Eaton OPTCB RS-485 User Manual

Contents

Siemens APOGEE™ FLN (P1) Communication KitMN04008002E For more information visit: www.EatonElectrical.com 3-1February 2006Chapter 3 — InstallationMaking the Ground ConnectionGrounding by Clamping the Cable to the Drive FrameThis method of grounding is the most effective, and especially recommended when thedistances between the devices are relatively short or if the device is the last device on thenetwork.Note: Normally, the option board has already been installed in slot E of the control board. It isnot necessary to detach the whole board to ground the bus cable shield. Just detachthe terminal block.1. Strip about 2 in. (5 cm) from the cables (shown at the left of Figure 3-1), and cut off thegray cable shield.Note: Do this for both communication cables, except for the last device.2. Leave no more than 1/4 in. (1 cm) of each cable outside the terminal block, and strip theends of both cables (shown at the right of Figure 3-1) to about 0.2 in (0.5 cm) to fit in theterminals.Figure 3-1: Cable Stripping3. Insert the cables into Terminals 3 (Cable A) and 4 (Cable B). See Figure 3-2.Figure 3-2: Inserting the Data CablesA B3 4 521