User manual

Installation
2-10
SIMATIC 505–2557 Installation and Operation Guide
Wiring the Input connectors (continued)
Ground at One End Only
Figure 2-5 Wiring Diagram for 2, 3, or 4 W ir e R TD
NOTE: For proper operation, ensure that the SIMA TIC 505–2557 is not
subjected to large temperature gradients during operation.