MULTISPAN PIC-38 User Manual

PowerSupply
ProtectionLevel
Operating
Relative
(Asperrequest)
Temperature
Humidity
100to250VAC,50/60Hz,Approx4VA
IP-65(Frontside)ASperIS/IEC60529:2001
0°CTo55°C
Upto95%RHNonCondensing
Model
Display
Size(HXWXD)
PanelCutout
Input
Output
Range
PIC-38
48X96X65mm
44X92mm
4Digit7seg0.8”,redLEDDisplay
0-10VDC,0-20mADC,4-20mADC
1Relay1C/O&24VDCTransmitter
-999To9999Selectable
Working
Display
4DigitsDisplayinRedcolorindicatescurrentreadingofPV
1.Whenthepowerissuppliedtotheinstrumentthedisplaywillshowthepresent
PROCESSvalue.
2.TheRangecorrespondingto4to20mADCisselectablefromkeypad.
3.Thesensorwillprovide4to20mADCinputtothecontroller.Thedisplaywill
indicatetheProcessvalueaspertheselectableRangevalue.
4.IftheRangeissetto9999thenat4mADCinputthedisplaywillshow0and20mADC
thedisplaywillindicateselectedrange9999.
5.Ifyouselectloweralarmasamodetheninitiallyrelaywillremaininoncondition.
Whencurrenttemperatureequals(settemperature+HYST)relaywillbeturnoff.
Sotemperaturegoesdownandwhenittouchessettemperaturerelaywillagain
turnON.andthisprocesswillcontinuetoflow.
6.Ifyouselecthigheralarmtheninitiallyrelaywillbeinonconditionsotemperature
goesdownandwhenittouches(settemperature-HYST)valuerelaywillturnoffand
sotemperaturewillgohighandwhenitreachessetvaluerelaywillturnONandcycle
Continues.
7.IftheSLLvalueisbelow3.5mAthandisplayshowLow.
8.AndifSLLvalueisbetween3.5to4.00mA,DisplayShows‘00’.
9.WhentheinputexceedsthefullscaleRange(Approxabove1ADC)Displaywill
showOVER.
OPERATINGMANUAL
ProcessIndicator
PIC-38
Page-1
PIC-38
www.multispanindia.com
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PIC 38
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MULTISPAN PIC-38 Specifications

General

Brand	MULTISPAN
Model	PIC-38
Category	Measuring Instruments
Language	English

Summary

Process Indicator PIC-38 Overview

Display Functionality

The 4-digit red LED display shows the current process value.

Working Principles

Details operation, including power-on display, range settings, and 4-20mA input behavior.

Alarm Mode Operation

Explains how lower and higher alarm modes control relay output based on temperature and hysteresis.

Special Value Indications

Describes display feedback for low signal levels, specific range values, and over-range conditions.

User Configuration Settings

Password Configuration

Procedure to set or change the user access password.

Hysteresis Setting

Configures the hysteresis value for alarm operations, ranging from 1 to 1000 counts.

Mode Selection

Allows selection of different operational modes for the indicator.

Input Signal Configuration

Selects the input signal type: 0-10V DC, 0-20mA DC, or 4-20mA DC.

Decimal Point Setting

Defines the position of the decimal point for displayed values.

Low and High Range Configuration

Sets the lower and higher limits for the selected input range.

Advanced Configuration and Wiring

Filter Time Setting

Adjusts the filter time constant, ranging from 0.1 to 10.0 seconds.

Offset Configuration

Allows setting an offset value, with a range of ±100 counts.

Correction Factor Setting

Applies a correction factor to readings, with a range of ±999 counts.

Signal Low Level Setting

Sets the threshold for indicating a low signal level, specifically for 4-20mA input.

Connection Diagram

Illustrates the terminal connections for power, input, and output signals.

Safety, Installation, and Maintenance

Safety Precautions

Emphasizes adherence to safety codifications, symbols, and instructions for safe operation.

Warning Guidelines

Provides critical warnings regarding electric shock prevention and wiring practices.

Installation Guidelines

Covers best practices for installing the unit within control panels and avoiding hazards.

Mechanical Installation

Details panel cutout dimensions and procedures for physically mounting the unit.

Maintenance Procedures

Outlines recommended cleaning practices and component replacement restrictions.