MANUAL Output

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STD 7000 7502

SPST Relay Output Card

USER'S MANUAL

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SPST Relay Output Card USER'S MANUAL

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7502 USER1S MANUAL

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TAB LEO·F CON TEN T S

SECTION Data Sheet

SECTION 2 Functional Description SECTION 3

^Mappin~

SECTION 4 User SUEP 1 i ed Suppression Networks SECTION 5 Environmental Specifications

SECTION

6

Electrical Specifications SECTION 7 User's Interface

SECTION 8 Mechanical Deta i Is

SECTION 9 Schematic Diagram 104954

SECTION 10 Assembly Drawing 104955 0

SECTION

11

CS18.

1/0

Edge Connector Data Sheet SECTION 12 CB18! I/O EdSle Connector Data Sheet SECT tON 13 Test Program

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~@@ PRELIMINARY 7502

@iJ[Q) [IDllD@~~~SPST RELAY OUTPUT CARD

The 7502 consists of eight independent SPST dry reed relays controlled by a fully decoded, latched 8-bit output port. Each 7502 allows the processor direct control of eight additional reed relay switches.

FEATURES

• Eight Independent SPST Dry Reed Relays (Normally open O.5A/200V)

• On-card LED Display of Relay Driver Status

• User-selected Port Address

• Keyed Front-edge connector for Relay Outputs

• Socketed I Cs

• Single +5VOperation

• Pads for User Provided Transient Suppression

• Provisions for Resistive Current Limiting

r---

DATAaus

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OUTPUT PORT LATCH

DATA

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RESET CLK

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ADDRESS AS-A7

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PORT

5, _SELECT

P-

I DECODER

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CARD SELECT 31' DECODER

P-

,

RELAY CARD

SHADING INDICATES SOCKETS ONLY

'--

71' CIRCUITS'" 14,

I I

7502

"INDICATES ACTIVE LOW LOGIC

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2. FUNCTIONAL DESCRIPTION

A relay contact (normally-open) is assigned to each of the eight bits of the assigned output·port. Upon system reset the

relay~

are

de-eo~rgLzed

and contacts are open. With an output command to the designated relay card, each relay state will latch the contents 6f the CPU accumulator.

The LED ihdicators display the latched state of each

relay~

(ACCUMULATOR BIT) RELAY COIL RELAY CONTACT LED INDICATOR

Set Activated Closed On

Clear De-Activated Open Off

The output port is implemented with an octal flip-flop (74LS273). Relay drive is provided with an octal buffer (74LS240). Damping

~iodes

and LED statusindicato-rs .are in parallel with each relay coil.

PARAMETER MIN MAX UNIT COMMENT

Combined DC and peak transient

Contact Current 0.5 Amp currents during contact opening or

closure.

Contact Voltage 200 Volt DC and peak voltage across open relay

contacts.

DC and peak voltage between relay Breakdown Voltage 300 Volt contact sets, and between the relay interface edge connector and the STD BUS edge connector.

0.2 Ohm Initial contact resistance.

Contact Resistance

1.0 Ohm At end of life Contact Lifetime 107 Operations At 0.5 Amp load

Switching Time 0.5 msec Open or close

Bounce Time 0.5 msec After open or close

Reed Relay Contact Characteristics

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MAPPtNG

The 7502 card is shipped with the card mapped at Hex port address 40, On- board jumpers (SX, SY'and SZ) are provided for user selection of any output port 00 to FF. See figure below for logic diagram, physical locations of

jumper~

and jumper selection table.

Consider standard mapping at port 40. On the selection ta-ble find the

intersection of the most significant Hex. digit

(4-)

and the least si.gnificant Hex dtgit (-0) read X2, YO, and ZOo The schematic diagram is mapped at port 40 and the physical layout indicates the jumper positions for port 40.

A7

AS

A3

WRit

AI .&:.

sz /

MOST LEAST SIGNIFICANT HEX AD'DRESS JUMPER

SIGNIFICANT 0 1¹ 1² 1 3 1 4 1 5 1 6 1 7 8 T 9 I 'A I B 1 C I D r E I F' SelECTION

HEX ADDRESS X. Y & z

ZO 1 Z1 I Z2 I Z3 I Z4 I lsi ^{Z6 1 Zi} ZO I ^Z1I Z2 T ^Z3I Z4 I ^zsI Z6 I Z7 _ z

0 XO yO- XO Y1

"

1 XO Y2 XO Y3 .

2 X1 VO X1 V1

3 X1 Y2 X1 Y3

4 _X2 _YO _X2 _V1

5 X2 Y2 X2 Y3

6 X3 YO X3 Y1

7 X

X3 Y2 X3 Y3

8 X4 YO X4 Y1 AND

9 X4 Y2 X4 Y3 Y

A xs YO xs Y1

B xs Y2 xs Y3

C X6 yO X6 Y1

D X6 Y2 X6 Y3

E X7 YO X7 V1

F X7 Y2 X7 Y3

/

Address Mapping And Jumper Selection Table

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4. USER SUPPLIED SUPPRESSION NETWORK

Current lfmiting Resistor (cut trace when used)

3

To Interface Connector

A

4 _B

". .-~---..-

PAD DETAILS'FOR USER SUPPLIED SUPPRESSION NETWORKS

Reed Relay Contact Considerations

Satisfactory reed reliability depends on circuit con- ditions when the relay is opened or closed. The 7S02's reed relays can open with up to SOOmA flowing across closed contacts, or close with up to 200V across opened contacts, for up to 10,000,000 repeti- tions. Reed lifetime will be dramatically reduced due to high contact resistance or contact welding if these "hot'" values are exceeded.

Lifetime can be extended to billions of operations if reeds are switched "dry" (no more than a few micro- amps or millivolts present when the relay opens or closes).- Moreover, the relay contacts can typically carry 2 to 3 times the rated contact current as long as such loads are notswitched by the relay.

Surge-suppression components for reed relay pro- tection are often required and typically may be placed at the load, in the cable, or on pads provided on .the 7502 for each relay. These are application dependent and can take the following forms:

1. DC inductive loads: A reverse biased diode across the load.

2. AC inductive loads: A series RC network ora series resistor-thyrector diode across relay' contacts. Suggested RC values:

R = - - - Ohm; E 12

C =

10

microFarad

where E is the voltage (in volts) across the open reed contacts immediately prior to closing (not to exceed 200V) , and I is the current (in Am- peres) flowing through the closed contacts immediately prior to opening (not to exceed O.SA).

3. Surge loads, including capacitive loads and incandescent lamps, can be limited to a O.SA peak with a series resistor.

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5. 7502 RELAY CARD ENVIRONMENTAL SPECIFICATIONS

RECOMHENDED OPERATING LIMITS ABSOLUTE NON-OPERATlNG LtMITS

o PARAMETER MIN TYP MAX MIN MAX UNI.TS

Free Air Temperature

⁰

25 55 -40 75 °c

Humidity

0

95CD 0 95(D ^%RH

Shock Not Specified Not Specified

Vibration

^II ^II

EMI "

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ESD "

^It

CD NON-CONDENS I NG HUM I D I TV

6. 7502 RELAY CARD ELECTRICAL SPECIFICATIONS

RECOMM::NDED OPERATING LIMITS Af.SOLUTE NON OPERATING LIMITS

PARAMETER MIN TYP MAX MIN MAX UNITS

:

VCC 4.75 5.00 5.25 0.0 7,00

Vol t

ICC -- ^3.00 ^4.00 -- I ^-- ^mA ^I

STD/7502 EDGE CONNECTOR PIN LIST PIN NUMBER PIN NUMBER

OUTPUT (LSTTL DRIVE) OUTPUT (LSTTL DRIVE)

INPUT (LSTTL LOADS) INPUT (LSTTL LOADS)

MNEMONIC MNEMONIC INTERFACE CONNECTOR

+5 VOLTS VCC 2 1 VCC +5 VOLTS PIN LIST 7502

GROUND GNO 4 3 GNO GROUND PIN NUMBER

'-5V ,. 6 5 -5V SIGNAL

07 1 8' 7 1 03 l/A RELAY K7A

06 1 10 9 1 02 2/B K7B

05 1 12 11 1 01

04 1 14 13 1 DO ^3/C RELAY K6A

A15 16 15 1 A7 4/0 K6B

A14 18 17 1 A6 5/E RELAY K5A

A13 20 19 1 A5 6/F K5B

A12 22 21 1 A4 7/H RELAY K4A

All 24 23 1 A3 8/J K4B

Al0 26 25 1 A2 9/K RELAY K3A

A9 28 27 1 Al

A8 30 29 1 Ao ^lOlL ^K3B

RO' 32 31 1 WR' 111M RELAY K2A

MEMRO' 34 33 1 IORO' 12/N K2B

MEMEX' 36 35 1 IOEXP' 13/P RELAY K1A

MCSYNC' 38 37 REFRESH" 14/R K1B

STATUS 0' 40 39 STATUS l' 15/S RELAY KOA

BUSRO' 42 41 BUSAK' 16fT KOB

INTRO' 44 43 INTAK'

17/U SPARE

NMIRO' 46 45 WAITRO'

PBRESET' 48 47 1 SYSRESET' 18N SPARE

CNTRl' 50 49 CLOCK'

PCI IN 52 51 OUT PCO Interface Connector Pin List

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^{AUX GNO}^{AUX -V} 'Deslgr.ates Active Low Level Logic ⁵⁴⁵⁶ ⁵³⁵⁵ ^{AUX GND}^{AUX +V}

Edge Connector Pin List

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7. USER INTERFACE

7502 INTERFACE CONNECTOR, CS18 PART NUMBER

MANUFACTURER EDGE CONNECTOR POLARIZING KEY

Amp 582775-2 583274-1

Viking #2VH18/1AB5 091-0024-000

Sullen EHM18sREH PLM Kl

TRW Cinch #250-18-30-220 50-PK-2

EDAK Inc. 306-018-500-102 307-240-318

Pro-Log 902055 902176

(Spec #104859) (Spec #105249) See CBl8 for alternate edge connector

Data Bit 7 K7

K6

~----{

K5

~----r

K3 K2 Kl Data Bit 0 KO

' 0

1 I A

2

I

B 3

I

C

4 I

D 5

I

E

6 I

F 7

I

H 8

I J

9

I K 10 I

L 11

f M

12

I N

13

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P 14

I R

15

I S

1Q

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T 17 I U 18 , V

0

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KEY POS I T I ON (front)

.,--KEY POSITION (front) } SPARE PINS

(All pins· accept 3 #22 AWG wires) - REAR V lEW -

7502 INTERFACE CONNECTOR, SINGLE READ-OUT

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8. MECHANICAL DETAILS

Meets aI/ STO BUS general mechanical specifications with the foUowing exceptions:

1. The I/O interface connector is a 36-pin (dual 18-pin) edge connector. Overall card length is extended to 6.90 ±0.025 inches (17.53 ±0.064 cm.). Edge connector height is 2.930 to.005 inches (7.442 ±0.012 cm.). Contact fingers are on 0.156 inch (0.396 cm.) centers. Opposing fingers are shorted, yielding 18 isolated contacts. Two non-reversible connector keys are provided between pins 2 and 3, and 15 and 16.

2. An LED relay status display visible from the card front is included. Each LED is illuminated by its corresponding output port bit to indicate that the relay is energized.

3. The 7502 requires one open card slot on either side for clearance of the safety shields and interface connector (three card slots total).

The back shield adds 0.15 inch (0.38' cm.) to the card's profile on the wiring side. Safety shields may be removed if all potentials applied to the card are not dangerous.

Interface Connector Information

See CB18 and CS18 data sheets for compatible connector information.

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CONNECTOR KEYS BETWEEN PINS 15/S, 16fT,

AND21B'3~

TOOLING HOLE

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CARD EJECTOR

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I 4.100 I (10.41 CM) I

..,

I

4.48 (11.38 CM) 2.920

(7.417 CM)

j

.098 (.249 CM)

Front Edge Connector (Component - Side View)

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a@@@ CS18

@lJ[Q)~(w@~~~~~I/O EDGE CONNECTOR

SOLDER TAIL CONNECTOR

The C518 card edge connector is used on industrial interface cards requiring more than 50VDC and/or O.5A per contact.

FEATURES

• SA Maximum Per Contact

• Multiple Sourced

• Accepts PCBs of .062" Thickness

• Pierced Solder Talis Accept 3 #22 A WG Wires

• Includes Mating Hood, Hardware, and Keys

• UL Listed ELECTRICAL

• Material UL rated 94V-0 or 94V-1 (flame rating)

• Contact spacing 0.156" centers

• Contact rating: SA

• Maximum voltage drop: 30mV at SA

• Operating voltage: 350V at sea lev~1

• Operating t~mperature: -55°C to +105°C at sea level

• PCB thickness: .054 to .071 inches

• Insertion/withdrawal forces: 2 oz. to 8 oz. per contact pair

1

.251 t.032 (.131 t . • CM)

1 _ - - - 3 . 1 1 2 t·032 (US t • • eM)I _ _ _ _ _ +t

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2.852 t.OOS

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I_ 2150 t.015 (7.41 t.-eM)' _ _ _ 1

.031 C·07lCM)

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_{(._CM)}^{.1. D',}

ACCEPTS 3m AWQWIRES

( 0 I !HHHHI » IRH81~1111 ^{0 )}

Solder Tail Connector

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_.30 _INSERTION

(.782 eM) DEPTH

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~@@ CB18

@lJ[Q) ~QJJ@~~~~~I/O EDGE CONNECTOR

BARRIER STRIP CONNECTOR

The CB18 card edge connector is used on industrial interface cards requiring more than 50VDC and/or 0.5A per contact.

FEATURES

• 10A Maximum Per Contact

• Single Sourced

• Accepts pcas of .062" Thickness

• Tubular Contact Plate Accepts #12 to #22 AWG Wires

• Includes Keys

• UL Listed ELECTRICAL

• Material UL rated 94V-0 (flame rating)

• Contact spacing: 0.156" centers

• Contact rating: 10A/circuit continuous

• Breakdown voltage: 2500V

• Operating temperature: -55°C to +105°C at sea level

• PCB thickness: .054 to .071 inches

• Not recommended for more than 20 insertion/

withdrawals

CONNECTOR ORDERING INFORMATION The part number of various connector manufac- turers is given below.

Pro-Log CB18*

Buchanan PC828 Con-nector PC17 Keying plug

*Includes two keying plugs

1 ... --.-_ _ _ _ 2.972 (7.55 CM) _ _ _ _ _

---+.,

.156 (.40 CM) TYP

INTER-CONTACT KEYING SLOT (TYP)

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1.-.071 (.20 CM) TYP , .... _ _ _ _ _ _ _ 3.151 (I-a CM), _ _ _ _ _ _ _

-+.,

.344 (.174 CM) +-_ _ _ _ _ _ _ _ _ _ _ 3.401 ( .... CM) _ _ •• ,

--+ I+-MATING BOARD 1+-.158 (.40 CM) TYP

.350 (.IICM)

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DEPTH

2 MOUNTING

T

HOLES .131 DIAMETER

(.35 CM)

Barrier Strip Connector

~+-.562--l

~ (1.43Cii)"""j (.7ICM)

Pro-Log reserves the right to make changes to any products herein to improve reliability, function or design. Pro-Log does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rigpts nor the rights of others.

() PRO-LOG . TWX:91~360-7082

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105207A 1/80

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COR PO RAT ION 2411 Garden Road Monterey. California 93940 Telephone (408) 372-4593

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BISER'S MANBIAL

2411 Garden Road Monterey, California 93940 Telephone: (408) 372-4593

TWX: 910-360-7082

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106646A 300 9/81

MANUAL Output

STD 7000 7502

SPST Relay Output Card

USER'S MANUAL

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7502

SPST Relay Output Card USER'S MANUAL

7502 USER1S MANUAL

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TAB LEO·F CON TEN T S

SECTION Data Sheet

SECTION 2 Functional Description SECTION 3

SECTION 4 User SUEP 1 i ed Suppression Networks SECTION 5 Environmental Specifications

SECTION

Electrical Specifications SECTION 7 User's Interface

SECTION 8 Mechanical Deta i Is

SECTION 9 Schematic Diagram 104954

SECTION 10 Assembly Drawing 104955 0

SECTION

CS18.

Edge Connector Data Sheet SECTION 12 CB18! I/O EdSle Connector Data Sheet SECT tON 13 Test Program

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~@@ PRELIMINARY 7502

@iJ[Q) [IDllD@~~~SPST RELAY OUTPUT CARD

• Eight Independent SPST Dry Reed Relays (Normally open O.5A/200V)

• On-card LED Display of Relay Driver Status

• User-selected Port Address

• Keyed Front-edge connector for Relay Outputs

• Socketed I Cs

• Single +5VOperation

• Pads for User Provided Transient Suppression

• Provisions for Resistive Current Limiting

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2. FUNCTIONAL DESCRIPTION

A relay contact (normally-open) is assigned to each of the eight bits of the assigned output·port. Upon system reset the

are

and contacts are open. With an output command to the designated relay card, each relay state will latch the contents 6f the CPU accumulator.

The LED ihdicators display the latched state of each

(ACCUMULATOR BIT) RELAY COIL RELAY CONTACT LED INDICATOR

Set Activated Closed On

Clear De-Activated Open Off

The output port is implemented with an octal flip-flop (74LS273). Relay drive is provided with an octal buffer (74LS240). Damping

and LED statusindicato-rs .are in parallel with each relay coil.

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The 7502 card is shipped with the card mapped at Hex port address 40, On- board jumpers (SX, SY'and SZ) are provided for user selection of any output port 00 to FF. See figure below for logic diagram, physical locations of

and jumper selection table.

Consider standard mapping at port 40. On the selection ta-ble find the

intersection of the most significant Hex. digit

and the least si.gnificant Hex dtgit (-0) read X2, YO, and ZOo The schematic diagram is mapped at port 40 and the physical layout indicates the jumper positions for port 40.

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4. USER SUPPLIED SUPPRESSION NETWORK

Current lfmiting Resistor (cut trace when used)

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95CD 0 95(D ^%RH

ICC -- ^3.00 ^4.00 -- I ^-- ^mA ^I