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ORTEC 715
EG&G ORTEC 715 Manuals
Manuals and User Guides for EG&G ORTEC 715. We have
1
EG&G ORTEC 715 manual available for free PDF download: Operating And Service Manual
EG&G ORTEC 715 Operating And Service Manual (60 pages)
Dual counter/Timer
Brand:
EG&G
| Category:
Cash Counter
| Size: 19 MB
Table of Contents
Table of Contents
5
1 Description
9
2 Specifications
10
3 Installation
13
General
13
Connection to Power
13
Scaler Interconnection
13
Signal Connections
13
Figure 3.1 Interconnection of Modules for System Operation
13
4 Operating Instructions
16
Front-Panel Controls
16
Rear-Panel Controls
16
Initial Operation and Test Procedure
17
Operation of the RESET Function and Restart Timing in the ONE CYCLE Mode
18
Setup for a Single 715 as a Counter/Timer
18
Setup for 715 as Part of a Counting System
18
Operation as a Frequency Meter
19
Operation as a Frequency Ratio Counter
19
Operation as a High-Capacity Single Scaler
19
Printing Systems
19
Figure 4.1 Signal Sequence for Transferring Data for 705 839 from a Printing Scaler to the ORTEC 432 or 432A Printout Control
19
Figure 4.2 Printed Circuit Board 715-0901 for Printout Control
20
5 Circuit Description
21
Block Diagram Analysis
21
Figure 5.1 Block Diagram of 715 Dual Counter/Timer
22
Circuit Analysis
23
Appendix
28
Figure 5.2 TTL N8280A Logic Circuit. Decade Counter/Storage Element
29
Figure 5.3 TTL N8440A Logic Circuit. Dual And/Or Invert Gate
30
Figure 5.4 TTL N8480A/N8481A Logic Circuit. Quad 2-Input NAND Gate
30
Figure 5.5 TTL N8870A Logic Circuit. Triple 3-Input NAND Gate
30
Figure 5.6 TTL N8881A Logic Circuit. Quad 2-Input NAND Gate
30
Figure 5.7 TTL N8885A Logic Circuit. Quad 2-Input nor Gate
30
Figure 5.8 TTL N8T80A Logic Circuit. Quad 2-Input NAND Interface Gate
30
Figure 5.9 TTL N8T01B Logic Circuit. Nixie Decoder/Driver
31
Figure 5.10 RTL MC817P Logic Circuit. Quad 2-Input nor Gate
31
Figure 5.11 RTL MC824P Logic Circuit. Quad 2-Input nor Gate
31
Figure 5.12 RTL MC822P Logic Circuit. J-K Flip-Flop
32
Figure 5.13 RTL MC870P BCD-To-Decimal Decoder
32
Figure 5.14 RTL MC880P Logic Circuit. Decade up Counter
33
Figure 5.15 RTL MC887P Logic Circuit. Multifunction Device (1 J-K Flip-Flop, 1 Inverter, 2 Buffers)
33
Figure 5.16 RTL MC899P Logic Circuit. Dual Buffer
33
6 Maintenance Instructions
34
Testing Performance
34
Calibration Adjustments
34
Troubleshooting Suggestions
34
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