50M40
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The Tektronix 50M40 is a relay scanner card for the MI5010.
From Tekscope Volume 13 Number 3, September 1981 page 6:
The 50M40 Programmable Relay Scanner Card serves as a low-frequency scanner accommodating up to 16 inputs or outputs. The card contains 16 mercury-wetted relays that can be configured 16-to-1, 8-to-1, or 4-to-1 by positioning jumpers. Typical uses include control of larger relays, scanning a multimeter input over several signal points, turning on lights or audible indicators, and so forth.
Key Specifications
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Links
Documents Referencing 50M40
| Document | Class | Title | Authors | Year | Links |
|---|---|---|---|---|---|
| Tekscope 1981 V13 N3.pdf | Article | TM 5000 - A New Family of IEEE-488 Programmable Instruments | Bob Metzler | 1981 | 4041 • TM5003 • TM5006 • PS5010 • FG5010 • DC5010 • DM5010 • MI5010 • MX5010 • SI5010 • 50M30 • 50M40 • 50M70 |
Prices
| Year | Catalog price | In 2026 dollars |
|---|---|---|
| 1984 | $635 | ~$2,000 |
| 1986 | $695 | ~$2,100 |
| 1988 | $695 | ~$1,900 |
| 1990 | $695 | ~$1,700 |
Pictures
Components
Some Parts Used in the 50M40
| Part | Part Number(s) | Class | Description | Used in |
|---|---|---|---|---|
| Motorola 6821 | 156-0427-03 • 156-1205-00 | Monolithic integrated circuit | "Peripheral Interface Adapter (PIA)" | 067-1137-99 • 4041 • 4052 • 4052A • 4054 • 4054A • 4662 • 4692 • Keithley 175 • Keithley 191 • 50M10 • 50M20 • 50M30 • 50M40 • 50M70 • 7250 • 7A16P • 7A29P • 7B90P • CG551AP • CG5001 • CG5010 • CG5011 |