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Product Description XI/ON - Eaton Automation

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<strong>XI</strong>/<strong>ON</strong>: Gateways for Modbus TCP 7 Guidelines for Station Planning<br />

7.2.2 Creating Potential Groups<br />

Figure 67:<br />

Example for<br />

creating potential<br />

groups<br />

Bus Refreshing and Power Feeding modules can be used to create<br />

potential groups. The potential isolation of potential groups to the<br />

left of the respective power distribution modules is provided by the<br />

base modules.<br />

Attention<br />

Ensure that the correct base modules are planned for when using<br />

Bus Refreshing modules.<br />

+ –<br />

Field<br />

supply<br />

10/100 MBit<br />

+ - + -<br />

+ –<br />

System supply<br />

2 DI<br />

NO AI<br />

Potential group 1<br />

2 DO 2 DI PF 2 DO<br />

Note<br />

The system can be supplied with power independent of the potential<br />

group formation described above.<br />

M001973-01, 07/2007 157<br />

14<br />

24<br />

2L+ 2L-<br />

AI 2 DI NO<br />

11 21 11 21 11 21 21 11 21 11 21 11 21 11 21 11 21 11 21<br />

12 22 12 22 12 22 12 22 12 22 12 22 12 22 12 22 12 22 12 22<br />

13 23 13 23 13 23 13 23 13 23 13 23 13 23 13 23 13 23 13 23<br />

14 24 14 24 14 24<br />

14 24 14 24 14 24<br />

Potential group 2<br />

TS

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