PRECISION DIGITAL PD756 Manual de instrucciones

PRECISION DIGITAL CORPORATION 19 Strathmore Road • Natick MA 01760 USA Tel (800) 343-1001 • Fax (508) 655-8990 www.predig.com DIGITAL METERS Large

Large Display Temperature Meters Instruction Manual 10 Specifications Except where noted all specifications apply to operation at +25°C. Basic Temper

Large Display Temperature Meters Instruction Manual 11 ALARM POINTS Four, any combination of high or low alarms. Latching or non-latching. ALARM POIN

Large Display Temperature Meters Instruction Manual 12 Options Relays RATING 2 or 4 SPDT (Form C); rated 2 A @ 30 VDC or 2 A @ 250 VAC resistive loa

Large Display Temperature Meters Instruction Manual 13 Isolated 4-20 mA Transmitter Output CALIBRATION RANGE The transmitter output can be calibrat

Large Display Temperature Meters Instruction Manual 14 Display Functions and Messages The meter displays various functions and messages during operat

Large Display Temperature Meters Instruction Manual 15 SETUP AND PROGRAMMING Overview To setup and program the Digital Temperature Meter, it is neces

Large Display Temperature Meters Instruction Manual 16 Disassembling the Meter To perform the steps described above, it is necessary to partially di

Large Display Temperature Meters Instruction Manual 17 Disassembling the PD757 1. Loosen the four screws that hold the enclosure’s cover in place a

Large Display Temperature Meters Instruction Manual 18 Reassembling the Meter After the wiring and jumper selections have been made, reassemble the

Large Display Temperature Meters Instruction Manual 19 Jumper Configuration Before programming the Digital Temperature Meter, it is necessary to con

Large Display Temperature Meters Instruction Manual 2 Visit our Website http://www.predig.com

Large Display Temperature Meters Instruction Manual 20 Power Selection Overview Power Selection involves the following: 1. Changing to 230 VAC power

Large Display Temperature Meters Instruction Manual 21 Labeling Meter for 115 VAC, 230 VAC or 24 VDC Figure 1. Input Power Label Connections Overv

Large Display Temperature Meters Instruction Manual 22 Wiring Instructions For connector locations, refer to: Figure 31 on page 61 for PD755 Figure

Large Display Temperature Meters Instruction Manual 23 Power Connections ! When servicing the PD756 in a hazardous area, all appropriate hazardous a

Large Display Temperature Meters Instruction Manual 24 Signal Connections Signal connections are made to a 10-position connector J1 on the Main Boar

Large Display Temperature Meters Instruction Manual 25 Figure 5. Two-Wire RTD Connections Figure 6. Thermocouple Connections

Large Display Temperature Meters Instruction Manual 26 Enter, Acknowledgement, and Hold Connections Enter, acknowledgement, and hold terminals on J1

Large Display Temperature Meters Instruction Manual 27 Optional Relays & 4-20 mA Output Terminals Depending on model number, Options Board may co

Large Display Temperature Meters Instruction Manual 28 Isolated 4-20 mA Output Transmitter Connections The Digital Temperature Meter can be equipped

Large Display Temperature Meters Instruction Manual 29 Programming Overview This section of the manual deals with programming the following aspects o

Large Display Temperature Meters Instruction Manual 3 Table of Contents INTRODUCTION-----------------------------------------------------------------

Large Display Temperature Meters Instruction Manual 30 ENTER Button Functionality The ENTER button is used to program the meter for various functions

Large Display Temperature Meters Instruction Manual 31 General Programming Description When power is applied to the meter, the display flashes 188888

Large Display Temperature Meters Instruction Manual 32 Programming the Basic Meter Programming the basic meter consists of selecting the type of T/C

Large Display Temperature Meters Instruction Manual 33 Selecting Type of T/C or RTD (TYPE) After power is applied to the meter, the display will indi

Large Display Temperature Meters Instruction Manual 34 Alarm Setup and Set Points Programming Overview The Digital Temperature Meter is available wit

Large Display Temperature Meters Instruction Manual 35 Setup for Latching or Non-Latching Relays (SetuP) Each alarm set point can be set up for latch

Large Display Temperature Meters Instruction Manual 36 Alarm Set and Reset Points Programming Alarm set and reset point values are programmed under

Large Display Temperature Meters Instruction Manual 37 Programming Alarm Points Using Set Points (setpts) Menu Note To simplify programming, write

Large Display Temperature Meters Instruction Manual 38 Isolated 4-20 mA Output Transmitter Option The Digital Temperature Meter can be equipped with

Large Display Temperature Meters Instruction Manual 39 Input Offset Adjustment (OFFSEt) This parameter allows the user to select an offset to the inp

Large Display Temperature Meters Instruction Manual 4 Programming the Basic Meter--------------------------------------------------------- 32 Selecti

Large Display Temperature Meters Instruction Manual 40 OPERATION Overview The Large Display Temperature Meter accepts the J, K, T, E, R, and S thermo

Large Display Temperature Meters Instruction Manual 41 Basic Meter Operation Overview In its most basic form, the Digital Temperature Meter provides

Large Display Temperature Meters Instruction Manual 42 Relays Operation Overview The relay option added to the Digital Temperature Meter expands its

Large Display Temperature Meters Instruction Manual 43 Front Panel LEDs Refer to Figure 37 on page 65 for PD755. Refer to Figure 38 on page 65 for P

Large Display Temperature Meters Instruction Manual 44 Non-Latching Relay Automatic + manual reset at any time JP5(1-4 on) Condition LED Relay Norma

Large Display Temperature Meters Instruction Manual 45 Latching Relay Manual reset only after signal passes reset point JP5(1-4 off) Condition LED

Large Display Temperature Meters Instruction Manual 46 Switching Inductive Loads The relay contacts on the Options Board are already protected with

Large Display Temperature Meters Instruction Manual 47 RECALIBRATION (CALIB) The Digital Temperature Meter is precalibrated for six types of thermoco

Large Display Temperature Meters Instruction Manual 48 Recommended Calibration Points To calibrate the meter, it is recommended to use the Fahrenheit

Large Display Temperature Meters Instruction Manual 49 INSTALLATION The overall dimensions for the Digital Temperature Meters are shown in: Figure 40

Large Display Temperature Meters Instruction Manual 5 MODEL SPECIFIC ILLUSTRATIONS------------------------------------------ 60 Removing the Display

Large Display Temperature Meters Instruction Manual 50 Panel Mounting Instructions For applications where it is required to mount the Digital Tempera

Large Display Temperature Meters Instruction Manual 51 PD757 Panel Mounting Instructions DECORATIVE BEZELMETER COVERPANELMETER BASEBRACKET Figure 16

Large Display Temperature Meters Instruction Manual 52 Parts Supplied with Panel Mounting Kit: 1. Two angle brackets 2. One self-adhesive decorativ

Large Display Temperature Meters Instruction Manual 53 Pipe Mounting Instructions for PD755 and PD756 Figure 18. 755 Pipe Mounting Assembly Figu

Large Display Temperature Meters Instruction Manual 54 Figure 20. Pipe Mounting Plate Parts Supplied: 1. One mounting plate 2. Two 2" U-

Large Display Temperature Meters Instruction Manual 55 Explosion-Proof Control Stations The explosion-proof control stations can be used to control

Large Display Temperature Meters Instruction Manual 56 OPTION CARD REMOVAL & INSTALLATION Meter options are installed at the factory. To disable

Large Display Temperature Meters Instruction Manual 57 Figure 24. PD755 Options Board Installation Instructions: 1. Disconnect power to the meter

Large Display Temperature Meters Instruction Manual 58 Option Card Installation in PD756 To install the Options Board into PD756, refer to the follow

Large Display Temperature Meters Instruction Manual 59 Option Card Installation in PD757 To install the Options Board into PD757, refer to the follo

Large Display Temperature Meters Instruction Manual 6 List of Figures Figure 1. Input Power Label ...

Large Display Temperature Meters Instruction Manual 60 MODEL SPECIFIC ILLUSTRATIONS Removing the Display Board Figure 28. Removing the Display Boar

Large Display Temperature Meters Instruction Manual 61 Figure 30. Removing the Display Board on PD757 Locations of Connections and Jumpers

Large Display Temperature Meters Instruction Manual 62 Figure 32. PD756 Connectors and Jumper Location OPTIONS PCBMAIN PCB Figure 33. PD757 Co

Large Display Temperature Meters Instruction Manual 63 Jumper Arrays and Status LEDs Figure 34. PD755 Jumper Arrays and Status LED Identification

Large Display Temperature Meters Instruction Manual 64 On the bottom PCB Figure 36. PD757 Jumper Arrays and Status LED Identification

Large Display Temperature Meters Instruction Manual 65 Front Panel Displays Figure 37. PD755 Front Panel Display Figure 38. PD756 Front Panel

Large Display Temperature Meters Instruction Manual 66 Overall Dimensions 3.7" (95) Figure 40. PD755 Overall Dimensions Figure 41. PD756 Ov

Large Display Temperature Meters Instruction Manual 67 Figure 42. PD757 Overall Dimensions Wall Mounting Dimensions Figure 43. PD755 Wall Mounti

Large Display Temperature Meters Instruction Manual 68 Figure 45. PD756 Wall Mounting Dimensions 13.49" (342.6)13.54" (344.0)0.25"

Large Display Temperature Meters Instruction Manual 69 PROGRAMMED PARAMETER SETTINGS The following table shows the factory setting for most of the p

Large Display Temperature Meters Instruction Manual 7 INTRODUCTION The Large Display Temperature Meters are housed in rugged, NEMA 4X or explosion-pr

Large Display Temperature Meters Instruction Manual 70 OTHER PRECISION DIGITAL PRODUCTS Model Description PD118 MINIMUX® 8 Point Scanner PD141AFO VIG

Large Display Temperature Meters Instruction Manual 71 NOTES

Large Display Temperature Meters Instruction Manual LIM755-7_D.doc SFT002 Ver 1.300 & up 12/05 www.predig.com How to Contact Precision Digital •

Large Display Temperature Meters Instruction Manual 8 Model PD757 NEMA 4X Aluminum Enclosure 115/230 VAC MODEL 24 VDC MODEL DESCRIPTION Option Card*

Large Display Temperature Meters Instruction Manual 9 Safety Notice ! CAUTION: Read complete instructions prior to installation and operation of the