User Manual VX4357 Relay Switching Module 070-9124-02
Contents
1. Mounting Position Mounting Location Front Panei Signal Connectors Recommended Cables For 10 C rise 1 2 liters sec air at 0 01 mm of H O Replacement fuse Littelfuse P N 273005 SA 125V fast blow O C to 50 C operating 40 C to 85 C storage Less than 95 R H non condensing O C to 30 C Less than 75 R H non condensing 31 C to 40 C Less than 45 R H non condensing 41 C to 50 C Complies with VXIbus Specification Compties with VXlbus Specification VXI C size 262 mm x 357 mm x 30 5 mm 10 3 in x 13 9 in x 1 2 in When ordered with a Tektronix CDS mainframe this module will be installed and secured in one of the instrument module siots siots 1 12 When ordered alone the card s shipping dimensions are 406 mm x 305 mm x 102 mm 16 in x 12 in x 4 in 1 60 kg 3 56 Ibs When ordered with a Tektronix CDS mainframe this module wiil be installed and secured in one of the instrument module siots slots 1 12 When ordered alone the card s shipping weight is 2 27 kg 5 06 Ibs Any orientation Installs in an instrument module siot slots 1 12 of a C or D size VXlbus mainframe Refer to D size mainframe manual for information on required adapters 2 DD 50P connectors Refer to Appendix B for connector pinouts Two VX1657S Data cabies SSS SSS SSS eS a SS VX4357 Section 1 EN m mn nn Equipment Supplied 1 VX4357 Module Optional Equipment 2 VX1652. 75 cables or VX1780S connectors Software Revision V1 3 With compliments Helmut Singer Elektronik www helmut singer de info helmut singer de fon 49 241 155 315 fax 49 241 152 066 Feldchen 16 24 D 52070 Aachen Germany ss ____ el 1 10 VX4357
3. With compliments Helmut Singer Elektronik www helmut singer de info helmut singer de fon 49 241 155 315 fax 49 241 152 066 Feldchen 16 24 D 52070 Aachen Germany Tektronix S VX4357 Relay Switching Module 070 9124 02 a N VX435 Relay Switching Module Section 1 General Information and Specifications Introduction The VX4357 Relay Switching Module is a printed circuit board assembly for use in a mainframe conforming to the VXibus Specification such as the VX1400 C size mainframe used in the Tektronix CDS IAC System The module provides 32 independently controlled single pole doubie throw relays Individual relays or all relays can be opened or closed under program control The amount of delay between successive operations and the relay closure dweil time can be controlled by software Delay times from O to 65535 milliseconds can be selected The module is programmed by transmitting ASCII characters from the system controller through the VXI system to the moduie The module s commands also provide access to system information The position of any individual relay open or closed may be read back by the system controller and is also displayed by LEDs on the module s front panel Other commands return the programmed time delay and identification information about the module Note that certain terms used in this manual have very specific meanings in the context of a VXIbus System A list of these terms is presente
4. a may be in either ASCII or binary format Data transfer bus DTB slave A16 D16 only 300K bytes sec maximum Section 1 UI nl nl mn nn nn VXIbus Commands Supported All VXibus commands are accepted e g DTACK will be returned VXI V1 3 commands have effect on this module All Primary MBD VXlbus Instrument required commands are supported Abort Normal Operation Begin Normal Operation Byte Available Byte Request Clear End Normal Operation Read Protocol Read Protocol Error The following additional commands are supported Read STB Read Interrupters Asynchronous Mode Control Control Event Control Response Set Lock Clear Lock Trigger All other commands will generate Word Serial Protocol Unsupported Command errors VXlbus Registers ID Device Type Status Control Protocol Response Data Low See Appendix A for definition of register contents Power Requirements All required dc power is provided by the power supply in the VXibus mainframe Voltage 5 volt supply 4 75 V dc to 5 25 V dc Current Peak Module lpm 5 volt supply 2 2 amps PTP Cooling Provided by fans in the mainframe The module will have a temperature rise of lt 10 C with 0 9 liters sec per slot of air anda pressure drop of 0 16 mm of H 0 I 1 8 VX4357 Section 1 Fuses Temperature Humidity Radiated Emissions Conducted Emissions Module Enveiope Dimensions Dimensions Shipping Weight Weight Shipping
5. d in the VXlbus Glossary Appendix C Front Panei connec tor Figure 1 Typical SPDT Relay VX4357 1 4 eT A E E Specifications Configuration Relay Contact Ratings Maximum Power Dissipation Per Connector Maximum Operating Speeds Programmable Relay Delay Section 1 32 singie pole double throw SPDT relays Aromat Corporation model S2EB 5V per CDS specification Maximum switching power 1000 VA ac 90 W dc Maximum switching voltage 250 V ac 48 V de CAT Il 48 V de Maximum switching current 5 A lt 40 operations per minute 1 Watt To determine the current capacity for specific applications assume 20 milliohms resistance per pin 100 operations per second O to 65 535 msec Recommended Maximum Operating Conditions and Operational Life NOTE Duty Cycle Dwell Signal Path Specifications Rate Volts Amps Op Life 40 OPM 30V de 3 0A 2x 10 40 OPM 250Vac 4 0A 10 40 OPM 130Vac 5 0 A 1 x 10 40 OPM 20V de 5 0A 2 x 10 20 OPS 30 V de 2 0 A 10 200PS 250Vac 2 0 A 10 100 OPS 1Vdc 1 0 mA 10 OPS operations per second OPM operations per minute Op Life operational life An operation is defined as a close or an open A close open cycie is two operations Values are for a 5 failure probability Continuous Recommended dwell time at maximum switching rate is 4 msec minimum Single line thermal offset Less than 10 microvolts e
6. e 1 6 VX4357 Section 1 N nn nn nn nn nn aaa aaa a aa A a Isolation Wiper to Open Contact Crosstalk Between Channels Power Up Power Down VXibus Compatibility Device Type VXI Protocol VXI Card Size Module Specific Commands VMEbus Interface VXIbus Data Rate VX4357 Signal path resistance Initial Less than 300 milliohms After full load life Less than 400 milliohms insulation resistance Greater than 10 Gigohms 1 kHz Less than 85 dB 10 kHz Less than 55 dB 100 kHz Less than 36 dB 1 MHz Less than 18 dB Measurement was made on both the normal open and normal closed contacts with a 600 ohm termination The signal was applied to the wiper of the relay 1 kHz Less than 90 dB 10 kHz Less than 80 dB 100 kHz Less than 60 dB 1 MHz Less than 40 dB Measurement was made on a closed relay with a 600 ohm termination and signal applied into an adjacent channel open or closed relay with and without 600 ohm termination When power is turned on ali relays are open When power is turned off all relays are open Fully compatible with the VXlIbus Specification for V1 4 message based instruments with the Halt switch in the ON position VXI message based instrument V1 4 Word serial C size one slot wide All module specific commands and data are sent via the VXlbus Byte Available command All module specific commands are made up of ASCII characters Module specific dat
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