MR16 Mechanical Relay Output Board User`s Manual
Contents
1. Le T 5 ES Ion 5 au nm 9H SH 3 TH amp 5 HH Di HH Di Qe a D S 38 2 amp 5 n 5 5 00000000 gl 6 9 69 Ba es 2332 SI 23 Fig 1 MR16 Board Layout 3 P3 Internal External Power Source 5 Volts Factory Setting 5V INT Header connector P3 shown in Figure 2 let you select the power source for the MR16 Each relay consumes about 33 mA when energized so the maximum current requirement for all relays energized simultaneously is about 0 53 A Taking this much current from the computer s 5 volt power bus could overload the PC s supply if you have other circuitry drawing high current such as two or three MR16 boards daisy chained P3 can be used to jumper to an external 5 volt power supply The external power sources are connected to the MR16 board at TB4 located to the left of P3 P3 m Z x e 5 Fig 2 Internal External Power Source Jumper P3 P5 Through P20 Bypass Normal Relay Operation Factory Setting NOR Normal Header connectors P5 through P20 P5 is shown in Figure 3 let you bypass an individual relay so that the digital output line can be brought out to the external I O connector where it can be used for digital control functions The jumper for each relay channel is factory installed across the NOR pins for normal relay operation the digital output line controls the relay To bypass the2. OJO OO DE 00 O Qu 9909 009 Qe Se SS UE 6062 SS G9 69 UE UE B 3 DIFF S E AIN1 ANALOG GND AIN2 ANALOG GND AIN3 ANALOG GND AIN4 ANALOG GND AIN5 ANALOG GND AIN6 ANALOG GND AIN7 ANALOG GND AIN8 ANALOG GND ANALOG GND ANALOG GND ANALOG GND DOUT7 DOUT6 DOUT5 DOUT4 DOUT3 DOUT2 DOUT1 DOUTO DIGITAL GND TIMER OUT COUNTER OUT EXT GATE 5 VOLTS DIGITAL GND ANALOG GN ANALOG GN ANALOG GN ANALOG GN ANALOG GN ANALOG GN ANALOG GN ANALOG GN ANALOG GN ANALOG GN ANALOG GN DOUT7 DOUT6 DOUT5 DOUT4 3 2 1 0 DOUT DOUT DOUT DOUT TIMER OUT COUNTER O EXT GATE 5 VOLTS Q 0 0 g g Jg g Y DIGITAL GND Ul DIGITAL GND ADA900 Pinout DM402 Pinout DIFF S E ANALOG GND ANALOG GND ANALOG GND ANALOG GND ANALOG GND ANALOG GND DIN7 N6 N5 N4 N3 N2 N1 DINO TRIGGER IN DIGITAL GND TRIGGER OUT EXT CLK 412 VOLTS 12 VOLTS D D D D D D AIN1 AIN2 AIN3 AIN4 AIN5 AING AIN7 AIN8 AO T 1 AO T 2 ANALOG GND PA7 PAG PAS PA4 PA3 PA2 PA1 PAO TRIGGER IN EXT GATE 1 TRIGGER OUT EXT CLK 12 VOLTS 12 VOLTS DIFF S E AIN1 ANALOG GND AIN2 ANALOG GND AIN3 ANALOG GND AIN4 ANALOG GND ANALOG GND ANALOG GND ANALOG GND ANALOG GND ANALOG GND ANALOG GND ANALOG GND DOUT7 DOUT6 DOUT5 DOUT4 DOUT3 DOUT2 DOUT1 DOUTO
3. Vdc min ien ilc EE 3 msec typ ORF time ute AU en 2 msec typ Switching 10 msec typ Insulation reSistanCe 3 une EE HET GERE ERR gt 100 My Life expectancy se iese citea entier eene over 5 million operations at full load Current Requirements 5 volts 33 MA per relay energized ssee 53A Power Requirements FO Volts a5 N tne te ds From computer or external power supplies Connectors Two 50 pin shrouded headers with ejector tabs Screw Terminals TB1 and TB2 25 terminal TB3 16 terminal TB4 3 terminal 22 12 AWG wire Size 6 875 L x 5 0 W 175mm x 127mm A 3 A 4 APPENDIX B RTD INTERFACE BOARD PINOUTS B 2 ADA3100 Pinout AD3700 Pinout DIFF N14 N24 N34 N44 N54 N64 N74 N84 gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt A S E 1 N2 N3 N4 N5 N6 N7 N8 AOUT1 AOUT2 ANALOG GND D D D D D D D D N7 N6 N5 N4 N3 N2 Ni NO TRIGGER IN EXT PACER CLK TRIGGER OUT EXT CLK 12 VOLTS 12 VOLTS ANALOG ANALOG ANALOG gt gt gt gt gt gt gt gt N1 N2 N3 N4 N5 N6 N7 N8 GND GND GND DIDI II D N7 N6 N5 N4 N3 N2 1 NO TRIGGER IN EXT PACER CLK TRIGGER OUT EXT CLK 12 VOLTS 12 VOLTS 018 GO G6 O 00 D B 0909 DIE QUO as SS 28 2 SE 6 amp 65 G9 ae e Ie ae O
4. purchaser of product and is not transferable During the one year warranty period REAL TIME DEVICES will repair or replace at its option any defective products or parts at no additional charge provided that the product is returned shipping prepaid to REAL TIME DEVICES All replaced parts and products become the property of REAL TIME DEVICES Before returning any product for repair customers are required to contact the factory for an RMA number THIS LIMITED WARRANTY DOES NOT EXTEND TO ANY PRODUCTS WHICH HAVE BEEN DAM AGED AS A RESULT OF ACCIDENT MISUSE ABUSE such as use of incorrect input voltages improper or insufficient ventilation failure to follow the operating instructions that are provided by REAL TIME DEVICES acts of God or other contingencies beyond the control of REAL TIME DEVICES OR AS A RESULT OF SERVICE OR MODIFICATION BY ANYONE OTHER THAN REAL TIME DEVICES EXCEPT AS EX PRESSLY SET FORTH ABOVE NO OTHER WARRANTIES ARE EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND REAL TIME DEVICES EXPRESSLY DISCLAIMS ALL WARRANTIES NOT STATED HEREIN ALL IMPLIED WARRANTIES INCLUDING IMPLIED WARRANTIES FOR MECHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE DURATION OF THIS WARRANTY IN THE EVENT THE PRODUCT IS NOT FREE FROM DEFECTS AS WARRANTED ABOVE THE PURCHASER S SOLE REMEDY SHALL BE REPAIR OR REPLACEMENT AS PROVIDED A
5. BOVE UNDER NO CIRCUMSTANCES WILL REAL TIME DEVICES BE LIABLE TO THE PURCHASER OR ANY USER FOR ANY DAMAGES INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAM AGES EXPENSES LOST PROFITS LOST SAVINGS OR OTHER DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PRODUCT SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSE QUENTIAL DAMAGES FOR CONSUMER PRODUCTS AND SOME STATES DO NOT ALLOW LIMITA TIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATIONS OR EXCLU SIONS MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE B 3 B 4
6. DIGITAL GND DIGITAL GND COUNTER OUT EXT GATE 5 VOLTS DIGITAL GND e amp o99o9e99 999999999999 99999 GeOOo9 9999999999999OOooeoeo ANALOG GND ANALOG GND ANALOG GND ANALOG GND ANALOG GND ANALOG GND ANALOG GND ANALOG GND ANALOG GND ANALOG GND ANALOG GND PC7 PC6 PC5 PC4 PC3 PC2 PC1 PCO DIGITAL GND T C OUT 1 T C OUT 2 EXT GATE 2 5 VOLTS DIGITAL GND OO OX OO DIE QU 309 UE ae 63 69 Ste UE DE 636 G3 G9 6269 os B 4 DM406 Pinout DIFF SE AIN1 AINT AIN2 AIN2 AIN3 AIN3 AIN4 AINA AIN5 AIN5 AIN6 AIN6 AIN7 AIN7 AIN8 8 AOUT 1 AOUT 2 ANALOG GND PA7 PAG PAS PA4 PA3 PA2 PAI PAO TRIGGER IN EXT GATE 1 TRIGGER OUT EXT CLK 12 VOLTS 12 VOLTS O OJO OO CX OO QUE OY 00 0909 E 88 9 69 UE IE 63 69 G9 69 E DA B 5 DIFF S E AIN1 AIN9 AIN2 AIN10 AIN3 AIN11 AIN4 AIN12 AIN5 AIN13 AIN6 AIN14 AIN7 AIN15 AIN8 AIN16 ANALOG GND ANALOG GND ANALOG GND PC7 PC6 PC5 PC4 PC3 PC2 PC1 PCO DIGITAL GND T C OUT 1 T C OUT 2 EXT GATE 2 5 VOLTS DIGITAL GND B 6 APPENDIX B WARRANTY B 2 LIMITED WARRANTY Real Time Devices Inc warrants the hardware and software products it manufactures and produces to be free from defects in materials and workmanship for one year following the date of shipment from REAL TIME DE VICES This warranty is limited to the original
7. MR16 Mechanical Relay Output Board User s Manual UD Real Time Devices Inc Ue Accessing the Analog World Publication No MR16 9738 MR16 User s Manual UI REAL TIME DEVICES INC Post Office Box 906 State College Pennsylvania 16804 Phone 814 234 8087 FAX 814 234 5218 Published by Real Time Devices Inc P O Box 906 State College PA 16804 Copyright O 1997 by Real Time Devices Inc All rights reserved Printed in U S A INTRODUCTION The MR16 mechanical relay output board provides 16 electromechanical single pole double throw relays for general purpose switching applications Driven by 16 digital output lines available on many Real Time Devices PC data acquisition and control boards the MR16 features 16 SPDT relays with 120 volt 1A rating On board relay driver circuits LED indicators to monitor relay activity e Single 5 volt power supply On board screw terminals for easy wiring What Comes With Your Board You receive the following items in your MR16 package e MRI6 mechanical relay output board User s manual If any item is missing or damaged please call Real Time Devices Customer Service Department at 814 234 8087 If you require service outside the U S contact your local distributor In addition to the items included in your MR16 package Real Time Devices offers a full line of board accesso ries Key accessories for the
8. MR16 include the TB50 terminal board and the XB50 prototype terminal board which can be connected to the daisy chain connector for prototype development and easy signal access Using This Manual This manual is intended to help you get your new board running quickly while also providing enough detail about the board and its functions so that you can enjoy maximum use of its features even in the most complex applications We assume that you already have an understanding of data acquisition principles and that you can provide the software necessary to control the MR16 board When You Need Help This documentation package should provide enough information for you to achieve your desired results If you have any problems using this board contact our Technical Support Department 814 234 8087 during regular business hours eastern standard time or eastern daylight time or send a FAX requesting assistance to 814 234 5218 When sending a FAX request please include your company s name and address your name your telephone number and a brief description of the problem MR16 DESCRIPTION Board Settings The MR16 board has jumper settings you can change if necessary for your application The factory settings are listed in this section Should you need to change these settings use these easy to follow instructions Figure 1 shows the board layout 0508 je OR Ol Es Pi 5 FRE ae ee E 0 D
9. connect to another MR16 each digital output line will now control two relays one on each MR16 board or to a TB50 or XB50 breakout board to easily access all of the interface board signals Our technical staff will gladly help you select the accessories you need for your application DIN 15 DIN 7 DIN 14 DIN 6 DIN 13 DIN 5 DIN 12 DIN 11 DIN 10 DIN 9 DIN 8 DIN 4 DIN 3 DIN 2 DIN 1 DINO 12 VOLTS 5 VOLTS DIGITAL GND O OJO OO 00 OO DE 0909 YD as 636 SS 69 DS Se OD 08 Fig 4 P1 1 0 Connector Pin Assignments Connecting to a 40 pin A D Converter Board The MR16 can be adapted for use with all Real Time Devices 40 pin interface boards by making I O connec tions using an RTD Discrete Wire Kit Available with single or twisted pair wiring this kit is designed so that you can mate connectors with otherwise incompatible pinouts Using Figure 4 and the pinout diagram for your interface board you can make the appropriate connections Connecting to the Signal Sources One digital output line from the A D interface board is required to control each relay These lines are labeled DINO through DIN15 on the MR16 P1 connector pinout because they are inputs to the MR16 board These lines programmed through the A D interface board When selecting normally open operation of a relay the relay is open when the control line is low and closed when the control line is high In normally closed o
10. peration the relay is closed when the control line is low and open when the control line is high When the relay is energized its LED status indicator light will be on The MR16 cannot be controlled by analog lines If your interface board s digital I O is provided by an 8255 programmable peripheral interface PPI then you must set up the lines that you use for the MR16 as mode 0 outputs The interface board manual tells you how to set up the PPI TB1 and TB2 are 25 terminal miniature screw terminal strips which let you easily connect and disconnect the relay outputs to external devices When operating the relay as a normally open switch open low and closed high connect the external device the relay is controlling to the NO terminal screw and the ground to the COM terminal screw for the selected channel When operating the relay as a normally closed switch closed low and open high connect the external device to the NC terminal screw and the ground to the COM screw terminal An additional ground terminal is provided on each strip for your convenience when making these connections Figure 5 shows a diagram of the channel 1 DINO relay circuit CHANNEL 1 BYP CON Fig 5 MR16 Relay Circuit Diagram APPENDIX A MR16 SPECIFICATIONS A 2 MRI16 Characteristics Typical E 25 C Relay TYPE oi capi c as SPDT Form C Contact rating aa sa OR 120 Vac Vac 1 A Breakdown voltage mmmm nene nenea nana anna 500 Vac
11. relay move the jumper to the BYP pins and install a O ohm resistor or jumper wire in the corresponding resistor pads R1 is the Channel resistor pad R2 is Channel 2 and so on through R16 as marked on the board Note that you must move the jumper to BYP and install a O ohm resistor to bypass the relay The relay channel diagram on page 6 shows this circuitry P5 NOR BYP Fig Bypass Normal Relay Jumper P5 Connecting to the PC Interface Board Connecting to a 50 pin Interface Board Figure 4 shows the MR16 s P1 I O connector pinout with all of the pins used by the MR16 board labeled The MR 16 is pin for pin compatible with all Real Time Devices 50 pin I O connector boards For these boards all of the unlabeled pins on the MR16 carry the same signal found at the I O connector of the interface board you are using If you want to access other signals on your interface board such as analog inputs and timer counters you can connect to the 16 signals available on TB3 at the top of the MR16 board This terminal strip is labeled with the pin numbers brought out to it from the 50 pin connector To find the signals available on these pins refer to the inter face board s pinout To further expand the number of relays you can control using your digital I O lines you can use the daisy chain connector on the MR16 board P2 The signals at this connector are identical to the pinout of your 50 pin interface board You can
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