Emerson PACSystems RSTi-EP User Manual

User Manual Section 5
GFK-2958L May 2021
Detailed Description of I/O Modules 347
5.31.5 Process Data
†
Outputs EP-4264
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
5.31.6 Value Range† EP-4264
Measurement
range
Current (I) /
Voltage (U)
Decimal (D)
Hexadecimal
Range
Conversion
0 – 20 mA
21.67 mA
29957
0x7505
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
21.67 mA
29957
0x7505
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
3.6 mA
-691
0XFD4D
Underloading
0 – 10 V
10.5V
29030
0x7166
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
±10 V
+10.5V
29030
0x7166
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
-10.5V
-29030
8E9A
Underloading
2 - 10 V
+10.5V
29376
0x72C0
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
1.8V
-691
0XFD4D
Underloading
1 - 5 V
5.25V
29376
0x72C0
Overloading
D = 27648 x (U – 1) / 4
U = (D x 4 / 27648) + 1
5 V
27648
0x6C00
Nominal range
3 V
13824
0x3600
1 V
0
0x0000
0.9 V
-691
0XFD4D
Underloading

Emerson PACSystems RSTi-EP Specifications

General

Brand	Emerson
Model	PACSystems RSTi-EP
Category	Controller
Language	English