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1260-X121 User Manual

Specifications 1-2

Racal Instruments

2005

The 1260-X121 is a 20-channel single-wire switch consisting of 20
individual SPST relay switches and 10 1X2 switches by software
configuration. The 1260-X121 plug-in fits into a 1260-100X Adapt-
a-Switch Carrier.

Specifications

Bandwidth (-3dB)

>300KHz

Insertion Loss

300 KHz

< 2dB

Isolation

DC to 100 KHz

> 60dB

100 to 300 KHz

> 50dB

Crosstalk

DC to 100 KHz

< -60dB

100 to 300 KHz

< -50dB

Switching Voltage
AC

440V,

Max

230V,

Max

Switching Current
AC

10A,

Max.

10A,

Max

Switching Power
AC

2500VA,

Max

300W,

Max

Path resistance

< 100m

Capacitance
Channel-Chassis

20pF

Open-Channel <

20pF

Insulation resistance

> 10

Impulse Withstand Voltage >1,000V

Relay Settling Time

< 15ms

Maximum Power Dissipation
60W

Cooling (25% Relays energized operating at full rated current)

4.27 Liters/sec @ 0.39 mmH

Содержание 1260-X121

Страница 1: ...borne 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 Limited Tec...

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: ...Power Dissipation 1 3 About MTBF 1 4 Ordering Information 1 5 Chapter 2 2 1 INSTALLATION INSTRUCTIONS 2 1 Unpacking and Inspection 2 1 Reshipment Instructions 2 1 Installation 2 1 Module Configuratio...

Страница 6: ...ting In Message Based Mode 3 1 Channel Descriptors For The 1260 121 3 1 Reply To The MOD LIST Command 3 2 Operating in Register Based Mode 3 3 Chapter 4 4 1 PRODUCT SUPPORT 4 1 Product Support 4 1 Res...

Страница 7: ...Pins 2 6 Table 3 1 Register Offset Addresses of the 1260 X121 Module 3 4 Table 3 2 ID Register Functionality of the 1260 X121 Module 3 4 Table 3 3 Register0 Functionality of the 1260 X121 Module 3 5...

Страница 8: ...1260 X121 User Manual iv This page was left intentionally blank...

Страница 9: ...developed for the Racal Instruments 1260 100X Adapt a Switch Carrier The 1260 X121 includes the following features Standard Adapt a Switch plug in design providing for ease of replacement Data Driven...

Страница 10: ...ion Loss 300 KHz 2dB Isolation DC to 100 KHz 60dB 100 to 300 KHz 50dB Crosstalk DC to 100 KHz 60dB 100 to 300 KHz 50dB Switching Voltage AC 440V Max DC 230V Max Switching Current AC 10A Max DC 10A Max...

Страница 11: ...chassis into which it is installed the carrier can normally dissipate approximately 160 W The maximum power dissipation for an individual module is 60W Care must be taken then in the selection and lo...

Страница 12: ...ys closed 5 A Max 6 relays closed 10 A Max 2 relays closed The numbers in the above table represent worst case elevated temperature end of life conditions Additionally if fewer plug in modules are use...

Страница 13: ...part no 310344 The relay manufacturer s specifications for this relay are Life Expectancy Mechanical 10 000 000 operations Electrical 100 000 operations at full rated load For additional relay specif...

Страница 14: ...1260 X121 User Manual Specifications 1 6 Racal Instruments 2005 This page was intentionally left blank...

Страница 15: ...Have a qualified person check the instrument for safety before use Reshipment Instructions 1 Use the original packing material when returning the switching module to Racal Instruments for servicing Th...

Страница 16: ...isting of twenty SPST relay switches ten SPST configuration relays This architecture permits the 1260 X121 module to be organized via software as twenty SPST or ten 1X2 switches For a block diagram of...

Страница 17: ...ront panel connectors labeled J200 and J201 It has one pin for each input and one for each output See Figure 2 2 for pin numbering Table 2 1 shows the mapping of channel numbers to connector pins Info...

Страница 18: ...E CH02 J200 A J200 D CH03 J200 K J200 N CH04 J200 J J200 M CH05 J200 H J200 L CH06 J200 S J200 V CH07 J200 R J200 U CH08 J200 P J200 T CH09 J200 X J200 W CH10 J201 C J201 F CH11 J201 B J201 E CH12 J20...

Страница 19: ...200 N CH04 J200 J J200 M J200 H J200 L CH06 J200 S J200 V J200 R J200 U CH08 J200 P J200 T J200 X J200 W CH10 J201 C J201 F J201 B J201 E CH12 J201 A J201 D J201 K J201 N CH14 J201 J J201 M J201 H J20...

Страница 20: ...place providing positive retention To ensure that the pin is locked into place the assembler should pull on the wire after insertion Table 2 2 Mating Connectors and Pins Racal P N Manufacturer Mfr P N...

Страница 21: ...tories under room temperature conditions 21 C The contact is considered to be in free air The maximum current carrying for the 1260 X121 is 10 A Max operating current The current the contacts can swit...

Страница 22: ...into a 1260 100X Carrier engage the printed circuit board into the grooves of the desired carrier slot Slide the 1260 X121 into the carrier until its connector mates with the connector on the carrier...

Страница 23: ...sed to operate the 1260 X121 module These commands are described in the 1260 01T User s Manual Each 1260 01T relay command uses a channel descriptor to select the channel s of interest The syntax for...

Страница 24: ...1260 X121 that has module address 8 CLOSE 2 7 11 Close channels 7 through 11 inclusive on the 1260 X121 that has module address 2 Reply To The MOD LIST Command The chassis containing the 1260 X121 re...

Страница 25: ...12 inclusive 3 The 1260 X121 control register to be written to or read from Each register on the 1260 X121 has a unique offset from the base address The base A24 address for the 1260 X121 module may...

Страница 26: ...egisters interact with the 1260 X121 relays Table 3 2 through 3 5 provides a detailed explanation of each register and how it interacts with the 1260 X121 module Table 3 1 Register Offset Addresses of...

Страница 27: ...relay open 1 relay closed 1 Relay 09 0 relay open 1 relay closed 2 Relay 10 0 relay open 1 relay closed 3 Relay 11 0 relay open 1 relay closed 4 Relay 12 0 relay open 1 relay closed 5 Relay 13 0 rela...

Страница 28: ...e EPROM Descriptor Register Module Version Bit Functionality Description 0 1 2 3 4 5 6 All 7 Each time this register is read it advances a memory pointer to the next memory location in the on board EP...

Страница 29: ...As simple as this may seem a number of products reported as faulty and sent back for repair are typically the result of inappropriate register accesses Because of the 1260 X121 relay driver architect...

Страница 30: ...1260 X121 User Manual Module Operation 3 8 Racal Instruments 2005 This page was left intentionally blank...

Страница 31: ...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 32: ...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 Wimbo...

Страница 33: ...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 output...

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