Rockwell Automation Allen-Bradley AADvance T9110 - Triple Modular Redundant Architecture

Rockwell Automation Publication ICSTT-RM448M-EN-P - February 2021 79
Chapter 5 Install the AADvance System
24 Vdc Power Connectors
For each power supply connection, do the following:
• Connect the negative line from the power supply, typically labeled '0 V',
to the left-hand terminal.
• Connect the positive line from the power supply, typically labeled '+24 V',
to the right-hand terminal.
• Apply a minimum tightening torque of 0.5 Nm (0.37 ft. lb.) to the
terminal screws.
Procedure to Connect Serial
Communications Cabling
The serial ports (S1-1 and S1-2; S2-1 and S2-2; S3-1 and S3-2) support the
following signal modes depending on use:
IMPORTANT
Make sure that PWR-1 and PWR-2 are supplied from independent
24 Vdc sources.