Watlow Series EHG SL10 Integrated Temperature Controller Manual de usuario

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The Series EHG SL10 is a powerful instrument that in-
tegrates a temperature process controller, high-low tem-
perature alert, and power switching with a safety high
limit that meets UL
®
1998 and CE 60730 requirements.
The optional display and communications modules can
be easily upgraded in the field to provide a digital dis-
play, adjustable control parameters, RS-485 MODBUS
communications and other interface features. The com-
pact design, inherent reliability and integrated safety
limit functions make this control a tremendous value.
The control is designed for easy integration with Wat-
low heaters providing additional value to simplify the
engineering and component count on new equipment.
CE compliance and UL recognition will reduce time and
costs necessary for global agency testing and validation
for OEMs.
Features
Standard Base Module
Two, type K thermocouple inputs: process temperature
controller and safety limit
Process temperature output: 10 amp “NO ARC” relay
Safety limit: 10 amp relay
High-low temperature alert: 2 amp, 30Vı (ac/dc), Form
A relay
On-off and PID temperature control algorithm: Up-
graded via communications to PID algorithm (minimum
cycle time 5 seconds)
0600-0050-0000 Rev. D
February 2011
Integrated Temperature Control
Standard Molex Connectors
• Dimensions
Configuration Width Depth Height
basic unit 88.8 mm
(3.496 in)
40.2 mm
(1.582 in)
55.8 mm
(2.196 in)
with mounting bracket 88.8 mm
(3.496 in)
48.4 mm
(1.907 in)
55.8 mm
(2.196 in)
with communicatons-dis-
play module & mounting
bracket
88.8 mm
(3.496 in)
63.6 mm
(2.503)
55.8 mm
(2.196 in)
Optional Communications Module
Field adjustable set point
Access to PID parameters
Modbus RTU Communications
• RS-485
3-character, 7-segment LED display
User Interface Software
The Series EHG SL10 User’s Guide is copyrighted by
Watlow Winona, Inc., © February 2011, with all rights
reserved.
Patent Pending
Watlow Winona
1241 Bundy Boulevard
Winona, MN 55987
Phone: (507) 454-5300; Fax: (507) 452-4507
http://www.watlow.com
Series EHG SL10
Integrated Temperature Controller
User’s Guide
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Indice de contenidos

Pagina 1 - User’s Guide

The Series EHG SL10 is a powerful instrument that in-tegrates a temperature process controller, high-low tem-perature alert, and power switching with

Pagina 2 - E: EEPROM

Watlow Controls 10 EHG SL10 User’s GuideHow to Reach UsCorporate HeadquartersWatlow Electric Manufacturing Company12001 Lackland RoadSt. Louis, MO 6

Pagina 3

Watlow Controls 2 EHG SL10 User’s GuideNavigating the Series EHG SL10 with the Front PanelThe three-character display normally shows the process tem

Pagina 4 - Keys and Indicator Lights

Watlow Controls 3 EHG SL10 User’s GuideDisplay Parameter Name & Description Range DefaultModbus Relative AddressData Type& Read/Write[ltA][L

Pagina 5 - EHG SL10 Error Codes

Watlow Controls 4 EHG SL10 User’s GuideAlarm (flashing red)Indicates that the process temperature is higher than the Limit High Set Point. Alert (so

Pagina 6 - On/Off System Cycles

Watlow Controls 5 EHG SL10 User’s GuideEHG SL10 Error CodesDisplay Description Possible Cause Corrective Action[SL1]Limit error Sensor has exceeded

Pagina 7 - Panel Mount Dimensions

Watlow Controls 6 EHG SL10 User’s GuideProportional ControlSome processes need to maintain a temperature or process value closer to the set point th

Pagina 8 - B or T+ / R+

Watlow Controls 7 EHG SL10 User’s GuideWiring the Series EHG SL10 Power, Thermocouple and Heater ConnectionsView looking at the top of the controlle

Pagina 9 - Ordering Information

Watlow Controls 8 EHG SL10 User’s GuideWiring the Series EHG SL10 Communications PortsThe graphic below reflects the control being held up-right wit

Pagina 10 - How to Reach Us

Watlow Controls 9 EHG SL10 User’s GuideSpecificationsPower• Isolated Universal Power Supply: 85 to 264VÅ (ac) 50/60Hz• Up to 2400 W with 10A switc

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