GE RSTi-EP - Packed Process Data

Chapter 4 Detailed Descriptions of the Fieldbus Network Adapters
GFK-2958E RSTi-EP User Manual 85
EP-5442
2 Channels PWM Output, Positive Logic, 24VDC, 2 A
Power Feed Modules for Input Current Path
EP-7631
Power Module, 1 Channel 24VDC Input Flow 10A
Power Feed Modules for Output Current Path
EP-7641
Power Module, 1 Channel 24VDC Output Flow 10A
Safe Feed-input Modules
EP-1901
1 Safe Feed-Input, 24 VDC
EP-1902
2 Safe Feed-Inputs, 24 VDC, Programmable Delay
EP-1922
2 Safe Feed-Inputs, 24 VDC
Potential Distribution Modules
EP-711F
Power Module, 16 Channels 24VDC Potential Distribution +24 VDC from Input Current Path
EP-751F
Power Module, 16 Channels 24VDC Potential Distribution +24 VDC from Output Current Path
EP-700F
Power Module, 16 Channels 24VDC Potential Distribution Functional Earth
EP-710F
Power Module, 16 Channels 24VDC Potential Distribution +0VDC from Input Current Path
EP-750F
Power Module, 16 Channels 24VDC Potential Distribution +0VDC from Output Current Path
4.4.5 Packed Process Data
Packed input process data
Input register range: 0x0000 to 0x01FF
Note: Access to all 512 registers is always possible regardless of the I/O structure. Unused registers
respond with “0”.
Packed output process data
Output register range: 0x0800 to 0x09FF
Note: Access to all 512 registers is always possible regardless of the I/O structure. Unused registers
send “0” during a read access, write accesses are ignored.
Structure of packed process data
The byte granularly packed process data contains all input data (register range 0x0000 to 0x01FF)
and output data (register range 0x0800 to 0x09FF) of the RSTi-EP station.
Note: The start address(es) of each module’s process data are listed in register 0x2B00 – 0x2B7F
(refer to the section 0x2B00 – 0x2B7F Module offsets of process data).
Note: Process data is mapped according to how the modules are arranged. To avoid larger gaps in
the process data, the different modules should be arranged in an optimal manner.
Example of an Optimal Module Arrangement
Product
Input
data
Output
data
Number of
input
registers
Number
of output
registers
Remarks
EPXMBE001/EPXMBE101
0
0
EP-4164
--
4 words
0
4
allocated 4 registers
EP-3164
4 words
--
4
0
allocated 4 registers
EP-1214
1 Byte
--
1
0
allocated 1/2 register low byte (1 byte)
EP-1214
1 Byte
--
0
0
allocated 1/2 register high byte (1 byte)
EP-125F
2 Byte
1
allocated 1 register