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1260-X138 User Manual

Specifications 1-6

Racal Instruments

©

2005

Ordering
Information

Listed below are part numbers for both the 1260-X138 switch
module and available mating connector accessories. Each
1260-X138 uses a single mating connector.

ITEM DESCRIPTION

PART

#

1260-X138 X-series Switch
Module

Switch Module, 8 (1X8) 2 Wire MUX, 2 A
Consists of:

P/N 980914-X138 Manual

408010

160-pin Mating Connector

160 Pin Conn. Kit with pins

407664

Additional Manual

1260-X138 Manual

980914-X138

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Содержание 1260-100X X Series

Страница 1: ...oad Wimborne Dorset BH21 7PF United Kingdom Tel 44 0 1202 872800 Fax 44 0 1202 870810 Via Milazzo 25 20092 Cinisello B Milan Italy Tel 39 0 2 6123 901 Fax 39 0 2 6129 3606 Racal Instruments Group Limi...

Страница 2: ...ent or misuse of any product or part The warranty also does not apply to fuses software non rechargeable batteries damage from battery leakage or problems arising from normal wear such as mechanical r...

Страница 3: ...ce purposes or for purposes of engineering evaluation and incorporation into technical specifications and other documents which specify procurement of products from Racal Instruments DISCLAIMER Buyer...

Страница 4: ...ion cord or a three prong two prong adapter This will defeat the protective feature of the third conductor in the power cord Maintenance and calibration procedures sometimes call for operation of the...

Страница 5: ...2 1 Unpacking and Inspection 2 1 Reshipment Instructions 2 1 Installation 2 2 Module Configuration 2 2 Configuration Relays 2 8 Discharge Relays 2 8 Analog Bus Relays 2 8 Front Panel Connector 2 10 C...

Страница 6: ...T Command 3 5 Operating The 1260 X138 in Register Based Mode 3 5 Configuring Larger Multiplexers 3 8 Creating Very Large Multiplexers With the Analog Bus 3 9 1260 X138 Example Code 3 11 Chapter 4 4 1...

Страница 7: ...Numbering 2 9 Figure 3 1 Front View Module Addresses for 1 through 6 3 1 Figure 3 2 Front View Module Addresses for 7 through 12 3 2 Figure 3 3 Message Based Mode of Operation 3 3 Figure 3 4 Register...

Страница 8: ...1260 X138 User Manual iv This page was left intentionally blank...

Страница 9: ...or relays than the standard 1260 100 carrier modules In addition the 1260 X138 includes the following features X series Adapt a Switch plug in design providing for ease of replacement Functionally com...

Страница 10: ...1260 X138 User Manual Specifications 1 2 Racal Instruments 2005 Figure 1 1 The 1260 X138...

Страница 11: ...MUX Channels 1x8 0 6dB 1x16 1 3dB 1x24 2dB 1x32 2 2dB 1x48 4 5dB 1x64 5 2dB Analog Channels 0 2dB 1MHz 2 dB 10MHz Channel Crosstalk MUX Channels 64dB 1MHz 50dB 10MHz Analog Channels 50dB 1MHz 45dB 10...

Страница 12: ...itance High to Low MUX Channels 1x8 80pF 1x16 100pF 1x24 160pF 1x32 180pF 1x48 270pF 1x64 290pF High to Low Analog Channels 120pF High or Low MUX Channel to Chassis Ground 180pF High or Low Analog Cha...

Страница 13: ...g 10 000 feet Power Requirements 5 VDC 900mA 30mA per energized relay 2A Max Weight 0 70 lb 0 35 kg Dimensions 4 4 Hx0 75 Wx12 6 D MTBF 50 rated load 0 1 cycle hour With relays159 021 hours at 25 C Wi...

Страница 14: ...witch module and available mating connector accessories Each 1260 X138 uses a single mating connector ITEM DESCRIPTION PART 1260 X138 X series Switch Module Switch Module 8 1X8 2 Wire MUX 2 A Consists...

Страница 15: ...the carrier if any damage is apparent 4 Have a qualified person check the instrument for safety before use CAUTION The instruments contains ESD sensitive devices Open the package at an ESD safe work...

Страница 16: ...referred to as channels Figure 2 1 shows an example of one of these multiplexers multiplexer 7 In this example the inputs are channels 70 through 77 The user may close one or more relays to connect th...

Страница 17: ...Single Multiplexer Example Channels 70 through 77 High Low High Low High Low High Low High Low High Low High Low High Low High Low Channel 70 Input Channel 71 Input Channel 72 Input Channel 73 Input C...

Страница 18: ...roups Table 2 1 Relay Groups Group Number Group Relay Designators 0 K7 K14 1 K14 K22 2 K23 K30 3 K85 K92 4 K93 K100 5 K101 K108 6 K116 K123 7 K124 K131 Figure 2 1 shows just one of the eight multiplex...

Страница 19: ...lso configured to form a 2x24 2 wire mode multiplexer Table 2 2 lists the relays responsible for forming the 2x24 2 wire mode multiplexer Table 2 3 2x8 Formation Relays Group Number Mode 2x24 Relay De...

Страница 20: ...1260 X138 User Manual Installation Instructions 2 6 Racal Instruments 2005 Figure 2 2 1260 X138 Block Diagram 1x8 High Side Groups 0 1 2 3 4 and 5...

Страница 21: ...60 X138 also contains two independent 1x8 2 wire mode multiplexers Groups 6 and 7 Figure 2 3 shows two independent 1x8 2 wire mode multiplexers Groups 6 and 7 These two groups can be connected to the...

Страница 22: ...e 2 2 and Figure 2 3 Discharge Relays There are eight discharge relays in the system They are K4 K5 K6 K82 K83 K84 K114 and K115 When closed individually they are used to discharge any residual charge...

Страница 23: ...User Manual Racal Instruments 2005 Installation Instructions 2 9 Figure 2 4 Front Panel Connector Pin Numbering a b c d e 31 30 29 28 27 26 25 24 23 22 21 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3...

Страница 24: ...is a 160 pin modified DIN style connector with 0 025 square posts as pins It has one pin for each input and one for each output See Figure 2 4 for the physical pin arrangement Table 2 3 shows the mapp...

Страница 25: ...hannel High Low 0 Mux 0 Common E3 E2 0 0 A1 B1 0 1 B2 A2 0 2 A3 B3 0 3 B4 A4 0 4 A5 B5 0 5 B6 A6 0 6 A7 B7 0 7 B8 A8 1 Mux 1 Common E11 E10 1 10 A9 B9 1 11 B10 A10 1 12 A11 B11 1 13 B12 A12 1 14 A13 B...

Страница 26: ...3 D13 4 45 D14 C14 4 46 C15 D15 4 47 D16 C16 5 Mux 5 Common E23 E22 5 50 C17 D17 5 51 D18 C18 5 52 C19 D19 5 53 D20 C20 5 54 C21 D21 5 55 D22 C22 5 56 C23 D23 5 57 D24 C24 6 Mux 6 Common E27 E26 6 60...

Страница 27: ...E8 AFGND E12 AFGND E16 AFGND E20 AFGND E24 CHASSIS GND E31 CHASSIS GND E32 Notes AFGND provides three ground planes used to shield all MUX signals on PCB AFGND pins shall be used as CHASSIS GND if it...

Страница 28: ...07664 160 Pin Connector Kit with Pins This kit provides the mating connector for the 1260 X138 including housing strain relief and 170 crimp pins After crimping the pins snap into the connector housin...

Страница 29: ...module address assigned to the 1260 X138 is determined by the carrier slot into which the 1260 X138 is inserted and by the position of the logical address DIP switch on the carrier side panel The logi...

Страница 30: ...ing module For instructions on setting module addresses for a conventional 1260 Series module see the label on the side panel of the module Operating Modes The 1260 X138 may be operated either in mess...

Страница 31: ...the register based mode it is advisable to use either the message based or the register based mode and continue to use the same mode throughout the application program In general the message based mod...

Страница 32: ...corresponding to each relay channel for operating in the message based mode Each 1260 01T relay command uses a channel descriptor to select the channel s of interest The syntax for a channel descripto...

Страница 33: ...s set to 8 the reply to this query would be 8 1260 X138 8 1X8 MUX Operating The 1260 X138 in Register Based Mode In register based mode the 1260 X138 is operated by directly writing and reading contro...

Страница 34: ...0400016 40016 x 710 205C0016 The control registers for Adapt a Switch plug ins and conventional 1260 Series modules are always on odd numbered A24 addresses The three control registers for the 1260 X1...

Страница 35: ...K56 K55 0x019 1XL 47XL 17XL TO 40XL 10XL K70 K63 K70 K69 K68 K67 K66 K65 K64 K63 0x01B 2XL 57XL 27XL TO 50XL 20XL K78 K71 K78 K77 K76 K75 K74 K73 K72 K71 MUX LINK 0x01D GROUP MUX6_LINK TO MUX0_LINK K1...

Страница 36: ...rol the module The VISA function viOut8 is used to write a single 8 bit byte to a control register while viIn8 is used to read a single 8 bit byte from the control register The following code example...

Страница 37: ...alog bus consists of four two wire paths numbered as ABUS 0 through ABUS 3 These paths are accessible from a 1260 100X X series Adapt a Switch Carrier slot To link multiplexer group of one 1260 X138 t...

Страница 38: ...0 X138 plug ins to ABUS 3 thereby connecting them together This completes the formation of the 1x128 multiplexer MUX7_COM on E30 E29 of either plug in become the common high low inputs of the 1x128 ma...

Страница 39: ...creg_val ViBusAddress creg0_addr ViBusAddress creg1_addr ViBusAddress creg2_addr ViSession hdl1260 VISA handle to the 1260 01T ViSession hdlRM VISA handle to the resource manager ViStatus error VISA...

Страница 40: ...l except 63 unchanged creg_val 0x20 OR in the bit to close channel 63 creg_val 0x20 write the updated control register value error viOut8 hdl1260 VI_A24_SPACE creg1_addr creg_val if error 0 error hand...

Страница 41: ...1260 X138 User Manual Racal Instruments 2005 Module Operation 3 13 close the VISA session error viClose hdl1260 if error 0 error handling code goes here...

Страница 42: ...1260 X138 User Manual Module Operation 3 14 Racal Instruments 2005 This page was left intentionally blank...

Страница 43: ...Parts Department When sending your instrument in for repair complete the form in the back of this manual For worldwide support and the office closes to your facility refer to the Support Offices sect...

Страница 44: ...TX 78249 Tel 210 699 6799 Fax 210 699 8857 Europe European Headquarters and Service Center 18 Avenue Dutartre 78150 LeChesnay France Tel 33 0 1 39 23 22 22 Fax 33 0 1 39 23 22 25 29 31 Cobham Road Wi...

Страница 45: ...e Zip Postal Code Country Technical Contact Phone Number Purchasing Contact Phone Number 1 Describe in detail the problem and symptoms you are having Please include all set up details such as input ou...

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