GE RSTi-EP - Page 266

Chapter 5 Detailed Descriptions of I/O Modules
GFK-2958E RSTi-EP User Manual 262
Diagnostic Data EP-3468
Name
Bytes
Bit
Description
Default
Channel 0 error
to
Channel 7 error
0
0
Parameter Error
0
1
Overload
0
2
Reserved
0
3
Fuse blown
0
4
Line break
0
5
Reserved
0
6
Lower limit exceeded
0
7
Upper limit exceeded
0
Channel 8 error
to
Channel 31 error
19 - 42
0 - 7
Reserved
0
Time stamp
43-46
Time stamp [μs] (32 bit)
Measurement Range EP-3468
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
The following applies for all ranges:
input value > overload range = 0x7FFF
input value < underload range = 0x8000