Equipment information

Electronic Measurements Inc. SCR 1 Power supply
Manufacturer
Electronic Measurements Inc.
Model SCR 1
Date 1983
Category Measurement instruments
Group Power supply
Description
Information
                                    The following specification describe the operational
characteristics off this series of power supplys. All units
are shipped with ac barrier strip located on the back of the
unit.
Available Rating Sizes: 600W* lOOOW 1800W* 2600W

AC Input: 600W - 115 plus or minus 10% - 47-63 Hz

1Q00W — 115 plus or minus 10% 47—63 Hz

1800UJ - 115 plus or minus 10% 47-63 Hz

Note: All above units have an optional 208/220 Vac plus or
minus 107., 47-63 Hz t

260©W - 208/220 plus or minus 107. 47-63 Hi
REGULATION

Voltage Mode: For line voltage variations and load current
variations within the rating of the supply* the output
voltage will not vary more the .IX of maximum voltage rating.

Current Mode: For line voltage variations and load voltage
variations within the rating of the supply» the output
current will not vary more than . 25% of maximum current rating.

Ripple: Measured with either positive or negative grounded
and 100% output voltage fnd current into a resist ive load.
< See Rating Chart)

Stability: The output voltage or current will remain with
0.05% for 8 hours after warm-up* with constant external effects.

Transient Response: Upon instant application of loads up to
50% or

the maximum rating of the supply/ the output voltage will
typically recover to within 1 0% of its final value within
50mS Ins tan taneous line variations are corrected for
within 50mS of their occurance

Temperature Coefficient: Output voltage TC is 0.02% per
degree C of maximum rating. Output current T. C. is 0.03%
per degree of maximum rating.

Operating Temperature 0-50 degrees C with no derating
required Consult factory for output rating at higher
temperatures

These manuals are available for the above equipment:

Manual Type Service and User Manual EMI-8065-Manual-Page-1-Picture
Pages 80
Size 3.77 Mbytes (3950006 Bytes)
Language english
Revision
Manual-ID/Number
Date 01 January 1983
Quality Scanned document, reading partly badly, partly not readable.
Upload date
MD5 8cd970a0b6a7da117181cb5c7e86fd5a
Downloads 362 since 03 October 2016
Information
SECTION I GENERAL INFORMATION

1.1	Introduction	Page 1

1.2	Specifications	1

SECTION II INSTALLATION

2. I Initial Inspection	4

2.2	Mechanical Check

2.3	Power Requirements	

2.4     Cooling	5

2.5     Mechanical

SECTION III OPERATION INSTRUCTION

3.	Turn—On Check Out Procedure	7

3.1. t Over Voltage Output	8

3.2	General Operation	8

3.3	Modes of Operation	10

3. 3.  Normal Operation	10

3.3.2	Remote Sensing	11

3.	3. 3 Remote Programming	12

3.3.4	Remote Programming by External Resistance	12

3.3.5	Remote Programming by External Voltage	13

3.3.6	Remote Programming by External Current	14

3.3.7	Parallel Operation	15

3.3.8	Parallel Operation Master/Slave	16

3.3.9	Series Operation	17

3.3.	10 Remote Meters	17

SECTION IV PRINCIPLES' OF OPERATION

4.	1 General	18

4.2	Power Flow	18

4.3	Signal Flow	19

4.4	SCR Firing- Circuit	20

4.5	Metering and Auxiliary Function's	21

SECTION V MAINTENANCE AND TROUBLESHOOTING

5.	1 General	22

5.2	Inspection and Cleaning	22

5.3	Calibration	22

5.3.2	Firing Balance	23

5.4	Troubleshooting	23

5.4.	 Overall Troubleshooting Procedure	24 5. 4. 2
Troubleshooting Chart	24

5.4.3	Overvoltage Troubleshooting	27

5.5	Primary Diode Replacement
EMI-8065-Manual-Page-1-Picture


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