAL

PD865 Snooper Modbus Serial Input Meter Instruction Manual 13 COMPLIANCE INFORMATION Safety UL LISTED USA and Canada UL 508 Industrial Control Equip

PD865 Snooper Modbus Serial Input Meter Instruction Manual 14 INSTALLATION There is no need to remove the meter from its case to complete the install

PD865 Snooper Modbus Serial Input Meter Instruction Manual 15 MOUNTING DIMENSIONS 865SideViewDim Figure 2: Meter Dimensions – Side View Figure 3:

PD865 Snooper Modbus Serial Input Meter Instruction Manual 16 Connections All connections are made to removable screw terminal connectors located at

PD865 Snooper Modbus Serial Input Meter Instruction Manual 17 Power Connections Power connections are made to a two-terminal connector labeled POWER

PD865 Snooper Modbus Serial Input Meter Instruction Manual 18 Serial Connections The PD865 is connected to an RS-485 bus with up to 32 nodes. For sys

PD865 Snooper Modbus Serial Input Meter Instruction Manual 19 Relay Connections Connections to the two, standard Form A relays, are made to the conne

PD865 Snooper Modbus Serial Input Meter Instruction Manual 2 Disclaimer The information contained in this document is subject to change without noti

PD865 Snooper Modbus Serial Input Meter Instruction Manual 20 LOAD Figure 9: Low Voltage DC Loads Protection RC Networks Available from Precision D

PD865 Snooper Modbus Serial Input Meter Instruction Manual 21 4-20 mA Output Connections Connections for the 4-20 mA transmitter output are made to t

PD865 Snooper Modbus Serial Input Meter Instruction Manual 22 SETUP AND PROGRAMMING  There is no need to recalibrate the 4-20 mA output (when insta

PD865 Snooper Modbus Serial Input Meter Instruction Manual 23 Front Panel Buttons and Status LED Indicators Button Symbol Description LED Status

PD865 Snooper Modbus Serial Input Meter Instruction Manual 24 Display Functions and Messages The meter displays various functions and messages during

PD865 Snooper Modbus Serial Input Meter Instruction Manual 25 Display Parameter Action/Setting Reg.Pv4 PV4 Register Enter the Register Number for PV4

PD865 Snooper Modbus Serial Input Meter Instruction Manual 26 Display Parameter Action/Setting 2143 Byte Order Select byte-swapped big-endian byte o

PD865 Snooper Modbus Serial Input Meter Instruction Manual 27 Display Parameter Action/Setting Disp.dp Display Decimal Point Set the decimal point p

PD865 Snooper Modbus Serial Input Meter Instruction Manual 28 Display Parameter Action/Setting DLY 1 Relay 1 Delays Enter relay 1 time delay setup. S

PD865 Snooper Modbus Serial Input Meter Instruction Manual 29 Main Menu The main menu consists of the most commonly used functions: Mode, Serial, Pro

PD865 Snooper Modbus Serial Input Meter Instruction Manual 3 Table of Contents INTRODUCTION -------------------------------------------------------

PD865 Snooper Modbus Serial Input Meter Instruction Manual 30 Meter Setup Operating Modes (nmode) The Mode menu is used to select how the meter is to

PD865 Snooper Modbus Serial Input Meter Instruction Manual 31 Master Mode (nmastr) The Master mode contains the following submenus: select which Func

PD865 Snooper Modbus Serial Input Meter Instruction Manual 32 Proxy Polling Mode Proxy Polling mode is enabled when a number greater than 1 is entere

PD865 Snooper Modbus Serial Input Meter Instruction Manual 33 The following table shows the system setup for the MTS M-Series gauge, the PD865 Master

PD865 Snooper Modbus Serial Input Meter Instruction Manual 34 Slave Mode (Slave) The Slave mode is capable of accepting Long and Float data types. Re

PD865 Snooper Modbus Serial Input Meter Instruction Manual 35 Snooper Mode (Snoopr) The Snooper mode is used to listen to data being transmitted on t

PD865 Snooper Modbus Serial Input Meter Instruction Manual 36 Serial Communications (SEriAL) The meter has an RS-485 interface. The baud rate, parity

PD865 Snooper Modbus Serial Input Meter Instruction Manual 37 Setting the Display Decimal Point (disp..dp) Decimal point may be set one to five decim

PD865 Snooper Modbus Serial Input Meter Instruction Manual 38 Scaling the Display Value (scale) The data that the meter receives can be scaled to di

PD865 Snooper Modbus Serial Input Meter Instruction Manual 39 Setting the Relay Operation (relay) This menu allows you to set up the operation of the

PD865 Snooper Modbus Serial Input Meter Instruction Manual 4 Setting the Float Decimal Point (Flot..dp) ------------------------------ 37Scaling the

PD865 Snooper Modbus Serial Input Meter Instruction Manual 40 Setting the Relay Action The relays Action menu allows the user to set up the operation

PD865 Snooper Modbus Serial Input Meter Instruction Manual 41 Setting Fail-Safe Operation The fail-safe operation is set independently for each rela

PD865 Snooper Modbus Serial Input Meter Instruction Manual 42 Relay and Alarm Operation The following graphs illustrate the operation of the relays,

PD865 Snooper Modbus Serial Input Meter Instruction Manual 43 Low Alarm Operation (Set < Reset) ResetSetInputRelayLEDenergizedde-energizedonoffRel

PD865 Snooper Modbus Serial Input Meter Instruction Manual 44 Time Delay Operation The following graphs show the operation of the time delay function

PD865 Snooper Modbus Serial Input Meter Instruction Manual 45 High Alarm with Fail-Safe Operation (Set > Reset) RelayLEDInputAutomatic (non-latchi

PD865 Snooper Modbus Serial Input Meter Instruction Manual 46 Low Alarm with Fail-Safe Operation (Set < Reset) ResetSetInputRelayLEDAutomatic (non

PD865 Snooper Modbus Serial Input Meter Instruction Manual 47 Pump Alternation Example for 3 Relays Notes: 1. LEDs indicate the relay status. 2. An

PD865 Snooper Modbus Serial Input Meter Instruction Manual 48 Relay Operation After Communications Break When a Master meter fails to receive a reply

PD865 Snooper Modbus Serial Input Meter Instruction Manual 49 Scaling the 4-20 mA Analog Output (Aout) The 4-20 mA analog output can be scaled to pr

PD865 Snooper Modbus Serial Input Meter Instruction Manual 5 Table of Figures Figure 1: Panel Cutout and Mounting ...

PD865 Snooper Modbus Serial Input Meter Instruction Manual 50 Setting Up the Password (pass) The Password menu is used to program a four-digit passw

PD865 Snooper Modbus Serial Input Meter Instruction Manual 51 Unlocking the Meter If the meter is password protected, the correct password must be e

PD865 Snooper Modbus Serial Input Meter Instruction Manual 52 Advanced Features Menu To simplify the setup process, functions not needed for most app

PD865 Snooper Modbus Serial Input Meter Instruction Manual 53 Advanced Features Menu & Display Messages Display Parameter Action/Setting funC F

PD865 Snooper Modbus Serial Input Meter Instruction Manual 54 Display Parameter Action/Setting nmin Min Analog Output Enter the minimum value allowe

PD865 Snooper Modbus Serial Input Meter Instruction Manual 55 Noise Filter (filter) Most applications do not require changing this parameter. It is

PD865 Snooper Modbus Serial Input Meter Instruction Manual 56 Analog Output Programming (aoutpr) The 4-20 mA analog output can be programmed for its

PD865 Snooper Modbus Serial Input Meter Instruction Manual 57 4-20 mA Output Calibration The 4-20 mA output can be calibrated in the field. A calibr

PD865 Snooper Modbus Serial Input Meter Instruction Manual 58 Display Intensity (d-inty) The Display Intensity function allows the selection of eight

PD865 Snooper Modbus Serial Input Meter Instruction Manual 59 OPERATION The PD865 meter is capable of operating as a Modbus Master, Slave or Snooper.

PD865 Snooper Modbus Serial Input Meter Instruction Manual 6 INTRODUCTION The PD865 Snooper Modbus Serial Input Meter can be programmed as a Modbus

PD865 Snooper Modbus Serial Input Meter Instruction Manual 60 Figure 14: PD865 Master Connected to a PD765 Meter Figure 15: PD865 Master & S

PD865 Snooper Modbus Serial Input Meter Instruction Manual 61 Figure 16: PD865 Master & Snoopers Connected to Level and Temperature Sensors

PD865 Snooper Modbus Serial Input Meter Instruction Manual 62 Maximum/Minimum Readings The primary function of the front panel buttons during operat

PD865 Snooper Modbus Serial Input Meter Instruction Manual 63 TROUBLESHOOTING If the meter is not working as expected, refer to the troubleshooting t

PD865 Snooper Modbus Serial Input Meter Instruction Manual 64 Factory Defaults & User Settings The following table shows the factory setting for

PD865 Snooper Modbus Serial Input Meter Instruction Manual 65 Parameter Display Default Setting User SettingInput 3 inp 3 300.00 Display 3 dis

PD865 Snooper Modbus Serial Input Meter Instruction Manual 66 Parameter Display Default Setting User SettingDisplay 16 dis 16 1600.00 Relay 1 Ac

PD865 Snooper Modbus Serial Input Meter Instruction Manual 67 Advanced Features Display Function funC Linear Number of Points no pts 2 Filter fil

PD865 Snooper Modbus Serial Input Meter Instruction Manual 68 Troubleshooting Tips Symptom Check/Action No display at all. Check power at power conne

PD865 Snooper Modbus Serial Input Meter Instruction Manual: Register Table 69 SLAVE MODE REGISTER TABLE  40001 – 40008: Process Value (PV), Max PV,

PD865 Snooper Modbus Serial Input Meter Instruction Manual 7 SPECIFICATIONS Except where noted all specifications apply to operation at +25°C. Genera

PD865 Snooper Modbus Serial Input Meter Instruction Manual: Register Table 70 Register 1 Name AccessLimits or Range 2DataType 3Function Code(s) Comm

PD865 Snooper Modbus Serial Input Meter Instruction Manual: Register Table 71 Register 1 Name AccessLimits or Range 2DataType 3Function Code(s) Comm

PD865 Snooper Modbus Serial Input Meter Instruction Manual: Register Table 72 Register 1 Name AccessLimits or Range 2DataType 3Function Code(s) Comm

PD865 Snooper Modbus Serial Input Meter Instruction Manual: Register Table 73 Register 1 Name AccessLimits or Range 2DataType 3Function Code(s) Comm

PD865 Snooper Modbus Serial Input Meter Instruction Manual: Register Table 74 Register 1 Name AccessLimits or Range 2DataType 3Function Code(s) Comm

PD865 Snooper Modbus Serial Input Meter Instruction Manual: Register Table 75 Register 1 Name AccessLimits or Range 2DataType 3Function Code(s) Comm

PD865 Snooper Modbus Serial Input Meter Instruction Manual: Register Table 76 Register 1 Name AccessLimits or Range 2DataType 3Function Code(s) Comm

PD865 Snooper Modbus Serial Input Meter Instruction Manual: Register Table 77 Register 1 Name AccessLimits or Range 2DataType 3Function Code(s) Comm

PD865 Snooper Modbus Serial Input Meter Instruction Manual: Register Table 78 Register 1 Name AccessLimits or Range 2DataType 3Function Code(s) Comm

PD865 Modbus Snooper Serial Input Meter Instruction Manual 79 Register Table Notes Note 1. Although there are no specific 3x registers listed, all

PD865 Snooper Modbus Serial Input Meter Instruction Manual 8 ENVIRONMENTAL Operating temperature range: -40 to 65°C Storage temperature range: -40 t

PD865 Modbus Snooper Serial Input Meter Instruction Manual 80 Float decimal point setting is found in Holding Register 40028. Examples using Float (

PD865 Modbus Snooper Serial Input Meter Instruction Manual 81 Register Bit Assignment Tables Table 1. Display Decimal Point and Float Decimal Point

PD865 Modbus Snooper Serial Input Meter Instruction Manual 82 Table 3. Serial Settings Note that the Bus Type is not implemented in either hardware

PD865 Modbus Snooper Serial Input Meter Instruction Manual 83 Table 5. 4-20mA Output Modes For the Serial Communications sources: Register 40313 ho

PD865 Modbus Snooper Serial Input Meter Instruction Manual LIM865_E SFT055 Ver 1.1 & up 01/12 How to Contact Precision Digital  For Technical

PD865 Snooper Modbus Serial Input Meter Instruction Manual 9 Programmable Features for Master Mode FUNCTION CODE Select which Modbus function code (