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IN1L : Selects the low scale value for the Linear type input 1.
IN1L : Selects the low scale value for the Linear type input 1.
Hidden if :
Hidden if :
T/C or RTD type is selected for IN1.
T/C or RTD type is selected for IN1.
IN1H : Selects the high scale value for the Linear type input 1.
IN1H : Selects the high scale value for the Linear type input 1.
Hidden if :
Hidden if :
T/C or RTD type is selected for IN1.
T/C or RTD type is selected for IN1.
How to use IN1L and IN1H :
How to use IN1L and IN1H :
If 4 - 20 mA is selected for IN1,let SL specifies the input signal low ( ie. 4 mA ),
If 4 - 20 mA is selected for IN1,let SL specifies the input signal low ( ie. 4 mA ),
SH specifies the input signal high ( ie. 20 mA ), S specifies the current input
SH specifies the input signal high ( ie. 20 mA ), S specifies the current input
signal value, the conversion curve of the process value is shown as follows :
signal value, the conversion curve of the process value is shown as follows :
process value
IN1H
V1
IN1L
Formula : PV1 = IN1L + ( IN1H IN1L )
Formula : PV1 = IN1L + ( IN1H IN1L )
Example : A 4-20 mA current loop pressure transducer with range 0 - 15 kg/cm
Example : A 4-20 mA current loop pressure transducer with range 0 - 15 kg/cm
is connected to input 1, then perform the following setup :
is connected to input 1, then perform the following setup :
IN1 = 4 - 20
IN1 = 4 - 20
IN1U = PU
IN1U = PU
DP1 = 1-DP
DP1 = 1-DP
Of course, you may select other value for DP1 to alter the resolution.
Of course, you may select other value for DP1 to alter the resolution.
3 2 OUT1 & OUT2 Types
3 2 OUT1 & OUT2 Types
O1TY : Selects the signal type for Output 1.
O1TY : Selects the signal type for Output 1.
The selection should be consistent with the output 1 module installed.
The selection should be consistent with the output 1 module installed.
The available output 1 signal types are :
The available output 1 signal types are :
RELY : Mechanical relay
RELY : Mechanical relay
SSRD : Pulsed voltage output to drive SSR
SSRD : Pulsed voltage output to drive SSR
SSR
SSR
: Isolated zero-switching solid state relay
: Isolated zero-switching solid state relay
4 - 20 : 4 - 20 mA linear current output
4 - 20 : 4 - 20 mA linear current output
0 - 20 : 0 - 20 mA linear current output
0 - 20 : 0 - 20 mA linear current output
0 - 1 V : 0 - 1 V linear voltage output
0 - 1 V : 0 - 1 V linear voltage output
0 - 5 V : 0 - 5 V linear voltage output
0 - 5 V : 0 - 5 V linear voltage output
1 - 5 V : 1 - 5 V linear voltage output
1 - 5 V : 1 - 5 V linear voltage output
0 - 10V : 0 - 10 V linear voltage output
0 - 10V : 0 - 10 V linear voltage output
O2TY : Selects the signal type for Output 2
O2TY : Selects the signal type for Output 2
The selection should be consistent with the output 2 module installed.
The selection should be consistent with the output 2 module installed.
The available output 2 signal types are the same as for O1TY.
The available output 2 signal types are the same as for O1TY.
The range for linear current or voltage may not be very accurate. For 0 % output,
The range for linear current or voltage may not be very accurate. For 0 % output,
the value for 4 - 20 mA may be 3.8 mA to 4 mA; while for 100 % output, the value
the value for 4 - 20 mA may be 3.8 mA to 4 mA; while for 100 % output, the value
for 4 - 20 mA may be 20 mA to 21 mA. However, this deviation will not degrade
for 4 - 20 mA may be 20 mA to 21 mA. However, this deviation will not degrade
the control performance at all.
the control performance at all.
input signal
SL
S
SH
S SL
S SL
SH
SH
SL
SL
IN1L = 0.0
IN1L = 0.0
IN1H = 15.0
IN1H = 15.0
UM25001C
IN1L
IN1H
Figure 3.1 Conversion Curve for
Figure 3.1 Conversion Curve for
Linear Type Process Value
Linear Type Process Value
2
O1TY
O2TY
41
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