Keithley System 40, Instruction Manual

Page 1: ...System 40 Custom Coaxial RF Signal Routing Systems Instruction Manual Contains Operating and Servicing Information ...

Page 2: ...Y OF ITS EMPLOYEES SHALL BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF ITS INSTRUMENTS AND SOFTWARE EVEN IF KEITHLEY INSTRUMENTS INC HAS BEEN ADVISED IN ADVANCE OF THE POSSIBILITY OF SUCH DAMAGES SUCH EXCLUDED DAMAGES SHALL INCLUDE BUT ARE NOT LIM ITED TO COSTS OF REMOVAL AND INSTALLATION LOSSES SUSTAINED AS THE RESULT OF INJURY TO ANY PERS...

Page 3: ...System 40 Custom Coaxial RF Signal Routing Systems Instruction Manual 1999 Keithley Instruments Inc All rights reserved Cleveland Ohio U S A Third Printing March 2000 Document Number 40MWS 901 01 Rev C ...

Page 4: ... bered sequentially When a new Revision is created all Addenda associated with the previous Revision of the manual are incorporated into the new Revision of the manual Each new Revision includes a revised copy of this print history page Revision A Document Number 40MWS 901 01 January 1999 Revision B Document Number 40MWS 901 01 March 1999 Revision C Document Number 40MWS 901 01 March 2000 All Keit...

Page 5: ...resent A good safety practice is to expect that hazardous voltage is present in any unknown circuit before measuring Users of this product must be protected from electric shock at all times The responsible body must ensure that users are prevented access and or insulated from every connection point In some cases connections must be exposed to potential human contact Product users in these circumst...

Page 6: ...y before performing the indicated procedure The CAUTION heading in a manual explains hazards that could damage the instrument Such damage may invalidate the warranty Instrumentation and accessories shall not be connected to humans Before performing any maintenance disconnect the line cord and all test cables To maintain protection from electric shock and fire replacement components in mains circui...

Page 7: ...2 1 Operating instructions 2 2 Power limits 2 3 Switch life 2 3 Model 7020 MWS 7020 QCC specifications 2 3 Model 7020 MWS 96 pin DIN connector pinout 2 4 Model 7020 QCC 96 pin DIN connector pinout 2 7 3 Service Introduction 3 1 Troubleshooting 3 1 Troubleshooting equipment 3 1 Troubleshooting procedure 3 1 Ordering information 3 2 Factory service 3 2 Table of Contents ...

Page 8: ...s for 1x6 multiplexer 2 2 Table 2 2 Output channel terminal identification 2 4 Table 2 3 Input channel terminal identification 2 5 Table 2 4 Miscellaneous terminal identification 2 5 Table 2 5 Model 7020 MWS 50 pin header connector pinout 2 6 Table 2 6 Miscellananeous terminal identification 2 6 Table 2 7 Output channel terminal identification 2 7 Table 2 8 Input channel terminal identification 2 ...

Page 9: ...iii ...

Page 10: ...pecific information for your system is provided in the as built documentation package System 40 documentation consists of System 40 Custom Coaxial RF Signal Routing Systems Instruction Manual Model 7001 or 7002 Switch System Manual Additional Keithley standard product manuals per system configuration As built documentation package including Component list Wiring list Programming list Warranty Warr...

Page 11: ...ack rails Mark where the fasteners are to be installed 3 Referring to Figure 1 1 install four fasteners so the captive nuts are located behind the appropriate holes on the front rack rails Table 1 1 System 40 rack assembly parts Quantity Description Keithley part number Function 2 Bracket rear support BR 21B Attaches chassis rear to rear rack rails 4 10 32 Phillips pan head screw 10 32x3 8 PPH Att...

Page 12: ... electric shock Shelf mount Rack preparation 1 Select a position in the rack In most cases the weight of the System 40 dictates a position in the lower half of the rack The System 40 typically takes up 10 5 of vertical space NOTE The chassis must be mounted at a height that is an increment of 1 from the top or bottom of the rack Attempting to mount the mainframe at a non incremental height will le...

Page 13: ...e connectors suitable for the specified operating frequency range Mating connec tors must be clean must meet connector type interface specifications and must be tightened to the appropriate torque specification WARNING Contact with exposed conductors carrying RF power may cause burns Place protec tive caps on all unused switch inputs All cables and connectors should be properly mated and shielded ...

Page 14: ...and troubleshoot ing procedures The Model 7116 MWS system is a 16 input microwave multiplexer Sixteen inputs are achieved by connecting five single pole four throw switches together forming a tree switching network as shown in Figure 2 1 1 1 IN 1 1 2 IN 2 1 3 IN 3 1 4 IN 4 1 5 IN 5 1 6 IN 6 1 7 IN 7 1 8 IN 8 1 9 IN 9 1 10 IN 10 1 11 IN 11 1 12 IN 12 1 13 IN 13 1 14 IN 14 1 15 IN 15 1 16 IN 16 1 21...

Page 15: ...d re moved In either configuration of the Model 7116 MWS as one 1 16 multiplexer or with the semi rigid jumper cables removed as five 1 4 multiplexers ensure that only one channel is closed per relay and that no more than two relays are energized simultaneously per bank For further information on operation and programming refer to the Models 7001 and 7020 Instruction Manuals Table 2 1 Model 7001 c...

Page 16: ...r supplied voltage 30V max Removal of internal jumper allows user to use two different pull up voltages Maximum sink current Per Channel 300mA Per Card 2 5A Current limit Output current limited to 500mA per channel Collector emitter 1V 300mA Logic Negative true Input configuration 40 inputs with internal 10kΩ pull up resistors Characteristics Input logic low voltage 0 8V max Input logic high volta...

Page 17: ...6 OUT17 OUT18 OUT19 OUT20 2a 4a 6a 8a 10a 12a 14a 16a 18a 20a 22a 24a 26a 28a 30a 32a 2b 4b 6b 8b OUT21 OUT22 OUT23 OUT24 OUT25 OUT26 OUT27 OUT28 OUT29 OUT30 OUT31 OUT32 OUT33 OUT34 OUT35 OUT36 OUT37 OUT38 OUT39 OUT40 10b 12b 14b 16b 18b 20b 22b 24b 26b 28b 30b 32b 2c 4c 6c 8c 10c 12c 14c 16c 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 a b c View from pin...

Page 18: ... IN15 IN16 IN17 IN18 IN19 IN20 1a 3a 5a 7a 9a 11a 13a 15a 17a 19a 21a 23a 25a 27a 29a 31a 1b 3b 5b 7b IN21 IN22 IN23 IN24 IN25 IN26 IN27 IN28 IN29 IN30 IN31 IN32 IN33 IN34 IN35 IN36 IN37 IN38 IN39 IN40 9b 11b 13b 15b 17b 19b 21b 23b 25b 27b 29b 31b 1c 3c 5c 7c 9c 11c 13c 15c Terminal Connector pin no GND 5 3V 5 3V GND VEXT1 VEXT1 GND GND VEXT2 VEXT2 NC NC NC NC NC NC 17c 18c 19c 20c 21c 22c 23c 24...

Page 19: ...OUT3 OUT4 OUT5 OUT6 OUT7 OUT8 OUT9 OUT10 OUT11 OUT12 OUT13 OUT14 OUT15 OUT16 OUT17 OUT18 OUT19 OUT20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 OUT21 OUT22 OUT23 OUT24 OUT25 OUT26 OUT27 OUT28 OUT29 OUT30 OUT31 OUT32 OUT33 OUT34 OUT35 OUT36 OUT37 OUT38 OUT39 OUT40 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Terminal Connector pin no 5 2V VEXT1 VEXT2 GND GND IN1 IN2 IN3 IN4 I...

Page 20: ...UT21 OUT22 OUT23 OUT24 OUT25 OUT26 OUT27 OUT28 OUT29 OUT30 OUT31 OUT32 OUT33 OUT34 OUT35 OUT36 OUT37 OUT38 OUT39 OUT40 07b 08b 09b 10b 11b 12b 13b 01c 02c 03c 04c 05c 06c 07c 08c 09c 10c 11c 12c 13c Input channel Connector pin no Input channel Connector pin no IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 IN9 IN10 IN11 IN12 IN13 IN14 IN15 IN16 IN17 IN18 IN19 IN20 19a 20a 21a 22a 23a 24a 25a 26a 27a 28a 29a 30a ...

Page 21: ...on 2 8 Table 2 9 Miscellaneous terminal identification Terminal Connector pin no VEXT1 VEXT1 NC 5 3V GND VEXT2 N C GND N C GND VEXT2 5 3V N C N C GND 15a 16a 17a 14b 15b 16b 17b 18b 19b 14c 15c 16c 17c 18c 19c ...

Page 22: ...7001 and 7020 manuals for further information about these components Troubleshooting WARNING The information in this section is intended for qualified service personnel only Some of the procedures may expose you to hazardous voltages that could result in personal injury or death Do not attempt to perform these procedures unless you are qualified to do so Troubleshooting equipment The Model 2000 Di...

Page 23: ...refully pack the card in the original packing carton 4 Write ATTENTION REPAIR DEPT and the RMA number on the shipping label Table 3 1 Troubleshooting procedure Step Item component Required condition Comment 1 Chassis All voltages referenced to chassis 2 K1 K5 pin COM 29VDC Relay coil voltage 3 K1 pin 1 K5 pin 1 1 5V Close channel 1 4 K1 pin 2 K5 pin 1 1 5V Close channel 2 5 K1 pin 3 K5 pin 1 1 5V ...

Page 24: ...Unstable Will not read applied input Overload Calibration only CertiÞcate of calibration required Data required attach any additional sheets as necessary Show a block diagram of your measurement system including all instruments connected whether power is turned on or not Also describe signal source Where is the measurement being performed factory controlled laboratory out of doors etc What power l...

Page 25: ...Keithley Instruments Inc 28775 Aurora Road Cleveland Ohio 44139 Printed in the U S A ...