9812

9812 TIME-ELECTRONICS | Alldatasheet

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| * DIGITAL INTERFACE q | i ‘ ( ct ae Ye Fire Kivcironies abe t W@ IEEE/GPIB/IEC/HPIB M@ 6 program modes Remote or local operation Ml Self test feature M24 switches+LED status Ml 2 pole changeover The 9812 is a microprocessor controlled switch with full local controls and LED status indicators. The local control mode is particularly useful at system design stage and for checking and troubleshooting. Advanced programming capability with 6 program command modes simplifies the bus control program and enhances the switch performance. Additionally the 9812's self test mode enables malfunctions to be detected without external bus control. All 24 switches are operated sequentially by the 9812's internal self test program. Construction is standard 19" Euroframe with plug-in modules which allow easy access and improved servicing and maintenance. It can be rack mounted or housed in a free standing case.

Each switch is addressed by its physical position Interface Type: |EEE488/GPIB/IEC/HPIB number as shown on the front panel i.e. 1-24, Either a Device Address: Rear panel switch 0-31 single switch or several can be Sea by one 2 command string. The commands to each switch are Bus Connection: Standard 24 pin |IEEE488-1975 separated by a semicolon (;} and the delay option connector specified last by ‘/X/Y' where X is the ‘turn on’ delay Bus Isolation: All switch contacts are isolated in 1/10th seconds and Y is the ‘turn off’ delay in from the bus up to 350V ac/dc. 1/10th seconds. The complete command string is terminated by either carriage return (CR) 7 line feed {LF). The G.E.T., Go local Transmit local, Go remote SWITCH SPECIFICATION commands are implemented by transmitting G1, L, T, Type: a way double pole changeover, R, respectively. reak before make. Contact Res: 40 milliohms per switch, PROGRAM MODES ces Decimal: Switches to ‘turn on’ specified by Contacts: Gold. decimal command. All other Operation Time: 20 millisec. switches ‘turn off’. Operating Life: 30 million operations. Memory +: Switches to ‘tum on’ specified by ; és postive { +) decimal command. All Connections: Multiblock connectors on rear of ‘other switches remain unchanged unit bring out all switch contacts _ (i.e. in previous state). giving a total of 144 connections in 3 blocks. Memory —: Switches to ‘turn off” specified by i - negative (—) decimal command. All Rating: 1 Amp @ 30Vdc (100V ach other switches remain unchanged. Thermal EMF: Less than 1 microvolt per switch. " Internal EMF's have been kept to a Delay option: Delays the decimal memory + or — minimum using special techniques. commands by specified amount {0.1 External effects can be reduced by sec — 25 sec}. ‘On’ and ‘Off’ delays a thermal cover over the output are specified separately, terminals. Details available on . ' 41, request. Hexadecimal: — Switches to ‘turn on’ specified by a hexadecimal string. All others ‘turn GENERAL SPECIFICATION on Power: 220-250V ac 50/60Hz. GET: Sets the 9812 to operate commands 110-120V ac to order 30 watt only after the IEEE Group Execute consumption. Trigger command is received. Dimensions: Rack mount version— Go local: Sets the 9812 to local mode 480 x 240 x 130mm x 5.5 kg (manual operation). Bench version— i Transmit local: The 9812 transmits all the switch xsi Eom 10 ke settings back to the IEEE bus REAR PANEL controller. eit Go remote: Sets the 9812 to remote mode Pil. Fir cf — {programmable operation). coe es Boe es eee oak fal SE are {1 “eta An example of a command string could be

3 Ube Meg ea 2 z -3; +22; + 23/10/20 «CR» which will specity—switch

ey “ = ne © — No. 3 ‘off’—switch No. 22 ‘on’,—switch No. 23 ‘on’, all other switches unchanged, (/10)— switches turning ‘on’ delayed by 1 sec., {/20}—switches turning ‘off’ ORDERING INFORMATION delayed by 2 s0¢s, 8 Programmable Switch, a 9812 Free Standing Case. cose 9047 Note: Standard mains input is 200/250v 50/60Hz. If 100/ 120v 50/60Hz is required please specify. lectronics Ltd ecironics . Botany Industrial Estate, Tonbridge, Kent, England. Telephone: Tonbridge (0732) 355993 Telex: 95481 TIME G.