RPOC Field devices
• In order for the RPOC to function correctly, 2 field devices must be installed:
– Dual Position Sensor:
• Provides real-time stroke position to the RPOC
• The position of the horse-head is translated into the position of the plunger in the pump
• Installed on the walking beam, right above the pivoting point
– Polished Road Load cell
• Provides real-time rod load to the RPOC
• Available in 30,000 lbs and 50,000 lbs ratings
• Installed in the polished rod, between the bridle and rod clamp