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In this section:

Introduction to the Model 3721 dual 1x20 multiplexer card ...... 5-1
Available accessories: Model 3721 .......................................... 5-2
Model 3721-ST accessory board channel list........................... 5-2
Connection information: Model 3721........................................ 5-3
Schematics: Model 3721 .......................................................... 5-4
Amps channel fuse replacement procedure ............................. 5-7
Model 3721: AMPS channels fuse replacement....................... 5-8

Introduction to the Model 3721 dual 1x20 multiplexer card

The Model 3721 provides 40 differential channels and automatic cold junction compensation (CJC)
with the 3721-ST accessory. The Model 3721 has two independent banks of 1x20 two-pole
multiplexers that are ideal for general-purpose switching, including temperature measurements.

The Model 3721 provides a number of other features. In addition to the 40 channels, two fused
channels are supplied for current measurements. Also, the Model 3721 includes dedicated inputs that
enable 40 channels of 4-wire commonside ohms measurements. For thermocouple-type
measurements, automatic CJC is supported with the Model 3721-ST (screw terminal) accessory.

The Model 3721 uses two 50-pin male D-sub connectors for signal connections. For screw terminal or
automatic CJC, use the detachable Model 3721-ST accessory.

Figure 7: Model 3721

Section 5

Model 3721 multiplexer card

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Содержание 3720

Страница 1: ...m o c y e l h t i e k w w w E C N E D I F N O C F O E R U S A E M R E T A E R G A Series 3700A Switch and Control Cards Reference Manual 3700AS 909 01 Rev B December 2011...

Страница 2: ...icense html Keithley s standard terms and conditions of sale in effect at the time of acceptance of buyer s order by Keithley shall apply to all purchase of goods and performance of services from Keit...

Страница 3: ...ement control and data I O connections are for connection to Category I sources unless otherwise marked or described in the user documentation Exercise extreme caution when a shock hazard is present L...

Страница 4: ...dangers that might result in personal injury or death Always read the associated information very carefully before performing the indicated procedure The CAUTION heading in the user documentation exp...

Страница 5: ...s 3 9 Model 3720 multiplexer card 4 1 Introduction to the Model 3720 dual 1x30 multiplexer card 4 1 Available accessories Model 3720 4 2 Connection information Model 3720 4 2 Schematics Model 3720 4 3...

Страница 6: ...1 Available accessories Model 3730 9 2 Connection information Model 3730 9 2 Schematics Model 3730 9 3 Model 3731 high speed reed relay matrix card 10 1 Introduction to the Model 3731 card 10 1 Avail...

Страница 7: ...Available accessories Model 3740 12 2 Connection information Model 3740 12 2 Schematics Model 3740 12 3 Model 3750 multifunction control card 13 1 Introduction to the Model 3750 Card 13 1 Available ac...

Страница 8: ...ation connection logs A 27 Dual 4x56 configuration connection logs A 31 Single 4x112 configuration connection logs A 35 Single 8x28 2 pole configuration connection logs A 39 Dual 8x28 configuration co...

Страница 9: ...in serious injury or death comply with these safety precautions Before making or breaking any connections to the switching card make sure the Series 3700A is turned off and power is removed from all...

Страница 10: ...interface operation Printed copy delivered with the purchase of a Model 3706A instrument Product Information CD ROM http www keithley com 3700AS 900 01 Series 3700A System Switch Multimeter User s Ma...

Страница 11: ...nged as 1x30 two pole multiplexers ideal for high reliability high speed multipoint measurement applications including temperature Model 3730 6x16 high density matrix card see Model 3730 high density...

Страница 12: ...move the slot cover plate from the desired mainframe slot Retain the plate and screws for future use 4 With the top cover of the switching card facing up align the card s edge into the slot s card gui...

Страница 13: ...utions Before making or breaking any connections to the switching card make sure the instrument is turned off and power is removed from all external circuitry Do not connect signals that will exceed t...

Страница 14: ...n take the instrument out of remote mode and use the front panel Press the EXIT LOCAL EXIT key to take the instrument out of remote mode When the instrument is turned off the pseudocard is no longer a...

Страница 15: ...or Dual 1x48 multiplexer card simulation slot PSEUDO_3722 or 3722 Model 3723 Dual 1x30 reed multiplexer card simulation slot PSEUDO_3723 or 3723 Model 3724 Dual 1x30 FET multiplexer card simulation sl...

Страница 16: ...able for switching relays Therefore use care in order that Series 3700A maximum available power is not exceeded The maximum power available is limited on a per bank basis as follows Bank 1 Bank 2 Slot...

Страница 17: ...e to operate relays So it must also be taken into account when budgeting for power consumption The following table shows the power consumption of channel and backplane relays for various Series 3700A...

Страница 18: ...s and should be compared with the maximum limits Some example calculations follow Power budgeting examples Example 1 This example is for a fully loaded Model 3706A S with Model 3723 cards all 2 pole m...

Страница 19: ...Channel relays closed Backplane relays closed Slot 1 3723 107 1 Slot 2 3723 107 1 Slot 3 Empty 0 0 Slot 4 3723 107 1 Slot 5 3723 107 1 Slot 6 Empty 0 0 This produces the following power consumption Sl...

Страница 20: ...ollowing power consumption Slot 1 power consumed 700 60 x 100 4 x 100 7100 Slot 2 power consumed 700 60 x 100 4 x 100 7100 Slot 3 power consumed 700 60 x 100 4 x 100 7100 Slot 4 power consumed 700 60...

Страница 21: ...t 6 power consumed 1000 2 x 200 4 x 100 1800 Totals for each bank are calculated Slot 1 Slot 2 Slot 3 Total Bank 1 power consumed 1175 1550 875 3600 Slot 4 Slot 5 Slot 6 Total Bank 2 power consumed 34...

Страница 22: ...ate the card power of the 3750 for digital inputs and two analog voltage outputs Setup Power Notes 3300 Static power required of card under default conditions that is all functions enabled CH 1 throug...

Страница 23: ...wer source for anything other than energizing the interlock relay It is not designed for external circuit use Be sure to provide a low resistance path between the interlock pins for reliable operation...

Страница 24: ...50 n911 through n917 n041 n042 Amps n928 DMM HI SHI Multiplexer 2 1 34 n921 through n927 3722 No Interlocks Present 3723 Multiplexer 1 76 78 n911 through n916 Multiplexer 2 76 78 n921 through n926 372...

Страница 25: ...kplane connection relays This connection allows the mainframe to reconfigure the card to a single 1 60 two pole multiplexer or to enable card to card expansion for even larger configurations Other fea...

Страница 26: ...ssembly 1 5 m 4 9 ft Model 3720 MTC 3 78 pin female to male D sub cable assembly 3 m 9 8 ft Model 3720 ST Screw Terminal panel with CJC sensor Model 3791 KIT78 R 78 pin female D sub connector kit sold...

Страница 27: ...ference Manual Section 4 Model 3720 multiplexer card 3700AS 909 01 Rev A Preliminary 4 3 Schematics Model 3720 The following figure provides a switching schematic for the Model 3720 Figure Model 3720...

Страница 28: ...witch and Control Cards Reference Manual 4 4 3700AS 909 01 Rev B December 2011 The next figure is a diagram of the screw terminal assembly Figure Model 3720 screw terminal assembly circuit board Figur...

Страница 29: ...1 has two independent banks of 1x20 two pole multiplexers that are ideal for general purpose switching including temperature measurements The Model 3721 provides a number of other features In addition...

Страница 30: ...ch channel on the Model 3721 Channel 3721 ST terminal board silkscreen label Multiplexer 1 Output MUX 1 OUT 1 20 1 20 Multiplexer 2 Output MUX 2 OUT 21 40 21 40 Amps Channel 41 AMP1 Amps Channel 42 AM...

Страница 31: ...odel 3721 multiplexer card 3700AS 909 01 Rev A Preliminary 5 3 Connection information Model 3721 Refer to the following figure for the Model 3721 D sub connection information Figure Model 3721 pin con...

Страница 32: ...Control Cards Reference Manual 5 4 3700AS 909 01 Rev B December 2011 Schematics Model 3721 The following figure provides a switching schematic for the Model 3721 in two pole mode Figure Model 3721 sc...

Страница 33: ...el 3721 multiplexer card 3700AS 909 01 Rev A Preliminary 5 5 The following figure provides a switching schematic for the Model 3721 in 4 wire commonside ohms mode Figure Model 3721 wiring diagram Figu...

Страница 34: ...xample to print out the channel images on this card when in slot 2 after a reset operation send the following reset print channel getimage slot2 Output 2001 2002 2003 2004 2005 2006 2007 2008 2009 201...

Страница 35: ...lows fuses locate and correct the cause of the problem before replacing the fuse To replace the amps channel fuse 1 Remove the top shield cover A Unscrew the number 4 40 screw 1 as shown in the Shield...

Страница 36: ...ments part number 250 V 3A Fast blow 5 x 20 mm FU 99 1 Model 3721 AMPS channels fuse replacement Channels 41 and 42 are protected by series fuses In the event of an overload both channels and the DMM...

Страница 37: ...eter DMM through the analog backplane connection relays This connection allows the mainframe to reconfigure the card as a single 1 96 two pole multiplexer or to enable card to card expansion for even...

Страница 38: ...l 3722 MTC 1 5 104 pin male to female D sub cable assembly 1 5 m 4 9 ft Model 3722 MTC 3 104 pin male to female D sub cable assembly 3 m 9 8 ft Model 3792 KIT104 R 104 pin male D sub connector kit sol...

Страница 39: ...al Section 6 Model 3722 high density multiplexer card 3700AS 909 01 Rev B December 2011 6 3 Schematics Model 3722 The following figure provides a switching schematic for the Model 3722 Figure Model 37...

Страница 40: ...the mainframe to reconfigure the Model 3723 as a single 1 60 two pole multiplexer or as a single 1 30 single pole multiplexer It also enables card to card expansion for even larger configurations By...

Страница 41: ...accessories Model 3723 Accessory model number Description Model 3720 MTC 1 5 78 pin female to male D sub cable assembly 1 5 m 4 9 ft Model 3720 MTC 3 78 pin female to male D sub cable assembly 3 m 9...

Страница 42: ...909 01 Rev A Preliminary 7 3 Connection information Model 3723 Refer to the following figures for the Model 3723 D sub connection information Figure Model 3723 pin connections Figure 18 D sub connect...

Страница 43: ...Switch and Control Cards Reference Manual 7 4 3700AS 909 01 Rev B December 2011 Schematics Model 3723 The following figure provides a switching schematic for the Model 3723 in two pole mode Figure Mod...

Страница 44: ...n 7 Model 3723 high speed reed relay multiplexer card 3700AS 909 01 Rev A Preliminary 7 5 The following figure provides a switching schematic for the Model 3723 in single pole mode Figure Model 3723 w...

Страница 45: ...es 3700A Switch and Control Cards Reference Manual 7 6 3700AS 909 01 Rev B December 2011 The next figure is a diagram of the screw terminal assembly Figure Model 3723 screw terminal assembly circuit b...

Страница 46: ...reed relay multiplexer card 3700AS 909 01 Rev A Preliminary 7 7 NOTE The Model 3723 ST 1 screw terminal assembly has a chassis ground connection for connecting a cable shield see next figure Figure Mo...

Страница 47: ...This connection allows the mainframe to reconfigure the card to a single 1 60 two pole multiplexer or to enable card to card expansion for even larger configurations Other features of the Model 3724 i...

Страница 48: ...5 m 4 9 ft Model 3720 MTC 3 78 pin D sub female to male cable 3 m 9 8 ft Model 3724 ST Screw terminal panel Model 3791 CIT Contact insertion and extraction tool Model 3791 KIT78 R 78 pin female D sub...

Страница 49: ...rence Manual Section 8 Model 3724 FET multiplexer card 3700AS 909 01 Rev A Preliminary 8 3 Schematics Model 3724 The following figure provides a switching schematic for the Model 3724 Figure Model 372...

Страница 50: ...Switch and Control Cards Reference Manual 8 4 3700AS 909 01 Rev B December 2011 The next Figure is a diagram of the screw terminal assembly Figure Model 3724 screw terminal assembly circuit board Figu...

Страница 51: ...bination of 16 devices under test DUTs Any row can be connected to the Series 3700A mainframe backplane by using the analog backplane connection relays This allows for easy matrix column expansion A m...

Страница 52: ...female to male D sub cable assembly 1 5 m 4 9 ft Model 3721 MTC 3 50 pin female to male D sub cable assembly 3 m 9 8 ft Model 3730 ST Screw terminal panel Model 3790 KIT50 R 50 pin female D sub conne...

Страница 53: ...on 9 Model 3730 high density matrix card 3700AS 909 01 Rev B December 2011 9 3 Schematics Model 3730 The following figure provides a relay schematic for the Model 3730 Figure Model 3730 simplified cro...

Страница 54: ...generates an error To connect a DMM configuration to matrix channels create a channel pattern with desired channels and analog backplane relays NOTE For channel patterns the system does not verify if...

Страница 55: ...demanding throughput applications In addition the Model 3731 is designed for long life exceeding one billion operations The Model 3731 can connect up to six differential instrument channels to any com...

Страница 56: ...1 MTC 3 50 pin female to male D sub cable assembly 3 m 9 8 ft Model 3731 ST Screw terminal panel Model 3731 KIT50 R 50 pin female D sub connector kit solder cup contacts Connection information Model 3...

Страница 57: ...high speed reed relay matrix card 3700AS 909 01 Rev A Preliminary 10 3 Schematics Model 3731 The following figure provides a relay schematic for the Model 3731 Figure Model 3731 simplified crosspoint...

Страница 58: ...700AS 909 01 Rev B December 2011 The next figure is a diagram of the screw terminal assembly NOTE The Model 3731 ST screw terminal assembly has a chassis ground connection for connecting a cable shiel...

Страница 59: ...odel 3732 card11 51 Pseudocard support for the Model 3732 11 52 Using remote commands from a remote interface 11 52 Introduction The Model 3732 quad 4x28 ultra high density reed relay matrix card has...

Страница 60: ...Relay Matrix Card are listed in the table below Model 3732 available accessories Accessory model number Description Model 3732 ST C Column expansion screw terminal assembly for quad 4x28 dual 5x56 an...

Страница 61: ...t alphanumeric sequence The first digit is always the slot number of the card in the mainframe The remaining digits vary depending on the type of card Channel types There are six channel types used to...

Страница 62: ...ies 3700A Switch and Control Cards Reference Manual 11 4 3700AS 909 01 Rev B December 2011 Multiplexer examples References Slot Channel 1004 1 004 1020 1 020 2100 2 100 3003 3 003 Figure Multiplexer c...

Страница 63: ...mber is either 1 to 8 or A to Z See your card documentation Column number Always two digits For columns greater than 99 use A B C and so on to represent 10 11 12 the resulting counting sequence is 98...

Страница 64: ...verter channels use SIII where S Slot number III Index number always use 3 digits Digital I O totalizer and DAC examples Reference Slot Channel 1004 1 004 1020 1 020 2100 2 100 3003 3 003 Configuratio...

Страница 65: ...when you turn on the instrument power after removing a screw terminal that was connected when the instrument was last turned on To ensure that you do not change your configuration note that the Serie...

Страница 66: ...nal assembly NOTE The Model 3732 ST C screw terminal assembly is labeled to show the correct connections for the default quad 4x28 configuration Insertable overlays are provided with the screw termina...

Страница 67: ...ings The next table shows the jumper settings for the configurations available using the Model 3732 ST C screw terminal assembly with your Model 3732 card Model 3732 ST C jumper settings ID2 ID1 Confi...

Страница 68: ...screw terminal assembly is labeled to show the correct connections for the dual 8x28 configuration Insertable overlays are provided with the screw terminal assembly that show the correct wiring for th...

Страница 69: ...in 76 Open Open Open J4 Pin 77 Open J4 Pin 77 BPID2 J4 Pin 78 Open J4 Pin 77 Open J4 Pin 77 Not used Not used BPID3 J3 Pin 77 Open Open J4 Pin 77 Open J4 Pin 77 J4 Pin 77 IILK J3 Pin 76 J3 Pin 78 J3 P...

Страница 70: ...hannel specifiers and the two notation styles used with the Model 3732 card A channel specifier is a four or five digit alphanumeric sequence that specifies channels for use with close and open operat...

Страница 71: ...32 configurations use numbers for the rows except the single 16x28 configuration which uses numbers and the letters A and B for the rows Matrix channel examples The next table shows some examples of p...

Страница 72: ...11 Analog backplane 1 10912 Analog backplane 2 10913 Analog backplane 3 10914 Analog backplane 4 10915 Analog backplane 5 10916 Analog backplane 6 10917 Analog backplane 1 10918 Analog backplane 2 Car...

Страница 73: ...8 D sub pin connections Figure 43 Quad 4x28 D sub pin connections J3 J4 C306 C313 C311 C312 C319 C327 C328 C326 C325 C415 C416 C414 C413 C427 C428 C426 C425 C308 C321 C322 C324 C323 C320 C318 C417 C41...

Страница 74: ...l naming Quad 4x28 configuration The Model 3732 is set to the quad 4x28 configuration by default The next tables show the pin signal name for each pin on each of the D sub connectors and list the loca...

Страница 75: ...eference Manual Section 11 Model 3732 quad 4x28 reed relay matrix card 3700AS 909 01 Rev A Preliminary 11 17 J4 D sub connector pin assignments for the quad 4x28 configuration Table 2 Model 3732 J4 D...

Страница 76: ...13203 13202 13201 13328 13327 13326 13325 13324 13323 13322 13304 13303 13302 13301 13428 13427 13426 13425 13424 13423 13422 13404 13403 13402 13401 R31 R32 R33 R34 Crosspoints 305 to 321 omitted AB3...

Страница 77: ...on Figure Dual 4x56 D sub pin connections Figure 45 Dual 4x56 D sub pin connections R14 C206 C213 C211 C212 C219 C227 C228 C226 C225 C243 C244 C242 C231 C255 C256 C254 C253 C208 C221 C222 C224 C223 C2...

Страница 78: ...r 2011 Pin assignments and signal naming Dual 4x56 configuration The next tables show the pin signal name for each pin on each of the D sub connectors and list the location of the connection in the sw...

Страница 79: ...eference Manual Section 11 Model 3732 quad 4x28 reed relay matrix card 3700AS 909 01 Rev A Preliminary 11 21 J4 D sub connector pin assignments for the dual 4x56 configuration Table 4 Model 3732 J4 D...

Страница 80: ...2 12204 12203 12202 12201 12328 12327 12326 12325 12324 12323 12322 12304 12303 12302 12301 12428 12427 12426 12425 12424 12423 12422 12404 12403 12402 12401 R21 R22 R23 R24 Crosspoints 205 to 221 omi...

Страница 81: ...single 4x112 configuration Figure Single 4x112 D sub pin configuration Figure 47 Single 4x112 D sub pin connections R14 C162 C169 C167 C168 C175 C183 C184 C182 C181 C199 C1A0 C198 C197 C1B1 C1B2 C1B0...

Страница 82: ...011 Pin assignments and signal naming Single 4x112 configuration The next tables show the pin signal name for each pin on each of the D sub connectors and list the location of the connection in the sw...

Страница 83: ...erence Manual Section 11 Model 3732 quad 4x28 reed relay matrix card 3700AS 909 01 Rev A Preliminary 11 25 J4 D sub connector pin assignments for the single 4x112 configuration Table 6 Model 3732 J4 D...

Страница 84: ...1483 11482 11481 11480 11473 11472 11471 11470 11458 11457 R11 R12 R13 R14 Crosspoints 159 to 169 omitted AB3_H 10913 AB3_L AB4_H 10914 AB4_L C156 C155 C154 C153 C152 C145 C144 C143 C142 C130 C129 111...

Страница 85: ...16 C215 C209 C210 C212 C210 C209 C211 C206 R26 C205 C207 R22 C205 C203 R23 C204 C202 C201 C207 C201 R28 R24 R25 C208 C202 BPID1 BPID2 KI_ GNDD C106 C113 C111 C112 C119 C127 C128 C126 C125 C115 C116 C1...

Страница 86: ...r 2011 Pin assignments and signal naming Dual 8x28 configuration The next tables show the pin signal name for each pin on each of the D sub connectors and list the location of the connection in the sw...

Страница 87: ...eference Manual Section 11 Model 3732 quad 4x28 reed relay matrix card 3700AS 909 01 Rev A Preliminary 11 29 J4 D sub connector pin assignments for the dual 8x28 configuration Table 8 Model 3732 J4 D...

Страница 88: ...1228 11227 11226 11225 11224 11223 11222 11214 11213 11212 11211 11328 11327 11326 11325 11324 11323 11322 11314 11313 11312 11311 11428 11427 11426 11425 11424 11423 11422 11414 11413 11412 11411 R11...

Страница 89: ...27 C128 C126 C125 C115 C116 C114 C113 C127 C128 C126 C125 C108 C121 C122 C124 C123 C120 C118 C117 C118 C123 C124 C122 C121 C103 R115 C104 C117 C120 C119 R19 C114 C116 C115 C109 C110 C112 C110 C109 C11...

Страница 90: ...11 Pin assignments and signal naming Single 16x28 configuration The next tables show the pin signal name for each pin on each of the D sub connectors and list the location of the connection in the swi...

Страница 91: ...ence Manual Section 11 Model 3732 quad 4x28 reed relay matrix card 3700AS 909 01 Rev A Preliminary 11 33 J4 D sub connector pin assignments for the single 16x28 configuration Table 10 Model 3732 J4 D...

Страница 92: ...N_H 10918 SEN_L 11I28 11I27 11I26 11I25 11I24 11I23 11I22 11I04 11I03 11I02 11I01 11J28 11J27 11J26 11J25 11J24 11J23 11J22 11J04 11J03 11J02 11J01 11K28 11K27 11K26 11K25 11K24 11K23 11K22 11K04 11K0...

Страница 93: ...active To set up the Model 3732 card for 2 pole operation you first configure the card s hardware for the appropriate 1 pole operation and then enable 2 pole operation using the Model 3706A software...

Страница 94: ...sub pin connections Figure 53 Dual 4x28 2 pole D sub pin connections J3 J4 C206H C213H C211H C212H C219H C227H C228H C226H C225H C215L C216L C214L C213L C227L C228L C226L C225L C208H C221H C222H C224H...

Страница 95: ...in assignments and signal naming Dual 4x28 2 pole configuration The next tables show the pin signal name for each pin on each of the D sub connectors and list the location of the connection in the swi...

Страница 96: ...atrix card Series 3700A Switch and Control Cards Reference Manual 11 38 3700AS 909 01 Rev B December 2011 J4 D sub connector pin assignments for the dual 4x28 2 pole configuration Table 12 Model 3732...

Страница 97: ...13123 13122 13104 13103 13102 13101 13228 13227 13226 13225 13224 13223 13222 13204 13203 13202 13201 13328 13327 13326 13325 13324 13323 13322 13304 13303 13302 13301 13428 13427 13426 13425 13424 1...

Страница 98: ...119L C127L C128L C126L C125L C115L C116L C114L C113L C127L C128L C126L C125L C108L C121L C122L C124L C123L C120L C118L C117L C118L C123L C124L C122L C121L C103L R17L C104L C117L C120L C119L R11L C114L...

Страница 99: ...assignments and signal naming Single 4x56 2 pole configuration The next tables show the pin signal name for each pin on each of the D sub connectors and list the location of the connection in the swit...

Страница 100: ...rix card Series 3700A Switch and Control Cards Reference Manual 11 42 3700AS 909 01 Rev B December 2011 J4 D sub connector pin assignments for the single 4x56 2 pole configuration Table 14 Model 3732...

Страница 101: ...125 12124 12123 12122 12104 12103 12102 12101 12228 12227 12226 12225 12224 12223 12222 12204 12203 12202 12201 12328 12327 12326 12325 12324 12323 12322 12304 12303 12302 12301 12428 12427 12426 1242...

Страница 102: ...11L C112L C119L C127L C128L C126L C125L C115L C116L C114L C113L C127L C128L C126L C125L C108L C121L C122L C124L C123L C120L C118L C117L C118L C123L C124L C122L C121L C103L R17L C104L C117L C120L C119L...

Страница 103: ...assignments and signal naming Single 8x28 2 pole configuration The next tables show the pin signal name for each pin on each of the D sub connectors and list the location of the connection in the swit...

Страница 104: ...rix card Series 3700A Switch and Control Cards Reference Manual 11 46 3700AS 909 01 Rev B December 2011 J4 D sub connector pin assignments for the single 8x28 2 pole configuration Table 16 Model 3732...

Страница 105: ...15H R16H R17H R18H C128H C127H C126H C125H C124H C123H C122H C104H C103H C102H C101H 11128 11127 11126 11125 11124 11123 11122 11114 11113 11112 11111 11228 11227 11226 11225 11224 11223 11222 11214 1...

Страница 106: ...ne has six dual paths 12 signal paths cross card column expansion is limited to 12 rows If you need to expand the columns by more than 12 rows use external wiring to make the necessary row interconnec...

Страница 107: ...rix 1 Configure both Model 3732 cards as single 4x56 2 pole matrices 2 Close backplane relays 10913 10914 10915 10916 20913 20914 20915 and 20916 Using the Model 3732 with a digital multimeter There a...

Страница 108: ...e connections when using the backplane relays to connect from Model 3732 rows to the Model 3706A use 1 pole mode for all channels and use channel patterns to close both the channel relays and appropri...

Страница 109: ...selected channel number In versions after the introduction of the Model 3732 card the plus sign has been moved to the second line This change applies to all cards Figure Matrix card display example F...

Страница 110: ...have been added to support the Model 3732 card Description Pseudocard number Quad 4x28 matrix 37320 or 3732A Dual 4x56 matrix 37321 Single 4x112 matrix 37322 Dual 8x28 matrix 37323 Single 16x28 matrix...

Страница 111: ...els are provided If any general purpose signal requires routing to the Series 3700A mainframe backplane terminal blocks that can be enabled through jumpers are located on the card Custom configuration...

Страница 112: ...n female to male D sub cable assembly 1 5 m 4 9 ft Model 3721 MTC 3 50 pin female to male D sub cable assembly 3 m 9 8 ft Model 3740 ST Screw terminal panel Model 3790 KIT50 R 50 pin female D sub conn...

Страница 113: ...Manual Section 12 Model 3740 general purpose card 3700AS 909 01 Rev A Preliminary 12 3 Schematics Model 3740 The following figure provides a switching schematic for the Model 3740 Figure Model 3740 s...

Страница 114: ...909 01 Rev B December 2011 The next figure is a diagram of the screw terminal assembly NOTE The Model 3740 ST screw terminal assembly has a chassis ground connection for connecting a cable shield Figu...

Страница 115: ...odel 3750 Multifunction I O Card has 40 bidirectional digital I O bits arranged in five banks of eight bits each Each bank can be configured as either inputs or outputs One bank of I O is equivalent t...

Страница 116: ...5 50 pin female to male D sub cable assembly 1 5 m 4 9 ft Model 3721 MTC 3 50 pin female to male D sub cable assembly 3 m 9 8 ft Model 3750 ST Screw terminal panel Model 3790 KIT50 R 50 pin female D...

Страница 117: ...Rev A Preliminary 13 3 Schematics Model 3750 The next figure is a diagram of the screw terminal assembly NOTE The Model 3750 ST screw terminal assembly has a chassis ground connection for connecting...

Страница 118: ...banks Each bank is referenced as a channel from 1 through 5 The 8 bits in each bank or channel can be programmed as either input or output Additional features include scanning capabilities such as wr...

Страница 119: ...ified schematic of a digital I O channel Figure 68 Simplified schematic of a digital I O channel The figure shows a simplified schematic for one bit of a digital I O channel Each I O bit has an option...

Страница 120: ...logic circuits Limited 5 V is available and is intended for powering logic circuits It is fused to prevent damage if the output is shorted The fuse is a resettable type whose recovery time depends on...

Страница 121: ...exer use the scan create command scan create 1001 1060 2006 To read more than one bank at a time the width needs to be specified with the scan add command For example to read 32 bits of digital input...

Страница 122: ...old voltage is programmable and can be either 0 V or a TTL level 1 5 V Counting occurs when the rising or falling edge on the input signal passes through the defined threshold The edge to be counted c...

Страница 123: ...he gate input determines whether the totalizer ignores or counts when the appropriate totalizer threshold is crossed Gating is enabled by default that is the two inputs that control gating are biased...

Страница 124: ...turn signals must be connected appropriately Each output is connected through an onboard output relay Both the output signal and its corresponding return are connected at the same time that the output...

Страница 125: ...e potentially long thermal recovery times after the fault has been cleared To use the output in auto protect mode channel setmode 1010 channel MODE_PROTECT_VOLTAGE_1 Using the card when configured as...

Страница 126: ...voltage can help compensate For current outputs excessive amounts of series resistance can also cause a problem if the output voltage rises to near the compliance level At voltages above the specified...

Страница 127: ...ntrol Cards Reference Manual Section 13 Model 3750 multifunction control card 3700AS 909 01 Rev A Preliminary 13 13 Figure 71 Removing the top shield Figure Location of P3 and J5 jumpers Figure 72 Loc...

Страница 128: ...calibrated The Model 3750 supports automatic in system calibration if a DMM is present Otherwise an external DMM of 6 5 digits of accuracy or better can be used NOTE When performing a user calibratio...

Страница 129: ...Set current 0 mA to 20 mA range generate point 1 10 Send reading 11 Set current 0 mA to 20 mA range generate point 2 12 Send reading 13 Set current 4 mA to 20 mA range generate point 1 14 Send reading...

Страница 130: ...r enable 1 Perform the 16 steps of calibration using the internal DMM readings changing ranges where appropriate Provide delays before taking readings to allow for settling Write the reading value int...

Страница 131: ...ECT_VOLTAGE_1 channel setmode 1000 slot_num 11 channel MODE_PROTECT_VOLTAGE_1 channel setoutputenable 1000 slot_num 10 channel OFF channel setoutputenable 1000 slot_num 11 channel OFF channel write 10...

Страница 132: ...s Setting and meeting match counts Matching allows you to set a state or generate an event when achieving a match instead of continually reading the totalizer count For example you can set a totalizer...

Страница 133: ...n be read using channel getstate Power consumption implications The Model 3750 draws a significant amount of power from the Model 3706 mainframe in order to perform all of its functions In cases where...

Страница 134: ...ves power and results in more reserves available Another example is to turn all digital I O as inputs when they are not needed as outputs Balance the power across banks In the Model 3706 mainframe the...

Страница 135: ...log A 4 Model 3722 connection log A 6 Model 3723 connection logs A 9 Model 3724 connection log A 14 Model 3730 connection log A 18 Model 3732 connection logs A 18 Model 3740 connection log A 46 Model...

Страница 136: ...d Control Cards Reference Manual A 2 3700AS 909 01 Rev B December 2011 Model 3720 connection log The following figures provide a sample of a connection log that can be used to record the wiring scheme...

Страница 137: ...Series 3700A Switch and Control Cards Reference Manual Appendix A Series 3700 cards connection logs 3700AS 909 01 Rev A Preliminary A 3 Figure 74 Sample Model 3720 connection log 2 of 2...

Страница 138: ...d Control Cards Reference Manual A 4 3700AS 909 01 Rev B December 2011 Model 3721 connection log The following figures provide a sample of a connection log that can be used to record the wiring scheme...

Страница 139: ...Series 3700A Switch and Control Cards Reference Manual Appendix A Series 3700 cards connection logs 3700AS 909 01 Rev A Preliminary A 5 Figure 76 Sample Model 3721 connection log 2 of 2...

Страница 140: ...d Control Cards Reference Manual A 6 3700AS 909 01 Rev B December 2011 Model 3722 connection log The following figures provide a sample of a connection log that can be used to record the wiring scheme...

Страница 141: ...Series 3700A Switch and Control Cards Reference Manual Appendix A Series 3700 cards connection logs 3700AS 909 01 Rev A Preliminary A 7 Figure 78 Sample Model 3722 connection log 2 of 3...

Страница 142: ...Appendix A Series 3700 cards connection logs Series 3700A Switch and Control Cards Reference Manual A 8 3700AS 909 01 Rev B December 2011 Figure 79 Sample Model 3722 connection log 3 of 3...

Страница 143: ...tion logs 3700AS 909 01 Rev A Preliminary A 9 Model 3723 connection logs Model 3723 connection log 60 channel The following figures provide a sample of a connection log that can be used to record the...

Страница 144: ...Appendix A Series 3700 cards connection logs Series 3700A Switch and Control Cards Reference Manual A 10 3700AS 909 01 Rev B December 2011 Figure 81 Sample Model 3723 connection log 60 channel 2 of 2...

Страница 145: ...cards connection logs 3700AS 909 01 Rev A Preliminary A 11 Model 3723 connection log 120 channel The following figures provide a sample of a connection log that can be used to record the wiring scheme...

Страница 146: ...Appendix A Series 3700 cards connection logs Series 3700A Switch and Control Cards Reference Manual A 12 3700AS 909 01 Rev B December 2011 Figure 83 Sample Model 3723 connection log 120 channel 2 of 4...

Страница 147: ...Series 3700A Switch and Control Cards Reference Manual Appendix A Series 3700 cards connection logs 3700AS 909 01 Rev A Preliminary A 13 Figure 84 Sample Model 3723 connection log 120 channel 3 of 4...

Страница 148: ...Appendix A Series 3700 cards connection logs Series 3700A Switch and Control Cards Reference Manual A 14 3700AS 909 01 Rev B December 2011 Figure 85 Sample Model 3723 connection log 120 channel 4 of 4...

Страница 149: ...l 3724 connection log The following table provides a sample of a connection log that can be used to record the wiring scheme for this module LChannel Color Pin Number H OUTPUT 1 L H CH1 L H CH2 L H CH...

Страница 150: ...Manual A 16 3700AS 909 01 Rev B December 2011 LChannel Color Pin Number H CH20 L H CH21 L H CH22 L H CH23 L H CH24 L H CH25 L H CH26 L H CH27 L H CH28 L H CH29 L H CH30 L H OUTPUT 2 L H CH31 L H CH32...

Страница 151: ...x A Series 3700 cards connection logs 3700AS 909 01 Rev A Preliminary A 17 LChannel Color Pin Number H CH43 L H CH44 L H CH45 L H CH46 L H CH47 L H CH48 L H CH49 L H CH50 L H CH51 L H CH52 L H CH53 L...

Страница 152: ...18 3700AS 909 01 Rev B December 2011 Model 3730 connection log The following figures provide a sample of a connection log that can be used to record the wiring scheme for this module Figure 86 Sample...

Страница 153: ...3H 1 Row 4 High R14H 1 Column 1 High C101H 1 Column 2 High C102H 1 Column 3 High C103H 1 Column 4 High C104H 1 Column 5 High C105H 1 Column 6 High C106H 1 Column 7 High C107H 1 Column 8 High C108H 1 C...

Страница 154: ...2L 1 Column 3 Low C103L 1 Column 4 Low C104L 1 Column 5 Low C105L 1 Column 6 Low C106L 1 Column 7 Low C107L 1 Column 8 Low C108L 1 Column 9 Low C109L 1 Column 10 Low C110L 1 Column 11 Low C111L 1 Colu...

Страница 155: ...3 High C203H 2 Column 4 High C204H 2 Column 5 High C205H 2 Column 6 High C206H 2 Column 7 High C207H 2 Column 8 High C208H 2 Column 9 High C209H 2 Column 10 High C210H 2 Column 11 High C211H 2 Column...

Страница 156: ...2L 2 Column 3 Low C203L 2 Column 4 Low C204L 2 Column 5 Low C205L 2 Column 6 Low C206L 2 Column 7 Low C207L 2 Column 8 Low C208L 2 Column 9 Low C209L 2 Column 10 Low C210L 2 Column 11 Low C211L 2 Colu...

Страница 157: ...on 1 of 4 Bank Connection Pin signal name Color Description 1 Row 1 R11 1 Row 2 R12 1 Row 3 R13 1 Row 4 R14 1 Column 1 C101 1 Column 2 C102 1 Column 3 C103 1 Column 4 C104 1 Column 5 C105 1 Column 6 C...

Страница 158: ...3 R23 2 Row 4 R24 2 Column 1 C201 2 Column 2 C202 2 Column 3 C203 2 Column 4 C204 2 Column 5 C205 2 Column 6 C206 2 Column 7 C207 2 Column 8 C208 2 Column 9 C209 2 Column 10 C210 2 Column 11 C211 2 Co...

Страница 159: ...R33 3 Row 4 R34 3 Column 1 C301 3 Column 2 C302 3 Column 3 C303 3 Column 4 C304 3 Column 5 C305 3 Column 6 C306 3 Column 7 C307 3 Column 8 C308 3 Column 9 C309 3 Column 10 C310 3 Column 11 C311 3 Col...

Страница 160: ...3 R43 4 Row 4 R44 4 Column 1 C401 4 Column 2 C402 4 Column 3 C403 4 Column 4 C404 4 Column 5 C405 4 Column 6 C406 4 Column 7 C407 4 Column 8 C408 4 Column 9 C409 4 Column 10 C410 4 Column 11 C411 4 Co...

Страница 161: ...w 2 High R12H 1 Row 3 High R13H 1 Row 4 High R14H 1 Column 1 High C101H 1 Column 2 High C102H 1 Column 3 High C103H 1 Column 4 High C104H 1 Column 5 High C105H 1 Column 6 High C106H 1 Column 7 High C1...

Страница 162: ...H 1 Column 33 High C133H 1 Column 34 High C134H 1 Column 35 High C135H 1 Column 36 High C136H 1 Column 37 High C137H 1 Column 38 High C138H 1 Column 39 High C139H 1 Column 40 High C140H 1 Column 41 Hi...

Страница 163: ...2L 1 Column 3 Low C103L 1 Column 4 Low C104L 1 Column 5 Low C105L 1 Column 6 Low C106L 1 Column 7 Low C107L 1 Column 8 Low C108L 1 Column 9 Low C109L 1 Column 10 Low C110L 1 Column 11 Low C111L 1 Colu...

Страница 164: ...2 Low C132L 1 Column 33 Low C133L 1 Column 34 Low C134L 1 Column 35 Low C135L 1 Column 36 Low C136L 1 Column 37 Low C137L 1 Column 38 Low C138L 1 Column 39 Low C139L 1 Column 40 Low C140L 1 Column 41...

Страница 165: ...on 1 of 4 Bank Connection Pin signal name Color Description 1 Row 1 R11 1 Row 2 R12 1 Row 3 R13 1 Row 4 R14 1 Column 1 C101 1 Column 2 C102 1 Column 3 C103 1 Column 4 C104 1 Column 5 C105 1 Column 6 C...

Страница 166: ...C129 1 Column 30 C130 1 Column 31 C131 1 Column 32 C132 1 Column 33 C133 1 Column 34 C134 1 Column 35 C135 1 Column 36 C136 1 Column 37 C137 1 Column 38 C138 1 Column 39 C139 1 Column 40 C140 1 Colum...

Страница 167: ...R23 2 Row 4 R24 2 Column 1 C201 2 Column 2 C202 2 Column 3 C203 2 Column 4 C204 2 Column 5 C205 2 Column 6 C206 2 Column 7 C207 2 Column 8 C208 2 Column 9 C209 2 Column 10 C210 2 Column 11 C211 2 Col...

Страница 168: ...C229 2 Column 30 C230 2 Column 31 C231 2 Column 32 C232 2 Column 33 C233 2 Column 34 C234 2 Column 35 C235 2 Column 36 C236 2 Column 37 C237 2 Column 38 C238 2 Column 39 C239 2 Column 40 C240 2 Colum...

Страница 169: ...uration 1 of 4 Bank Connection Pin signal name Color Description 1 Row 1 R11 1 Row 2 R12 1 Row 3 R13 1 Row 4 R14 1 Column 1 C101 1 Column 2 C102 1 Column 3 C103 1 Column 4 C104 1 Column 5 C105 1 Colum...

Страница 170: ...31 C131 1 Column 32 C132 1 Column 33 C133 1 Column 34 C134 1 Column 35 C135 1 Column 36 C136 1 Column 37 C137 1 Column 38 C138 1 Column 39 C139 1 Column 40 C140 1 Column 41 C141 1 Column 42 C142 1 Col...

Страница 171: ...3 C163 1 Column 64 C164 1 Column 65 C165 1 Column 66 C166 1 Column 67 C167 1 Column 68 C168 1 Column 69 C169 1 Column 70 C170 1 Column 71 C171 1 Column 72 C172 1 Column 73 C173 1 Column 74 C174 1 Colu...

Страница 172: ...4 Bank Connection Pin signal name Color Description 1 Column 93 C193 1 Column 94 C194 1 Column 95 C195 1 Column 96 C196 1 Column 97 C197 1 Column 98 C198 1 Column 99 C199 1 Column 100 C1A0 1 Column 10...

Страница 173: ...Row 3 High R13H 1 Row 4 High R14H 1 Row 5 High R15H 1 Row 6 High R16H 1 Row 7 High R17H 1 Row 8 High R18H 1 Column 1 High C101H 1 Column 2 High C102H 1 Column 3 High C103H 1 Column 4 High C104H 1 Colu...

Страница 174: ...L 1 Row 8 Low R18L 1 Column 1 Low C101L 1 Column 2 Low C102L 1 Column 3 Low C103L 1 Column 4 Low C104L 1 Column 5 Low C105L 1 Column 6 Low C106L 1 Column 7 Low C107L 1 Column 8 Low C108L 1 Column 9 Lo...

Страница 175: ...onfiguration 1 of 3 Bank Connection Pin signal name Color Description 1 Row 1 R11 1 Row 2 R12 1 Row 3 R13 1 Row 4 R14 1 Row 5 R15 1 Row 6 R16 1 Row 7 R17 1 Row 8 R18 1 Column 1 C101 1 Column 2 C102 1...

Страница 176: ...olumn 26 C126 1 Column 27 C127 1 Column 28 C128 2 Row 1 R21 2 Row 2 R22 2 Row 3 R23 2 Row 4 R24 2 Row 5 R25 2 Row 6 R26 2 Row 7 R27 2 Row 8 R28 2 Column 1 C201 2 Column 2 C202 2 Column 3 C203 2 Column...

Страница 177: ...logs 3700AS 909 01 Rev A Preliminary A 43 Model 3732 connection log for the dual 8x28 configuration 3 of 3 Bank Connection Pin signal name Color Description 2 Column 21 C221 2 Column 22 C222 2 Column...

Страница 178: ...e single 16x28 configuration 1 of 2 Bank Connection Pin signal name Color Description 1 Row 1 R11 1 Row 2 R12 1 Row 3 R13 1 Row 4 R14 1 Row 5 R15 1 Row 6 R16 1 Row 7 R17 1 Row 8 R18 1 Row 9 R19 1 Row...

Страница 179: ...ry A 45 Model 3732 connection log for the single 16x28 configuration 2 of 2 Bank Connection Pin signal name Color Description 1 Column 17 C117 1 Column 18 C118 1 Column 19 C119 1 Column 20 C120 1 Colu...

Страница 180: ...ntrol Cards Reference Manual A 46 3700AS 909 01 Rev B December 2011 Model 3740 connection log The next table is an examples of a connection log you can use to record the wiring scheme for the Model 37...

Страница 181: ...Series 3700A Switch and Control Cards Reference Manual Appendix A Series 3700 cards connection logs 3700AS 909 01 Rev A Preliminary A 47 Figure 88 Sample Model 3740 connection log 2 of 2...

Страница 182: ...scheme for the Model 3750 card configuration Channel Color Pin Number CH1 DIO1 CH1 DIO2 CH1 DIO3 CH1 DIO4 CH1 DIO5 CH1 DIO6 CH1 DIO7 CH1 DIO8 CH2 DIO1 CH2 DIO2 CH2 DIO3 CH2 DIO4 CH2 DIO5 CH2 DIO6 CH2...

Страница 183: ...3700AS 909 01 Rev A Preliminary A 49 Channel Color Pin Number CH6 Input CH6 Input CH7 Gate CH7 Gate CH7 Input CH7 Input CH8 Gate CH8 Gate CH8 Input CH8 Input CH9 Gate CH9 Gate CH9 Input CH9 Input CH10...

Страница 184: ...3 4 default state 13 3 F fuse replacement AMPS 5 7 G gate input 13 6 H hardware configuration 13 9 interlocks 3 8 I ICOM 13 7 interlock hardware 3 8 pin numbers 3 9 status 3 8 J jumper configuration m...

Страница 185: ...ference Manual 2 3700AS 909 01 Rev B December 2011 R requirements power 13 16 S scan channels 13 4 schematics 4 3 5 4 6 3 7 4 8 3 9 3 12 3 13 3 T threshold voltage 13 5 totalizer power consumption inf...

Страница 186: ...of Keithley Instruments Inc All other trademarks and trade names are the property of their respective companies A G R E A T E R M E A S U R E O F C O N F I D E N C E Keithley Instruments Inc Corporate...

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