Pressure transducer on dl205-1 f2-08ad-2

Tommycai

Member
Join Date
Aug 2011
Location
KY
Posts
120
I have a pressure transducer:
sensotec

A = + supply
B = - supply
C = - output
D = + output

EXE/SUPPLY 9 - 28 VDC
OUTPUT 0 - 5 VDC

The analog in card is a F2-08AD-2
Wiring to the card is as follows
A = 24VDC
B = 0VDC
C = 0VDC
D = Channel

trying to read
jumpers on +1,+2,+3 are all off
jumper on j3 is on for 5 Volts

My program is as follows

PLC 250(-1)

// Rung 1
// Address 0
STR SP1
LD K100
OUT V7660
LDA O2000
OUT V7670
LD V2000
MUL K500
DIV K4095
OUT V2500

// Rung 2
// Address 9
END

// Rung 3
// Address 10
NOP

in data view i'm viewing the v2000 and v2500 but both values are the same is that how it is supposed to be? I was expecting to read the psi value since i multiply by 500 and divide by 4095?
 
I would check the input ensure it is SP1 and not SP0 the SP0 is only active during the first scan cycle of off to on, or program to run mode. Try spliting up the loading of the analog value and the scaling. In data view try changing the values see if they are being over written. Also just making sure that slot 0 is next to the cpu.

Have A Good Day
Tom
 

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