Chapter 5 Relay Ladder Logic Programming
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Analog Elements
Analog
input Analog
output number
Analog input
A
8 (A01~A08)
Analog input parameter
V
8 (V01~V08)
Temperature input
AT
4 (AT01~AT04)
Analog output
AQ
4 (AQ01~AQ04)
Add-Subtract control
AS
AS
31 (AS01~AS1F)
Multiply-Divide control
MD
MD
31 (MD01~MD1F)
PID control
PID
PID
15 (PI01~PI0F)
Data Multiplexer control
MX
MX
15 (MX01~MX0F)
Analog Ramp control
AR
AR
15 (AR01~AR0F)
Data Register
DR
DR
240 (DR01~DRF0)
MODBUS
15
(MU01~MU0F)
Analog value (A01~A08, V01~V08, AT01~AT04, AQ01~AQ04) and current value of functions (T01~T1F,
C01~C1F, AS01~AS1F, MD01~MD1F, PI01~PI0F, MX01~MX0F, AR01~AR0F, and DR01~DRF0) can be used as
other function’s preset value. And the parameter preset value is its limit value when the current value of those
functions is bigger or less than parameter’s limit value.
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