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> Dgh D1112 voltage input modules +/-100MV to rs-485
Dgh D1112 voltage input modules +/-100MV to rs-485
The internet price on these item s is $250 I have 8 of these items. I am selling for $50 a piece. They basically allow you to read one +/-100mv transducer and convert it to computer data which can be displayed and recorded. Used in equipment and home automation. These can be daisy chained and addressed so you can read as many channels as you have modules. They operate using 10-30V DC. The maximum computer cable length is 4000ft per the RS-485 Standard.
If you need help with these modules I can provide consultation and even provide LabView based services and executables to read your device(s).
This is a D1112 ADC module input converts analog DC voltage input signals to digital information, linearized the digital data, scales in millivolts, and communicates the values to a host computer or PLC. The data values are transmitted in ASCII to a host computer via RS232 or RS485 .
Complete Documents available on the internet. http:// /d1000/d1100.htm
Voltage Inputs: (+/-10mv, +/-100mV, +/-1V, +/-5V, +/-10V, +/-100V)
Accuracy:+/-0.02% of full scale.
Resolution:0.01% of full scale.
Common mode rejection: 100db at 50/60 Hz.
Zero drift:+/-1 count max (autozero).
Span tempco:+/-50ppm/deg C max
Input burnout protection to 250 VAC.
Input impedance: <=1V FS=100 megohm min, >=5V FS=1 megohm min.
Two open-collector digital outputs or (HI/LO alarms).
One digital input/60 Hz events counter (D1100M series does not contain Events Counter).
