1771-2.30, Allen-Bradley Analog Input Module (8
Contents
1. Introduction ALLEN BRADLEY Allen Bradley Analog Input Expander Modules Cat No 1771 E1 E2 E3 Product Data A ye ka rac i Ebal La ae ae BEL cates PE hel EPA reer EEEE Hy LP ae ety he a ae ye Analog Input Expander Modules cat no 1771 E1 E2 E3 are used with an Analog Input Module 12 bit Assembly cat no 1771 IF series B They provide a cost effective means of expanding the analog input capacity of a PC system When using block transfer programming you can use up to eight expander modules with each analog input module This allows as many as 64 analog inputs using 1771 E1 expanders per analog input module When using single transfer programming you can use up to eight expander modules with each analog input module Each Bulletin 1771 I O chassis can contain up to two expanded 1771 IF analog input modules provided that they are compatible with the other modules in the chassis For details regarding module compatability refer to the Analog Input Systems User s Manual publication 1771 803 Product Data Analog Input Expander Modules Operation Installation The cat no 1771 E1 analog input expander module provides 8 single ended inputs It consists of the following hardware a Analog Input Expander 12 bit 8 Single Ended Inputs cat no 1771 EIC e Field Wiring Arm cat no 1771 WF e Product Data publication 1771 942 The cat no 1771 E2 analog inp2. range of control and automation products and supporting services to help our customers continuously improve quality productivity and time to market These products and services not only control individual machines but integrate the manufacturing process while providing access to vital plant floor data that f f Me can be used to support decision making throughout the enterprise With offices in major cities worldwide WORLD EUROPE MIDDLE ASIA PACIFIC CANADA LATIN AMERICA HEADQUARTERS EAST AFRICA HEADQUARTERS HEADQUARTERS HEADQUARTERS Allen Bradley HEADQUARTERS Allen Bradley Hong Kong Allen Bradley Canada Allen Bradley 1201 South Second Street Allen Bradley Europe B V Limited Limited 1201 South Second Street Milwaukee WI 53204 USA Amsterdamseweg 15 Room 1006 Block B Sea 135 Dundas Street Milwaukee WI 53204 USA Tel 1 414 382 2000 1422 AC Uithoorn View Estate Cambridge Ontario NIR Tel 1 414 382 2000 Telex 43 11 016 The Netherlands 28 Watson Road 5X1 Telex 43 11 016 FAX 1 414 382 4444 Tel 31 2975 43500 Hong Kong Canada FAX 1 414 382 2400 Telex 844 18042 Tel 852 887 4788 Tel 1 519 623 1810 FAX 31 2975 60222 Telex 780 64347 FAX 1 519 623 8930 FAX 852 510 9436 Publication 1771 2 30 September 1983 Supersedes Publication 1771 942 June 1983 Printed in USA
3. the chassis to ensure that the backplane capacity is not exceeded Specifications Inputs per Module Cat No 1771 E1 8 single ended Cat No 1771 E2 6 differential Cat No 1771 E3 6 two wire sourcing Module Location 1771 I O rack Input Ranges Cat No 1771 E1 and Cat No 1771 E2 to 5V DC 10 to 10V DC 0 to 5V DC 0to 10V DC m 5 to 5V DC 4 to 20mA 0 to 20mA 20 to 20mA Cat No 1771 E3 4 to 20mA and 0 to 20mA Accuracy 0 05 percent of range voltage mode 0 07 percent of range current mode 10 Product Data Analog Input Expander Modules Temperature Coefficient Cat No 1771 E1 35 ppm C voltage mode 45 ppm C current mode Cat No 1771 E2 40 ppm C voltage mode 50 ppm C current mode Cat No 1771 E3 45 ppm C Input Overvoltage Protection 25V rms voltage mode 30mA current mode Common Mode Voltage Cat No 1771 E2 10V Common Mode Refection Ratio Cat No 1771 E2 80 dB DC to 120Hz voltage mode 20V pp DC to 120Hz current mode Input Impedance Cat No 1771 E1 and Cat No 1771 E2 10 ohms voltage mode 250 ohms current mode Internal Loop Impedance Cat No 1771 E3 285 ohms Maximum External Loop Impedance Cat No 1771 E3 1000 ohms for 20mA Backplane Power Supply Current Requirement 5V DC 150mA External Power Supply Current Requ
4. 1 IF analog input module For example expander module number 1 must be connected to channel 1 of the analog input module External Power Supply Connections External power supply connections are shown in figure 2 If the power supply has a power available output connect it to the power available terminals of the analog input module Otherwise connect these terminals together as shown in figure 2 Also if you use the same power supply for the expander module and the analog input module the 15V DC common terminal on the expander module is unused NOTE All commons are connected internally Product Data Analog Input Expander Modules Figure 2 Output and Power Connections Analog Input Module Field Wiring Arms Expander Module Field Wiring Arm Front View 1771 IF Side View 1771 E1 E2 E3 aa Saas pim a Channel 1 aces rues are ISE TKS Channei 5 Is Anaogcommon Ty Buco JO HTD Analog Common rT CEEE E a se hee TT P oe ae oe Source Common ka ISE INE Analog Common Aa Cable x lt A Channel 3 HKD sD ie Channel 7 a2 eran Analog Common IN IS Analog Common ae A EE A Ch 4 A 2 C 2 Jim Analog Output ioe LIST HSL hil nee eo Analog Common HDI HI Analog Common s cece 6 ae eet Not Used lon KD i Power Available E ee f ORT ni o TeL IBL erea oi Z onr EY Roc JE H pf woe a l Ta 5 0c Common JE il TOL E lt ney Chassis Ground 15V DC
5. Common External Power Supply 5V DC Common El if external power supply has a power available output connect it to the power available input of the Anaiog Input Module If the supply does not have a power available output use a jumper to short the power available terminals of the field wiring arm as shown A 15V DC common on Expander Module s used if external 15V power supply connected to Expander Module is the same one that 1s connected to the Analog Input Module as shown 10461 Keying After you decide which modules will be placed in each slot of the I O chassis you should use keying bands to guard against having the wrong type of module placed in a slot The keying positions for each type of input expander module is as follows cat no 1771 E1 8 10 and 24 26 cat no 1771 E2 2 4 and 12 14 cat no 1771 E3 2 4 and 22 24 Product Data Analog Input Expander Modules Power Requirements Analog Input Expander Modules cat no 1771 E1 E2 E3 require power from both the I O chassis backplane and an external power supply You can use either the Power Supply cat no 1770 P1 or the Remote Power Supply cat no 1778 P2 to provide external power to a 1771 E1 or 1771 E2 expander module For a 1771 E3 expander module use a Remote Power Supply cat no 1778 P2 Each expander module requires 150mA from the I O chassis backplane Be sure to consider this and the backplane current requirements of other modules in
6. LEAD gt SE P aaoo faci GHANNER TISCEADY E Sounee ee N 44 SOURCE CHANNEL 2 LEAD CHANNEL 3 CHANNEL 2 LEAD CHANNEL 4 CHANNEL 3 LEAD COMMON CHANNEL 3 LEAD CHANNEL 5 FLOATING CHANNEL 4 LEAD penn CHANNEL 6 CHANNEL 4 LEAD 7 COMMON CHANNEL 5 LEAD CHANNEL 7 CHANNEL 5 LEAD CHANNEL 8 amp 8 CHANNEL 6 LEAD COMMON CHANNEL 6 LEAD ANALOG OUT ANALOG OUT COMMON COMMON 15V DC 15V DC 15V DC 15V DC 15V DC COMMON 15V DC COMMON NOT USED NOT USED NOTES NOTES 1 Incoming Analog Signals cannot be tied 1 Analog signals must be within the 10QV to ground common mode voltage range which is referenced to the analog system common 2 Allcommon terminals are at the same electrical point within the module CHASSIS GROUND BELDEN 8761 CABLE PP CrARREL ET CEROT A CHANNEL 1 LEAD eee CHANNEL 2 LEAD CHANNEL 2 LEAD CHANNEL 3 LEAD CHANNEL 3 LEAD FLOATING CHANNEL 4 LEAD CHANNEL 4 LEAD CHANNEL 5 LEAD CHANNEL 5 LEAD CHANNEL 6 LEAD CHANNEL 6 LEAD ANALOG OUT COMMON 15V DC 15V QC 15V DC COMMON NOT USED NOTES t Incoming analog signal sources must be isotated from ground 10462 Product Data Analog Input Expander Modules Output Connections Connect the output of each expander module to the analog input module as shown in figure 2 Be sure to connect each expander module to the corresponding channel of the 177
7. aster 1 place a programming plug in the Master 1 position If you plan to connect the input expander module to Master 2 place a programming plug in the Master 2 position Module Number Selection Each Analog Input Expander Module cat no 1771 E1 E2 E3 associated with the same analog input module must be assigned a different module number To assign a module number to an input expander module place programming plugs in the positions specified in table A Assign module numbers consecutively beginning with number 1 and don t forget to write the module number on the front panel of the module for future reference The module number must be between 1 and 8 Table A Module Number Selection Expander Programming Number Plug Position h CONDO LP WP O oOo O O Channel Selection Before connecting your input expander modules you need to select the number of inputs which will be used Select the number of channels by placing programming plugs in the positions specified in table B Product Data Analog Input Expander Modules Table B Channel Selection Number of Channels Programming Plug Position 1 0 0 0 2 0 0 1 3 0 1 0 4 0 1 1 5 1 0 0 6 1 0 1 7 1 1 0 8 1 1 1 1 Defaults to 6 for 1771 E2 or 1771 E3 Output Range Selection The output range of the analog expander module must match the input range of the associated analog input module You can select an output range
8. given channel place a programming plug in the corresponding current range position The current range positions for 1771 E1 expander modules are labeled S1 thru S8 for channels 1 thru 8 respectively The current range positions for 1771 E2 expander modules are labeled D1 thru D6 for channels 1 thru 6 respectively Two current ranges are available with 1771 E3 input expander modules 0 to 20mA and 4 to 20 mA The programming plug positions for these ranges are shown in table E Changing the input ranges does not require that the expander module be recalibrated although the module calibration must still be checked annually to maintain the specified accuracy Product Data Analog Input Expander Modules Table E Input Current Range Selections 1771 E3 Input Programming Range Plug Position 4 to 20mA A C D E 0 to 20mA A C Input Connections Connect inputs to the wiring arm of input expander modules as shown in figure 1 Use consecutive channels beginning with channel 1 For example if you only use three channels on the expander module they must be channels 1 2 and 3 Also be sure that the input signals are compatible with the input range selected for the expander module Product Data Analog Input Expander Modules Figure 1 Input Connections CHASSIS GROUND CHASSIS 1771 E1 1771 E2 GROUND BELDEN 8761 CABLES BELDEN 8761 CABLE ANALOG LY CHANNEL TSTEAD N SOURCE ANALOG HANNEL 1
9. irement Cat No 1771 E1 And Cat No 1771 E2 m 15V DC 50mA 15V DC 50mA Cat No 1771 E32 15V DC 200mA 15V DC 200mA Ambient Temperature Ratings Operational 0 C to 60 C 32 F to 140 F Storage 40 C to 85 C 40 F to 185 F 11 Product Data Analog Input Expander Modules Relative Humidity Rating 5 to 95 without condensation Electrical Isolation 1500V rms transient Keying Cat No 1771 E1 8 10 and 24 26 Cat No 1771 E2 2 4 and 12 14 Cat No 1771 E3 2 4 and 22 24 Output to 1771 IF Series B m 1to 5V DC 10 to 10V DC 0 to 10V DC 0 to 5V DC The 1000 ohms is the maximum external loop impedance at which the cat no 1771 E3 expander module can source 20mA This impedance is also dependant upon the isolated transmitter s specifications Refer to transmitter data sheets for further information 2The cat no 1771 E3 expander nodule provides six 26V DC 2 wire sourcing inputs for use with 2 wire transmitters The 26V DC is derived from the 30V difference between the 15V and 15V external power supply AL L E N a B R AD L EY As a subsidiary of Rockwell International one of the world s largest technology companies Allen Bradley meets today s challenges of industrial automation with over UI ROCKWELL INTERNATIONAL COMPANY 85 years of practical plant floor experience More than 11 000 employees throughout the world design manufacture and apply a wide
10. to match any input voltage range of the 1771 IF analog input module To select the output range place programming plugs in the positions specified in table C NOTE The analog input module must be configured for a voltage range for use with input expander modules If it is configured for a current range change it to a voltage range as described in the Analog Input System cat no 1771 IF and 1771 El E2 E3 User s Manual publication 1771 803 Changing the output range does not require that the expander module be recalibrated Table C Output Range Selection Output Programming Range Plug Position 1 to 5V DC G H 1 K L 0 to 5V DC G H 10V DC F 0 to 10V DC G Product Data Analog Input Expander Modules Input Range Selection You can select one of the following input ranges for each 1771E1 or 1771 E2 input expander module a Sto 5V DC a O0to 5V DC a I to 5V DC e 10to 10V DC a O0to l0V DC ae 4 to 20mA a 0to 20mA a 20 to 20 mA Table D shows the programming plug positions for each range When selecting a current range be sure to use the S1 thru S8 positions for 1771 E1 expander modules and the D1 thru D6 positions for 1771 E2 expander modules Table D Input Range Selections 1771 El E2 Voltage Current Programming Plug Range Range Position 1 to 5V DC 4 to 20mA 0 to 5V DC 0 to 20mA 10 to 10V DC 0 to 10V DC 5 to 5V DC 20 to 20MA To select a current range for a
11. ut expander module provides 6 differential inputs It consists of the following hardware e Analog Input Expander 12 bit 6 Differential Inputs cat no 1771 E2C e Field Wiring Arm cat no 1771 WF e Product Data publication 1771 942 The cat no 1771 E3 analog input expander module provides 6 two wire sourcing inputs It consists of the following hardware a Analog Input Expander 12 bit 6 Sourcing Inputs cat no 1771 E3C e Field Wiring Arm cat no 1771 WF e Product Data publication 1771 942 An analog input expander module acts as a data collector for an associated 1771 IF analog input module It multiplexes its inputs into a single output signal This signal is then transmitted via cables to an analog input module The expander module communicates with the analog input module on the I O chassis backplane Installation of analog input expander modules includes selecting master number module number number of channels input and output ranges inserting the module in a 1771I O chassis connecting input and interconnect cables and keying the I O chassis The following paragraphs describe the installation of analog input expander modules Product Data Analog Input Expander Modules Master Number Selection Each input expander module sends its data to one analog input module The 1771 IF series B analog input module is designated as either Master 1 or Master 2 If you plan to connect the input expander module to M
Download Pdf Manuals
Related Search