Related Manuals for EDI 244L
Summary of Contents for EDI 244L
- Page 1 Model 242L / 244L DC Isolator Unit Operations Manual THIS MANUAL CONTAINS TECHNICAL INFORMATION FOR THE MODEL 242L AND 244L SERIES DC ISOLATOR REVISION: OCTOBER 2015 pn 888-2420-002...
- Page 2 THE MODEL 242L/244L SERIES IS DESIGNED AND MANUFACTURED IN THE USA BY EBERLE DESIGN INC. PHOENIX, ARIZONA AN ISO 9001:2015 REGISTERED COMPANY INFORMATION CONTAINED HEREIN IS PROPRIETARY TECHNICAL INFORMATION OF EBERLE DESIGN INC. PUBLICATION, REPRODUCTION OR USE IN WHOLE OR PART IS NOT PERMITTED EXCEPT UNDER TERMS AGREED UPON IN WRITING.
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Page 3: Table Of Contents
1.6.1 Trouble Analysis ................... 3 1.6.2 Trouble Shooting Sequence ................4 1.7 Specifications ......................4 1.7.1 Mechanical ....................4 1.7.2 Environmental ....................4 1.7.3 Electrical ....................... 4 1.7.4 Timing ......................5 1.7.5 242L Connections ..................5 1.7.6 244L Connections ..................5... -
Page 4: Glossary
The Model 242L and 244L are powered from the 24VDC Cabinet Power Supply and do not require AC Line. While the Model 244L is interchangeable with the Model 242L, note that the Model 244L can only be installed in the even numbered slots of a standard Input Assembly. The Model 244L half-width form factor is primarily intended for use in rack assemblies designed for double density (four channel half-width) detector/isolator units. -
Page 5: Installation And Adjustments
The sensor circuitry can be broken down into seven major blocks. Each “Input Circuit” block contains the electrical transient devices and the input biasing circuit. Although the Model 242L (244L) has two (four) DC inputs, a single digital processing section is used to process both inputs. -
Page 6: Input Circuit
The Model 242L/244L requires no adjustments or preventive maintenance. 1.6.1 TROUBLE ANALYSIS The following list should be used to trouble-shoot the Model 242L/244L installation. If the Model 242L/244L unit itself is suspect, see Section 1.6.2 for a complete internal testing sequence. -
Page 7: Trouble Shooting Sequence
Possible components at fault are: opto-coupler U8 (U9), transistor Q7 (Q8). 1.7 SPECIFICATIONS 1.7.1 MECHANICAL Height ......................4.50 inches Width (242L) ....................1.2 inches Width (244L) ....................1.2 inches Depth (excluding handle) ................. 6.875 inches 1.7.2 ENVIRONMENTAL Storage Temperature Range ..............-45 to +85 Operating Temperature Range .............. -34 to +74 Humidity Range (non-condensing) ........... -
Page 8: Timing
CH 1 Output Emitter Input CH 2 Input CH 2 Common Equipment Ground CH 2 Output Collector CH 2 Output Emitter 1.7.6 244L CONNECTIONS Edge Connector mates with connector type Cinch 50-44A-30 FUNCTION Logic Ground DC Supply Input CH 1...