GE RSTi-EP - Page 271

Chapter 5 Detailed Descriptions of I/O Modules
GFK-2958E RSTi-EP User Manual 267
Process Data
†
Inputs EP-4164
Byte
Format
Description
Remarks
QB0
Word
AO0
QB1
QB2
Word
AO1
QB3
QB4
Word
AO2
QB5
QB6
Word
AO3
QB7
†
Internal process data mapping with data format “Standard”. Depending on the fieldbus specification and the data
format of the communicating fieldbus components the bytes and/or words can be reversed during data transfer.
Value Range
†
EP-4164
Measurement
range
Current (I) /
Voltage (U)
Decimal (D)
Hexadecimal
Range
Conversion
0 – 20 mA
23.52 mA
32511
0x7EFF
Overloading
D = 27648 x I / 20
I = D x 20 / 27648
20 mA
27648
0x6C00
Nominal range
10 mA
13824
0x3600
0 mA
0
0x0000
4 – 20 mA
22.81 mA
32511
0x7EFF
Overloading
D = 27648 x (I – 4) / 16
I= D x 16 / 27648 + 4
20 mA
27648
0x6C00
Nominal range
12 mA
13824
0x3600
4 mA
0
0x0000
1.19 mA
-4864
0xED00
Underloading
0 – 10 V
11.76 V
32511
0x7EFFh
Overloading
D = 27648 x U/10
I = D x 10 / 27648
10 V
27648
0x6C00
Nominal range
5 V
13824
0x3600
0 V
0
0x0000
0 V
0
0x0000
±10 V
11.76 V
32511
0x7EFF
Overloading
D = 27648 x U / 10
U = D x 10 / 27648
10 V
27648
0x6C00
Nominal range
5 V
13824
0x3600
0 V
0
0x0000
-5 V
-13824
0xCA00
-10 V
-27648
0x9400
-11.76 V
-32511
0x8100
Underloading
2 - 10 V
11.41 V
32511
0x7EFF
Overloading
D = 27648 x (U – 2) / 8
U = D x 8 / 27648 + 2
10 V
27648
0x6C00
Nominal range
6 V
13824
0x3600
2 V
0
0x0000
0.59 V
-4864
0xED00
Underloading