Emerson PACSystems RSTi-EP - Process Data† Inputs EP-3264; Measurement Range EP-3264

User Manual Section 5
GFK-2958L May 2021
Detailed Description of I/O Modules 310
Name
Bytes
Bit
Description
Default
Channel 4 error
to
Channel 31 error
15 - 42
0 - 7
Reserved
0
Time stamp
43-46
Time stamp [
μ
s] (32-bit)
5.25.6 Process Data† Inputs EP-3264
Byte
Format
Description
Remarks
IB0
Word
AI0
IB1
IB2
Word
AI1
IB3
IB4
Word
AI2
IB5
IB6
Word
AI3
IB7
†
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
5.25.7 Measurement Range EP-3264
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