Emerson PACSystems RSTi-EP User Manual page 3

User Manual
GFK-2958J
Contents
Power Supply Concept ............................................................................ 20
3.2 Clearances ......................................................................................................... 21
Calculation of Space Requirements ......................................................... 23
3.3 Use in a Potentially Explosive Atmosphere ......................................................... 23
ATEX & IECEx Marking ............................................................................. 24
3.4 Spring-Style System Cabling .............................................................................. 24
3.5 Current Demand and Power Supply ................................................................... 24
Power Supply Derating ............................................................................ 24
3.6 Example Calculation for the Power Supply ......................................................... 26
Calculation of the Current Demand for the Input Current ................................... 26
Calculation of the Current Demand for the Output Current ................................ 27
3.7 Example Calculation for the Current Demand (all Current Values in Amps) ......... 28
Calculation of Power Loss ........................................................................ 29
Calculation of Power Loss for Use in a Potentially Explosive Atmosphere .. 29
3.8 Feedback Energy in DO Modules ........................................................................ 30
Calculation of Feedback Energy ............................................................... 30
3.9 Parameter Overview .......................................................................................... 31
Modifiable Parameters for Network Adaptors .......................................... 31
3.10 Data Width of I/O Module, Dependent on the Network Adapter Used ................ 44
EPXPBS001 .............................................................................................. 44
EPXPNS001/EPXPNS101 .......................................................................... 46
EPXETC001 ............................................................................................. 47
Detailed Descriptions of the Fieldbus Network Adapters
50
4.1 Profibus DP Network Adapter EPXPBS001 .......................................................... 50
LEDs ........................................................................................................ 51
Addressing .............................................................................................. 52
Connection Diagrams .............................................................................. 53
Specifications: EPXPBS001 ...................................................................... 54
Supported Modules and Power Supplies .................................................. 56
4.2 PROFINET IRT/RT Network Adapter EPXPNS001/EPXPNS101 ............................. 57
LEDs ........................................................................................................ 58
Connection Diagrams .............................................................................. 60
Specification: EPXPNS001/EPXPNS101 .................................................... 61
Modifiable Parameters: EPXPNS001/EPXPNS101 ..................................... 63
Network Adaptor Input Status Data ......................................................... 63
Contents
Oct 2019
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