Analog modules User guideLecturer: B.Eng. Tan Nguyen-HuuEmail: nhtan@gmail.com

Cac module AnalogEM231: 4 analog inputsEM232: 2 analog outputsEM235: 4 analog inputs, 1 analog output

Thng s hoat nginh dang d liu:Lng cc: -32000->+32000 (11 bits, 1 bit du)n cc: 0->32000 (12 bits)Tr khang ngo vao: >10 M Ohmsin ap hoat ng 20V-28.8VLoai ngo vao: Vi saiThi gian chuyn i: ti a 250 usSai s cc ai: 2% cua tm o

Thng s hoat ngi vi Module Analog output:Ngo ra ap: Rmin = 5000 OhmsNgo ra dong: Rmin = 500 OhmsTm ngo ra:Ngo ra ap: -10V->+10VNgo ra dong: 0->20mA

Cu hinh chung

S u dy

S khi mach analog input

S khi mach Analog output

Cu hinh ch hoat ng (n cc)

Cu hinh ch hoat ng(lng cc)

Hiu chinh ngo vaoTt ngun Modules, chon tm ngo vaoBt ngun CPU va Module, i cho n inh trong 15 phutS dung transmitter, ngun ap, ngun dong cp gia tri 0 i vi 1 trong s cac ngo vaooc gia tri bao v bi CPUChinh bin tr offset cho n khi gia tri vao la 0Cp gia tri full-scale vao cho input.Chinh bin tr Gain gia tri oc v la 32000

Cach oc d liu AnalogKt qua c canh trai ch n cc, ngo vao thay i 1 n vi=> AIWxx thay i 8 n vi ch lng cc, ngo vao thay i 1 n vi=> AIWxx thay i 16 n vi

Cach xut d liu AnalogKt qua canh traiMSB la bit u4 bit cui khng co anh hng n in ap xut ra.

Cac module EM231 chuyn dung