ZESTA ZEL-L Series - User Manual

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UM0L621B-0922

September 2022

Zesta Engineering Ltd. ● 212 Watline Avenue, Mississauga, ON L4Z 1P4

(905) 568-3100 ● www.zesta.com

User’s Manual

ZEL-L62 / ZEL-L42 / ZEL-L22

Temperature Limit Controller

English

Main Page

Table of Contents3
Introduction7
Features7
Limit Controller Models7
Limit Control Function9
High Limit Control9
Low Limit Control9
High / Low Limit Control9
Using Limit Control Function9
Specifications10
Ordering Code13
ZEL-L42 Ordering Code13
ZEL-L62 Ordering Code14
ZEL-L22 Ordering Code15
Accessories15
Related Products15
Programming Port16
Programming Port Connection with Programming Port Adaptor16
Keys and Displays17
Zel-L42 Front Panel Keys and Display18
Zel-L62 Front Panel Keys and Display18
Menu Flowchart19
Zel-L22 Front Panel Keys and Display19
How Characters Are Displayed on the Lcd Screen19
User Access Menu20
Calibration Menu20
Setup Menu21
Calibration Menu21
Basic Menu (Base)22
Basic Menu22
Output Menu (OUT)23
Communication Menu (Comm)23
Output Menu23
Communication Menu23
Alarm Menu (ALRM)24
Event Input Menu (EI)24
Alarm Menu24
Event Input Menu24
User Menu (SEL)25
Parameter Availability Table25
Parameter Availability Table27
Parameters Description28
Installation and Wiring37
Unpacking37
Mounting37
ZEL-L42 Dimension37
Environmental Specification37
Zel-L42 Dimension with Clamps38
Zel-L42 Dimension Without Clamp39
ZEL-L62 Dimension40
Zel-L62 Dimension with Clamp40
Zel-L62 Dimension Without Clamp41
ZEL-L22 Dimension42
Wiring Precautions43
Lead Terminal43
ZEL-L42 Terminal Connection44
Zel-L42 Rear Terminal Connection - High Voltage Input Power44
Zel-L42 Rear Terminal Connection - Low Voltage Input Power44
ZEL-L62 Terminal Connection45
Zel-L62 Rear Terminal Connection - High Voltage Input Power45
Zel-L62 Rear Terminal Connection - Low Voltage Input Power45
ZEL-L22 Terminal Connection46
Zel-L22 Terminal Connection- High Voltage Input Power46
Zel-L22 Terminal Connection- Low Voltage Input Power46
Power Wiring47
Sensor Installation47
Sensor Input Wiring47
Limit Control Output Wiring48
Output 148
Alarm Wiring49
Alarm 1(Output 2)49
Output 1 Relay to Drive Contactor49
Output1 Pulsed Voltage to Drive Ssr49
Alarm 1 Output to Drive Load49
Alarm 250
Alarm 350
Event Input Wiring50
Retransmission Wiring50
Retransmission Wiring - Current50
RS-485 Data Communication51
Retransmission Wiring - Voltage51
Rs-485 Wiring51
Programming52
User Security52
Calibration Security52
Signal Input52
User Access Rights52
Calibration Access Rights52
Limit Control Output53
Set Point Range53
Alarm53
Conversion Curve for Linear Type Process Signal53
Alarm Types54
Process Value High (Pv.hi)54
Alarm Modes55
Normal Alarm: ALMD = Norm55
Latching Alarm: ALMD = Ltch55
Normal Alarm Reverse Output: ALMD =Nor.r55
Latching Alarm Reverse Output: ALMD = Ltc.r55
Process Value Low (Pv.lo)55
Alarm Failure Transfer56
Process Value High- Normal Alarm56
Process Value High- Latching Alarm56
User Select Menu Configuration57
User Calibration or PV Shift57
Digital Filter58
Limit Annunciator58
Remote Reset58
Two Point User Calibration58
Filter Characteristics58
Remote Lock59
Power up Logic59
Reference Data59
Failure Transfer59
Output 1 Failure Transfer60
Alarm Failure Transfer60
Data Communication60
RS-485 Setup60
Retransmission60
Event Input60
Event Input Functions61
Applications62
Limit Controller Application Wiring62
High Temperature Protection with Remote Reset63
Calibration64
Equipment Required before Calibration64
Manual Calibration Procedure64
Calibrate Zero of a to D Converter64
Calibrate Gain of a to D Converter64
Calibrate Offset of Cold Junction Compensation64
Calibrate Gain of Cold Junction Compensation65
Calibrate RTD Input65
Cold Junction Calibration Setup65
Calibrate Linear Input66
Communication67
Functions Supported67
Function Code 03: Read Holding Registers67
Function Code 0367
Function Code 06: Pre-Set Single Register68
Function Code 16: Pre-Set Multiple Register68
Function Code 0668
Exception Responses69
Parameter Mapping69
Error Code69
Mode69
Function Code 1669
Exception Code69
PROG Code70
Scaling70
Communication Examples70
Read PV70
Perform Reset Function (same Effect as Pressing R Key)70
Operation Mode70
Program Code70
Data Conversion70
Read All Parameters71
Calibrate ADLO71
Command Mode71
Command Register71

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ZESTA ZEL-L Series Specifications

General

Brand	ZESTA
Model	ZEL-L Series
Category	Temperature Controller
Language	English

ZESTA ZEL-L Series - User Manual

Table of Contents

ZESTA ZEL-L Series Specifications