WAGO-I/O-SYSTEM 750
Process Image
65
750-494 3-Phase Power Measurement Module
Manual
Version 1.2.0
A. User Scaling OFF, Measurement without Current Transformer
Current
1A-varints
5A-variants
Register 32,
bits 12 … 14
0
0
Register 39 … 41
(D-CTR)
0x0001 (1)
0x0001 (1)
Process value
0x000010A9 (4250)
0x00002062 (8290)
Scaling factor PI
0.0001A
0.0005A
Equation
Measured value = Process value x Scaling factor PI
Measured value
0.425 A
4.145 A
Active Power
1A-varints
5A-variants
Register 32,
bits 12 … 14
0
0
Register 39 … 41
(D-CTR)
0x0001 (1)
0x0001 (1)
Process value
0x00002639 (9785)
0xFFFFC618 (-14824)
Scaling factor PI
0.01W
0.05W
Equation
Measured value = Process value x Scaling factor PI
Measured value
97.85 W
-741.20 W
Active Energy
1A-varints
5A-variants
Register 32,
bits 12 … 14
0
0
Register 39 … 41
(D-CTR)
0x0001 (1)
0x0001 (1)
Register 35*
1
3
Process value
0x000022ED (8941)
0x00001126 (4390)
Scaling factor PI
0.01Wh
5Wh
Equation
Measured value = Process value x Scaling factor PI
Measured value
89.41 Wh
21950 Wh
* Register 35: The set value defines the scaling factor PI for energy values.
B. User Scaling ON, Measurement with Current Transformer
Current
1A-varints
5A-variants
Register 32,
bits 12 … 14
1
1
Register 39 … 41
(D-CTR)
0x002D (45)
0x0028 (40)
Process value
0x0005E250 (385616) 0x0003C9D1 (248273)
Scaling factor PI
0.0001A
0.0005A
Equation
Measured value = Process value x Scaling factor PI
Measured value
38.562 A
124.137 A