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DI-500/510 Series and DI-750/760 Series Hardware Manual

5B Modules

36

DI-5B42  2-Wire Transmitter Interface Modules

DESCRIPTION

Each DI-5B42 2-wire transmitter interface module provides a single channel which accepts a 4 to 20 mA process cur-
rent input and provides a st1 to +5V output signal (see block diagram). An is20VDC regulated 
power supply is provided to power the current transmitter. This allows a 2-wire loop powered transmitter to be 
directly connected to the DI-5B42 without requiring an external power supply. The regulated supply will provide a 
n20VDC at a loop current of 4mA to 20mA. 

The DI-5B42 will provide a 1500V isolation barrier for non-isolated 2-wire field transmitters. It can also be used 
when additional isolation is required between an isolated 2-wire transmitter and the input stage of the control room 
computer.

The voltage output is logic switch controlled, which allows these modules to share a common analog bus without the 
requirement of external multiplexers.

The DI-5B modules are designed with a completely isolated computer side circuit which can be floated to ±50V from 
Power Common, pin 16. This complete isolation means that no connection is required between I/O Common and 
Power Common for proper operation of the output switch. If desired, the output switch can be turned on continuously 
by simply connecting pin 22, the Read-Enable pin to I/O Common, pin 19.

A precision 20W current conversion resistor is supplied with the module. All field inputs are fully protected from 
accidental connection of power-line voltages up to 240VAC. The module has a 3dB bandwidth of 100Hz. Signal fil-
tering is accomplished with a six-pole filter, with two poles on the field side of the isolation barrier, and the other four 
on the computer side.

Ordering Information

MODEL

INPUT RANGE

OUTPUT RANGE

DI-5B42-01

4mA to 20mA

+1V to +5V

Isolation Barrier

+PWR

+EXC

–EXC

–PWR

+IN

+OUT

–IN

–OUT

Power

Oscillator

+V

-V

+Vf

-Vf

s

s

Surge Suppression

and Protection

LPF

Isolated

Field-Side

Isolated

Excitation

Power

Isolated

System-Side

Power

LPF

Iso-Chopper II

Amplifier

Pat. Pending

TM

1

2

3

4

5

6

7

8

2-Wire

Transmitter

Rconv

Free Datasheet http://www.datasheet4u.com/

Summary of Contents for DI-500 Series

Page 1: ...optical chemical manual or otherwise without expressed written authorization from the com pany The distribution of this material outside the company may occur only as authorized by the company in wri...

Page 2: ...Free Datasheet http www datasheet4u com...

Page 3: ...een repaired or altered by persons other than DATAQ Instru ments employees or products that have been subjected to misuse neglect improper installation or accident DATAQ Instruments shall have no liab...

Page 4: ...Free Datasheet http www datasheet4u com...

Page 5: ...Ground referenced Signal Sources 7 Signal Cable and the Differential Amplifier 9 Labeling Analog Input Channels 9 Increasing the Total Analog Input Channel Capacity 10 The DI 500 Series Instrument 12...

Page 6: ...IPTION 28 Ordering Information 28 DI 5B35 Linearized 4 Wire RTD Input Modules 30 DESCRIPTION 30 Ordering Information 31 DI 5B36 Potentiometer Input Modules 32 DESCRIPTION 32 Ordering Information 32 DI...

Page 7: ...o the DI 500 16 DI 500 32 DI 510 32 DI 510 48 DI 510 64 or any of the channel expansion instruments DI 750 Series applying to the DI 750 16 and DI 750 32 and DI 760 Series applying to the DI 760 32 DI...

Page 8: ...Free Datasheet http www datasheet4u com...

Page 9: ...I 760 48 16 signal conditioned channels and 32 high level channels DI 510 64 DI 760 64 64 high level channels Note all instruments are expandable to 240 channels All Analog Inputs Analog resolution 14...

Page 10: ...h 64k samples Post trigger length 64k samples Trigger channel Any channel Trigger level hysteresis 8 bit 256 counts Power Requirements DI 500 and DI 750 Series instruments 700mA 12VDC typical excludin...

Page 11: ...ide you through the appropri ate steps for replacing missing or damaged items Save the original packing material in the unlikely event that your unit must for any reason be sent back to DATAQ Instrume...

Page 12: ...be used refer to the following pin out diagram for power requirements 3 Turn the POWER SWITCH to ON Connecting Your Signals On portable DI 500 510 Series instruments all analog input signal connection...

Page 13: ...ltage between the high and low inputs Differential amplifiers have the advantage of reducing common mode voltages i e those appearing simultaneously and in phase on both inputs This capability may be...

Page 14: ...causes current to flow through the shield and induces noise on the signal to be measured This problem is eliminated by ensuring that only one ground exists on the signal circuit 6LJQDO 6RXUFH LIIHUHQW...

Page 15: ...necessary to label them For exam ple say you are using a DI 510 64 or a DI 760 64 to record 64 analog input channels and you want to record the sig nal connected to channel 28 Looking at the instrume...

Page 16: ...struments are connected together one instrument becomes the master instrument and all others become slave instruments The master is always defined as the instrument connected directly to the PC A slav...

Page 17: ...ill be recorded A small box is provided on the instrument panel to label banks of channels and avoid this problem In order for you and the software either WINDAQ or the ActiveX Control Library to tell...

Page 18: ...ur input signal i e the output from a thermocouple strain gage LVDT etc so it becomes suitable for A D conversion by the DI 500 510 or DI 750 760 Series instrument When a DI 5B module is installed the...

Page 19: ...alog input functions The expansion instruments in the DI 500 510 and DI 750 760 Series only have the POWER status lamp POWER SWITCH Controls power to the DI 500 510 and DI 750 760 Series instrument Re...

Page 20: ...lly when you install any version of WINDAQ software and comes with its own built in documentation For non programmers or for those who want convenience DATAQ Instruments Inc provides WINDAQ software W...

Page 21: ...or will blink in the Channels field on the status bar The currently active list of enabled channels are displayed in this field immediately to the left of the cursor initially only channel 1 is enable...

Page 22: ...channel is enabled for differential operation for operation defined by the 5B module if used or for differential operation between a pair of channels automatically defined by the grid Since there are...

Page 23: ...nnel from 1 through 8 but the second or negative channel is automatically selected by the software Clicking the left mouse button on the plus sign removes both plus and minus signs and thus disables t...

Page 24: ...in the grid that represents the desired channel and click the left mouse button to enable the channel as a differential input when not using 5B modules or as an input defined by the 5B module when use...

Page 25: ...in the grid that represents the desired channel and click the left mouse button to enable the channel as a differential input when not using 5B modules or as an input defined by the 5B module when use...

Page 26: ...channel box indicating one differential chan nel and a minus sign is automatically displayed eight channels away i e channels 1 and 9 2 and 10 5 and 13 etc indicating the other differential channel Yo...

Page 27: ...e an A in one box to des ignate channels A1 through A32 and a B in the other box to designate channels B1 through B32 Do the same for any slave instruments in your configuration but use C D etc Point...

Page 28: ...box in the grid that represents the desired channel and click the left mouse button to enable the channel as a differential input when not using 5B modules or as an input defined by the 5B module when...

Page 29: ...en not using 5B modules or as an input defined by the 5B module when used A check mark is displayed in the desired channel box indicating that a differential input when not using 5B modules or an inpu...

Page 30: ...ouse button to enable the channel as a differential input when not using 5B modules or as an input defined by the 5B module when used A check mark is displayed in the desired channel box indicating th...

Page 31: ...jection at 60Hz and 90dB at 50Hz Two poles of this filter are on the field side of the isolation barrier and the other four are on the com puter side After the initial field side filtering the input s...

Page 32: ...2 module see block diagram for installation details Signal filtering is accomplished with a six pole filter which provides 95dB of normal mode rejection at 60Hz and 90dB at 50Hz Two poles of this filt...

Page 33: ...amplifier and RMS converter on the field side of the isolation barrier The converted dc signal is then chopped by a proprietary chopper circuit and transferred across the transformer isolation barrie...

Page 34: ...lf heating of the RTD Signal filtering is accomplished with a six pole filter which provides 95dB of normal mode rejection at 60Hz and 90dB at 50Hz Two poles of this filter are on the field side of th...

Page 35: ...F to 120 C 248 F 10 at 0 C 0 C 32 F to 120 C 248 F 10 at 25 C 0 C 32 F to 160 C 320 F 10 at 0 C 0V to 5V 0V to 5V 0V to 5V 0 23 C 0 23 C 0 32 C 120 Ni 0 00672 DI 5B34N 01 0 C 32 F to 300 C 572 F 0V t...

Page 36: ...mon pin 19 RTD excitation is provided from the module by a precision current source The excitation current is available on two leads which are separate from the two input signal measuring leads The ex...

Page 37: ...32 F to 600 C 1112 F 0V to 5V 0V to 5V 0V to 5V 0V to 5V 0 46 C 0 36 C 0 46 C 0 88 C 10 Cu 0 004274 DI 5B35C 01 DI 5B35C 02DI 5B35C 03 0 C 32 F to 120 C 248 F 10 at 0 C 0 C 32 F to 120 C 248 F 10 at...

Page 38: ...ffects of lead resistances The excitation currents are very small less than 1 0mA which minimizes self heating of the potentiometer Signal filtering is accomplished with a six pole filter which provid...

Page 39: ...idth allows measurement of high speed processes such as vibration analysis Strain Gage excitation is provided from the module by a very stable 10V or 3 333V source The excitation supply is fully isola...

Page 40: ...3mV V Sensitivity 5V to 5V DI 5B38 33 or DI 5B38 03 Half Bridge 100 to 10k 3 333V at 3mV V Sensitivity 5V to 5V DI 5B38 34 or DI 5B38 04 Half Bridge 300 to 10k 10 0V at 3mV V Sensitivity 5V to 5V DI...

Page 41: ...a gain bandwidth product of 5MHz and is bandwidth limited to 10kHz After amplification the input signal is chopped by a proprietary chopper circuit Isolation is provided by transformer coupling again...

Page 42: ...ternal multiplexers The DI 5B modules are designed with a completely isolated computer side circuit which can be floated to 50V from Power Common pin 16 This complete isolation means that no connectio...

Page 43: ...e excitation supply is fully iso lated allowing the amplifier inputs to operate over the full range of the excitation voltage This feature offers signifi cant flexibility in real world applications Te...

Page 44: ...eries Hardware Manual 5B Modules 38 DI 5B43 06 6V 10 0Vdc 40m DI 5B43 07A 7V 10 0Vdc 40m DI 5B43 08A 8V 10 0Vdc 40m DI 5B43 09 9V 10 0Vdc 40m DI 5B43 10 10V 10 0Vdc 40m CSA certification pending Free...

Page 45: ...ble on pin 1 EXC and the excitation common is pin 3 In The DI 5B modules are designed with a completely isolated computer side circuit which can be floated to 50V from Power Common pin 16 This complet...

Page 46: ...minals on the mounting hardware Upscale open ther mocouple detect is provided by an internal pull up resistor Downscale indication can be implemented by installing an external 47MW resistor 20 toleran...

Page 47: ...0 70 C DI 5B47K 04 Type K 0 C to 1000 C 32 F to 1832 F 0 80 C DI 5B47K 05 Type K 0 C to 500 C 32 F to 932 F 0 38 C DI 5B47K 13 Type K 100 C to 1350 C 148 F to 2462 F 1 20 C DI 5B47K 14 Type K 0 C to 1...

Page 48: ...Free Datasheet http www datasheet4u com...

Page 49: ...Free Datasheet http www datasheet4u com...

Page 50: ...Akron Ohio 44333 Telephone 330 668 1444 Fax 330 666 5434 E mail support dataq com Direct Product Links click on text to jump to page Data Acquisition Data Logger Chart Recorder Thermocouple Oscillosco...

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