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TM500 Series plug-in interface: Difference between revisions
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'''Tektronix [[TM500 and TM5000 mainframes|TM500 mainframes]]''' provide power supplies and signal connections for [[TM500 and TM5000 plug-ins|TM500 plug-ins]]. | |||
There are two dedicated, floating 25 V<sub>AC</sub> transformer windings per slot, as well as several AC and DC buses shared by all slots.<br /> | |||
For each slot, two uncommitted transistors (one NPN and one PNP) are mounted in the mainframe. These are available for the module's power regulation circuits. | |||
The signal pin connections depend on the individual modules. For details, please see the [[Media:070-2088-00.pdf|TM 500 Rear Interface Data Book]]. | |||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
| Line 8: | Line 15: | ||
! Function | ! Function | ||
! Function | ! Function | ||
|- | |- bgcolor="Yellow" | ||
| 13 || 25 V<sub>AC</sub> winding || 25 V<sub>AC</sub> winding | | 28..14 || Signals || Signals | ||
|- | |- bgcolor="LightBlue" | ||
| 13 || 25 V<sub>AC</sub> winding #1 || 25 V<sub>AC</sub> winding #1 | |||
|- bgcolor="Pink" | |||
| 12 || +33.5 V filtered DC || +33.5 V filtered DC | | 12 || +33.5 V filtered DC || +33.5 V filtered DC | ||
|- | |- bgcolor="LightGreen" | ||
| 11 || Collector lead of PNP series pass || Base lead of PNP series pass | | 11 || Collector lead of PNP series pass || Base lead of PNP series pass | ||
|- | |- | ||
| 10 || Transformer shield lead || Emitter lead of PNP series pass | | 10 || Transformer shield lead || bgcolor="LightGreen" | Emitter lead of PNP series pass | ||
|- | |- bgcolor="Pink" | ||
| 9 || ±33.5 V common return || ±33.5 V common return | | 9 || ±33.5 V common return || ±33.5 V common return | ||
|- | |- bgcolor="Pink" | ||
| 8 || −33.5 V filtered DC || −33.5 V filtered DC | | 8 || −33.5 V filtered DC || −33.5 V filtered DC | ||
|- | |- bgcolor="LightGreen" | ||
| 7 || Collector lead of NPN series pass || Emitter lead of NPN series pass | | 7 || Collector lead of NPN series pass || Emitter lead of NPN series pass | ||
|- | |- | ||
| 6 || No connection || Base lead of NPN series pass | | 6 || No connection || bgcolor="LightGreen" | Base lead of NPN series pass | ||
|- | |- bgcolor="LightBlue" | ||
| 5 || 17.5 V<sub>AC</sub> winding || 17.5 V<sub>AC</sub> winding | | 5 || 17.5 V<sub>AC</sub> winding || 17.5 V<sub>AC</sub> winding | ||
|- | |- bgcolor="Pink" | ||
| 4 || +11.5 V common return || +11.5 V common return | | 4 || +11.5 V common return || +11.5 V common return | ||
|- | |- bgcolor="Pink" | ||
| 3 || +11.5 V common return || +11.5 V common return | | 3 || +11.5 V common return || +11.5 V common return | ||
|- | |- bgcolor="Pink" | ||
| 2 || +11.5 V filtered DC || +11.5 V filtered DC | | 2 || +11.5 V filtered DC || +11.5 V filtered DC | ||
|- | |- bgcolor="LightBlue" | ||
| 1 || 25 V<sub>AC</sub> winding || 25 V<sub>AC</sub> winding | | 1 || 25 V<sub>AC</sub> winding #2 || 25 V<sub>AC</sub> winding #2 | ||
|- | |- | ||
|} | |} | ||
| Line 39: | Line 48: | ||
Interface connections viewed from rear of power module. Pins 14 through 28 are used for signal connections. | Interface connections viewed from rear of power module. Pins 14 through 28 are used for signal connections. | ||
== | ===Pin group function legend=== | ||
:{| | |||
|- | |||
| bgcolor="Pink" | DC power and ground | |||
== | |- | ||
| bgcolor="LightBlue" | AC power | |||
|- | |||
| bgcolor="Yellow" | Signals | |||
|- | |||
| bgcolor="LightGreen" | Uncommitted transistors | |||
|} | |||
==Connector keys== | ==Connector keys== | ||
* between pins 6 and 7 - TM500 standard | * between pins 6 and 7 - TM500 standard | ||
* between pins 19 and 20 - power supply family modules | |||
* between pins 21 and 22 - measurement family modules | |||
* between pins 23 and 24 - signal source family modules | * between pins 23 and 24 - signal source family modules | ||
* between pins 25 and 26 - [[SC502]] family | * between pins 25 and 26 - [[SC502]] family | ||
* ... | * ... | ||