HP-12799A-Manual 电路图.pdf

16-BIT Interface Kit 12799A HEWLETT $ PACKARD IC /- IRELAY REGISTER 1 1 I plug-in Capability - FOR USE WITH THE HP 2570A COUPLERICONTROLLER c I r Independent Controls - 16 individual closures Power-On tnitialization -Predetermines initial state of all relays individually Floating Contact Closures - Permit switching of diverse voltages. Avoids ground loops. Programming Flexibility -. Relays may be set from 2570A control board, teleprinter keyboard, or from punched paper tape. I I WWW.HPARCHIVE.COM -* RadioFans.CN 收音机爱 好者资料库 APPLICATION The 16-BIT RELAY REGISTER, Interface Kit 12799A, provides 16 programmable contact closures for control of external devices such as power supplies, solenoids, electrically activated control valves, or instruments requiring control voltage outside of the normal logic ranges. The contact closures may be subdivided in any combination for controlling one or several devices. The voltages switched through the relay contacts can differ from each other and from the 2570A ground by as much as 100 volts peak. Contacts can be connected in series, parallel, or series-parallel, with or without diode isolation. DIVERSE OUTPUT CAPABILITY FOR YOUR SYSTEM Because of the general purpose nature of the Relay Register Card, the commands provide the flexibility to permit con- trolling external devices (such as controllers) that can return an output to the card, and controlling external devices that need not or cannot return an output to the card (such as a power supply). Commands Commands are programmed at the main control card of the 2570A, or given by enabling interfaced devices, such as tele- printer, punched tape readkr, etc. I Reset contacts, expect response signal N Reset contacts, no response signal expected Choice Of Lock-Out Delays A plug-in jumper establishes one of two conditions on the Relay Register Card by determining the proper timing for suspending the main control program, if necessary, to pre- vent any further commands to the relays until the require- ments of the system are met. The combination of Commands and the complementary Lockout Delays results in four different response modes. /1 OPE RAT1 0 N Power-On Preset The relay settings at power-on condition are determined in- dividually open (position “0”) or closed (position “1”) by 16 jumpers. This fixed preset condition is also established when the 2570A control system is commanded to normalize, as in reset or start. Relays retain their setting until other- wise commanded. When an I or N command is issued to the Relay Register Card, the relays will set according to the new instructions. All the relays are commanded whether or not a relay setting is to be changed. Settling time for each relay is one milli- second. Three milliseconds after the last relay has been set, an output command is issued by the card. PROGRAMMING F LEX1 Bl LlTY Jumper Selectable Programming Control Relays can be set in two groups of eight relays (Two-Word Program), or in four groups of four relays (Four-Word Program) Two-Word Program Two cycles of 5-millisecond duration each, are required to set all relays. In this method, ASCII codes for , , I , Null, cannot be used. If the few restricted codes are not required in the program, the advantage is rapidity of setting relays and a minimum number of program instructions. Four-Word Program Four cycles of 5-millisecond duration each, are required to set all relays. In this method there are no restrictions on ASCII code utilization and the register can be programmed from any interfaced device capable of generating ASCII signals, such as a teleprinter or punched tape reader. WWW.HPARCHIVE.COM - I_ RadioFans.CN 收音机爱 好者资料库 Simple Programming Programming is accomplished by issuing either an “I” or “N” command followed by the bit pattern desired to be set in the relays. The generalized command from for the relay register is: acmnpq a - address of the Relay Register Card (channel mnpq - bit pattern to be set up at the Relay Register Card, representing four groups of four relays each. Each of four cycles sets the following relays in descending order: 16 through 13, 12 through 9, 8 through 5 and 4 through 1, re- spectively to mnp and q. location 8 through 7 in the 2570A) c - command (“I” or “N”) to the Relay Register Card. Four-word programming for devices connected to Relay Register Card. Example: In channel 6 (I/O slot position in 2570A), no response required (data input command), set the relays in accordance with CONDITIONS shown in Iable 2. (Note “0” Open Relay; “1” Closed relay). C 0 E F G 0010 3 001 1 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111 oaoaaj COUPLERICONTROL OUTPUT VOLTAGE TO DEVICE UNDER TEST TABLE 1 RELAYS +RELAY GROUP -RELAYS (in descending order) +CONDITIONS +-BIT CODE 8 -ASCII EQUIVALENT 9 F 3 (From Table 1) TABLE 2 Generalized Command Form. a c m n p q Four-word program instruction to relay card: 6N9F38 I l*Z WWW.HPARCHIVE.COM RadioFans.CN 收音机爱 好者资料库 c SPECIF I CATIONS RELAY CONTACTS States: All contacts are normally open when power is off; contacts close individually in response t o 1 bit states from the backplane bus of the 2570A Coupler/Controller. Maximum Power: 1OW peak or continuous, per contact.* Maximum Voltage: IOOV peak or continuous across open contacts, between output connector pins, and with respect t o controller ground on the register card.* Maximum Current: 500 m A per contact, peak or continuous.* Life: 10 million operations under rated load. COMMAND OUTPUT, ISOLATED (Floating relay contact, with ratings as specified in RELAY CONTACTS). 1 Level: Contact closed. 0 Level: Contact open. Delay: 3 ms nominal. RESPONSE (FLAG) INPUT, ISOLATED Normal: No input t o relay coil. Set Flag: 12V. 12 m A t o relay coil. Response Delay: 15 milliseconds, nominal. Resistance: 0.ln at 100 mA (higher at lower current). Settling Time: 1 millisecond, maximum, for pull-in or dropout. *Protection Required: Arc suppression must be supplied for reactive RESPONSE (FLAG) INPUT, GROUND-REFERENCED Normal: Open Circuit, 16V through 5.9kn resistor., Set Flag: ov, Response Delay: 16 milliseconds, nominal, after response signal is received. current sink from NPN transistor. loads exceeding any one of these specifications. DATA OUTPUT WEIGHT (16 floating relay contacts, with ratings as specified above. See Net: 3 Ib. (1.4 kg) Shipping: 5 Ib. (2,3 kg) EQUIPMENT SUPPLIED The HP 12799A Interface Kit consists of: 16-Bit Relay Register Interface Card, HP Part No. 12799-60001. Connector Kit, HP Part No. 021 16-6178. (48-pin connector mates with interface card, for constructing an interconnecting cable t o a controlled device.) Ordering information for the HP 12799A 16-Bit Relay Register Interface Kit, as well as other 2570A interfaces, is available from Hewlett-Packard Sales Offices. RE LAY CONTACTS) 1 Level: Contact closed. 0 Level: Contact open. Power-on Preset: lndividuallv selectable. r COMMAND OUTPUT, GROUND-REFERENCED 1 Level: OV, 12 m A current sink. 0 Level: +16V through 3.9kn. For more information, call your local HP Sales Office or East (201) 265-5000 Midwest (312) 677-0400 South (404) 436-6181 West (213) 877-1282. Or, write: Hewlett-Packard, 1501 Page Mill Road, Palo Alto, California94303. In Europe, 121 7 Meyrin-Geneva, Switzerland 0 12799A TECHNICAL DATA 3/70 Printed in U.S.A. (06) 5952-1 555 WWW.HPARCHIVE.COM 1_- -