7000 Series plug-in interface: Difference between revisions

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7000 Series plug-in interface (view source)

Revision as of 10:26, 20 September 2021

320 bytes added ,  20 September 2021
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| 26 || Logic Common || /SND <br />or Inter-plugin GND ''[note 8]''
| 26 || Logic Common || /SND <br />or Inter-plugin GND ''[note 8]''
|- bgcolor="Pink"
|- bgcolor="Pink"
| 27 || −5.2 V ''[note 4]'' <br />or Inter-plugin ''[note 8]'' || 5.1 V ''[note 4]'' <br />or Inter-plugin ''[note 8]''
| 27 || −5.2 V ''[note 4]'' <br />or Inter-plugin link || 5.1 V ''[note 4]'' <br />or Inter-plugin link
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|-
| 28 || Inter-plugin ''[note 8]'' || Inter-plugin ''[note 8]''
| 28 || Inter-plugin link || Inter-plugin link
|- bgcolor="LightGreen"
|- bgcolor="LightGreen"
| 29 || TS10  ''[note 3]'' || TS9 ''(DIO8)''
| 29 || TS10  ''[note 3]'' || TS9 ''(DIO8)''
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| 34 || n.c.  || n.c.  
| 34 || n.c.  || n.c.  
|-  
|-  
| 35 || bgcolor="LightGreen"| Force readout || Plugin mode ''[note 9]''
| 35 || bgcolor="LightGreen"| Force readout || Plugin mode ''[note 8]''
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|-
| 36 || n.c. || n.c.  
| 36 || n.c. || n.c.  
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* ''Aux Z Axis'' − Current-driven input to mainframe allowing plugins to modulate beam intensity, e.g. in dual timebase A intensified by B display mode; driven only when plug-in output is displayed (see ''MF Ch Switch'' above).
* ''Aux Z Axis'' − Current-driven input to mainframe allowing plugins to modulate beam intensity, e.g. in dual timebase A intensified by B display mode; driven only when plug-in output is displayed (see ''MF Ch Switch'' above).
* ''Trigger In'' − Trigger signal input on H plugin, routed from V plugin's trigger output.  Differential, 50 Ω per side, 50 mV/Div (differential).
* ''Trigger In'' − Trigger signal input on H plugin, routed from V plugin's trigger output.  Differential, 50 Ω per side, 50 mV/Div (differential).
* ''Aux Trigger In'' − Only used by [[7403N]] (= Left Vert trigger signal), [[7503]], [[7B52]].
* ''Aux Trigger In'' − Provided by 1<sup>st</sup> generation 7000 series mainframes ([[7704]], [[7504]], [[7503]], [[7403N]]).  Only known use is in the [[7B52]] timebase as an optional source for the delayed trigger.  Four-bay mainframes supply the trigger signal from the left horizontal bay to Aux Trig In on the right horizontal bay and vice versa, via 510 Ω resistors.  Three-bay mainframes supply the Left Vert trigger signal via 510 Ω resistors.
* ''Inter-Plugin Connections'' − In 1<sup>st</sup> generation 7000 series mainframes ([[7704]], [[7504]], [[7503]], [[7403N]]), pins 26B, 27A/B and 28A/B are inter-plugin connections. In the 3-bay mainframes, right vertical slot pins 27A, 27B, 28A, 28B are connected via 50 Ω striplines to horizontal slot pins 27B, 27A, 28B, 28A respectively, with ground on 26B.  Four-slot mainframes additionally make the same connections from the left vertical slot to the right horizontal slot.  ''More information needed - were any plug-ins made that used these?''
* ''GPIB lines'' − Control signal functions are the same as their [[GPIB interface|IEEE-488 (GPIB)]] equivalents.  Time slot lines 2 to 9 double as IEEE-488 data lines.
* ''GPIB lines'' − Control signal functions are the same as their [[GPIB interface|IEEE-488 (GPIB)]] equivalents.  Time slot lines 2 to 9 double as IEEE-488 data lines.
* ''TS1−TS10'' − [[7000 series readout system|readout system]] time slot pulses.  Idle 0, active −15 V.
* ''TS1−TS10'' − [[7000 series readout system|readout system]] time slot pulses.  Idle 0, active −15 V.
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''[note 7]'' B22 = /Hold input to 7D12, 7D15. Mainframe connection or use unclear.
''[note 7]'' B22 = /Hold input to 7D12, 7D15. Mainframe connection or use unclear.


''[note 8]'' Inter-Plugin Connections − In 1<sup>st</sup> generation 7000 series mainframes ([[7704]], [[7504]], [[7503]], [[7403N]]), pins 26B, 27A/B and 28A/B are inter-plugin connections.  In the 3-bay mainframes, right vertical slot pins 27A, 27B, 28A, 28B are connected via 50 Ω striplines to horizontal slot pins 27B, 27A, 28B, 28A respectively, with ground on 26B.  Four-slot mainframes additionally make the same connections from the left vertical slot to the right horizontal slot.  ''More information needed - were any plug-ins made that used these?''
''[note 8]'' The plug-in mode is supplied to the mainframe either as a resistor connected to ground (with 5% tolerance), or by supplying a DC voltage (with 0.25 V tolerance):
 
''[note 9]'' The plug-in mode is supplied to the mainframe either as a resistor connected to ground (with 5% tolerance), or by supplying a DC voltage (with 0.25 V tolerance):
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