Wiring the Input connectors (continued)

Earth Ground

Figure 2-7 Cable Grounding

NOTE: The SIMATIC 505±2557 is isolated channel group to channel group. Each group consist of 2 input channels. Shields within a channel group may be terminated together at either G terminal. Siemens recommends that the shield wire be soldered or crimped to the wire connected to the G terminal.

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Installation

SIMATIC 505±2557 Installation and Operation Guide

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Siemens 505-2557 installation and operation guide Cable Grounding