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Manual 909 7BI1Bus Interface

7BI1

Bus Interface

Copyright © 2018 QEI

Theory of Operation



11

The outputs from the platforms (the cathode side of the diodes) are each brought to the input
of an AND gate where they are gated with the group address signal, 4000-40FF. The outputs
from the AND gates are the actual X and Y address signals which drive the 3150 Remote
motherboard.

The remaining signals needed to interface to the 3150 boards are merely passed through the
7BI1 from the J3 connector to the P1 connector (DO-D7, AO-A2, R/W, WP, IRQ, etc.).

Three relays on the 7BI1, K1-K3, are used to drive the bus select relays on the FDPA1 or
SCU. Their contacts enter via J1.

TABLE 3-3. Relays Used to Drive Bus Select Relays

ADDRESS

SLOT

PLATFORMS

0F88-0F8F

15

X2 & X5

0F90-0F97

14

X3 & X5

0F98-0F9F

12,13

X4 & X5

0FA0-0FA7

11

X1 & X6

0FA8-0FAF

10

X2 & X6

0FB0-0FB7

9

X3 & X6

0FB8-0FBF

8

X4 & X6

0FC0-0FC7

7

X1 & X7

0FC8-0FCF

6

X2 & X7

0FD0-0FD7

5

X3 & X7

0FD8-0FDF

4

X4 & X7

0FE0-0FE7

3

X1 & X8

0FE8-0FEF

2

X2 & X8

0FF0-0FF7

1

X3 & X8

0FF8-0FFF

17

X4 & X8

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Содержание 7BI1

Страница 1: ...Manual 909 7BI1 Bus Interface November 2018 ...

Страница 2: ...rein described to improve reliability function or design QEI does not assume liability arising to the application or use of any product or circuit described herein neither does it convey any license under its patent rights nor the rights of others This manual and all data contained constitutes proprietary information of QEI and shall not be reproduced copied or disclosed to others or used as the b...

Страница 3: ...right 2018 QEI Revisions Revision Description Date A Release to Production July 1989 B Revised per Marked Print June 2001 C Formatting Update August 2001 D Formatting Update June 2013 E Formatting Update December 2015 F Updated QEI Address November 2018 ...

Страница 4: ...l Connections 6 2 Installation 7 2 1 Installation and Setup 7 3 Theory of Operation 8 4 Maintenance 10 4 1 Maintenance Philosophy 10 4 2 Preventive Maintenance 10 4 3 Corrective Maintenance 10 4 4 Troubleshooting 10 4 5 7BI1 Replacement 10 4 5 1 Ordering Spare or Replacement Subassemblies 10 4 6 Returning Defective Subassemblies 11 5 Parts List 12 6 Drawings 13 ...

Страница 5: ... of the 6CPP2 are brought to and from the motherboard of the 3150 Remote via the 7BI1 These signals are output onto the motherboard in the same fashion as with the 6CP2 Therefore the cards in the 3150 Remote see the 7BI1 as being transparent That is they are controlled by the 6CPP2 instead of the 6CP2 Eight 8 option platforms are provided so the 7BI1 can address any eight 8 of the sixteen 16 addre...

Страница 6: ...X ADDRESS 0 X0 T X ADDRESS 1 X1 M X ADDRESS 2 X2 L X ADDRESS 3 X3 S Y ADDRESS 0 Y0 K Y ADDRESS 1 Y1 J Y ADDRESS 2 Y2 H Y ADDRESS 3 Y3 16 XY ADDRESS 0 XY0 15 XY ADDRESS 1 XY1 18 XY ADDRESS 2 XY2 17 XY ADDRESS 3 XY3 21 XY ADDRESS 4 XY4 22 XY ADDRESS 5 XY5 19 XY ADDRESS 6 XY6 20 XY ADDRESS 7 XY7 13 GROUP ADDRESS 4000 40FF 3 4 4 3 BUS SELECT 0 5 6 5 4 BUS SELECT 1 6 1 BUS SELECT 2 7 2 BUS SELECT 3 1 2...

Страница 7: ... on the platforms that correspond to the card that is to be addressed With the above information install a diode in the two platforms selected at the desired position for each card TABLE 2 1 Sample Trapping Information When installing the diodes be sure to position the diode with the cathode facing toward the higher numbered pins of the platform 9 16 The anodes should always face the lower numbere...

Страница 8: ...ether That is up to four 4 different address signals from the 6CPP2 could use the same X address X2 for instance Each platform generates one of the address signals in the four by four address matrix Table 3 1 defines the platforms and their corresponding matrix signal TABLE 3 1 Platform Matrix Signal PLATFORM 4 X 4 SIGNAL X1 X0 X2 X1 X3 X2 X4 X3 X5 Y0 X6 Y1 X7 Y2 X8 Y3 The eight 8 address signals ...

Страница 9: ... the 3150 boards are merely passed through the 7BI1 from the J3 connector to the P1 connector DO D7 AO A2 R W WP IRQ etc Three relays on the 7BI1 K1 K3 are used to drive the bus select relays on the FDPA1 or SCU Their contacts enter via J1 TABLE 3 3 Relays Used to Drive Bus Select Relays ADDRESS SLOT PLATFORMS 0F88 0F8F 15 X2 X5 0F90 0F97 14 X3 X5 0F98 0F9F 12 13 X4 X5 0FA0 0FA7 11 X1 X6 0FA8 0FAF...

Страница 10: ...ss a trained staff of service personnel with a fully equipped shop containing test equipment oscilloscopes etc would be available to isolate a faulty component QEI will service its equipment at a nominal fee or without cost while the equipment is under warranty When field servicing is attempted the technician should be thoroughly familiar with the theory of operation and the circuit panel schemati...

Страница 11: ...ms 3 Identify the system by QEI s Sales order number and original location in the system Refer to Equipment Layout drawings shipped with system to locate from where the panel was removed The location is specified as a boxed letter such as the following 01 02 etc 4 Include a copy of the original purchase order or equivalent statement if the panel is still under warranty 5 Send the package via commo...

Страница 12: ...941 000 Z1 4 10 055970 049 RES PACK 100K EA 1 000 SEE 10 055970 000 U1 U2 5 10 055980 001 IC4081 14DIP QUAD 2 INP AND EA 2 000 B10 055980 001A K 1 3 6 10 056451 001 RELAY 12VDC 1 FORM C EA 3 000 A10 056451 001A C3 7 10 056604 001 CAP 047MF 20 50V CER MOND EA 1 000 SEE 10 056604 000 X1 X8 5 8 20 055637 002 PLATFORM 16 PIN EA 8 000 A20 055637 002A 3 9 20 055707 001 CARD EJECTOR EA 2 000 C20 055707 0...

Страница 13: ...ace Copyright 2018 QEI 6 Drawings This section contains the Schematic and Electrical Assembly diagrams of the 7BI1 Bus Interface card The drawings are listed in Table 6 1 TABLE 6 1 Drawings 7BI1 Bus Interface Card Schematic Diagram 00 056791 001 ...

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