Designed for Master or Follower speed control applications, these two products from Contrex offer precise control in a convenient package. M-Trim -- Universal controller that adds precision to AC Inverters / Vectors / DC Regens. M-Drive -- Controller with built-in DC Drive (2HP), requires no external drive or amplifier.

· Pre-Programmed... no code to write.

· Operator Interface for setup & monitoring.

· Speed or Speed Ratio.

· Zero cumulative error in Follower mode

· Optional Analog Card

The M-Trim and M-Drive products have many more features, including easy to see LED numerical display, pre-loaded algorithms for Master, Follower, or Follower with Offset. On-the-fly re-configuration and setpoints changes via 4 set-points and 2 user-defined configuration blocks. Optional analog card accommodates signals from line speed, flow, tension, PLC or dancer position sensors. The precision control loops utilize many types of encoder signals, including magnetic pick-ups, or open collector encoders and prox switches.