Product Description:

The 502-03846-00R4 controller card belongs to the PIC900 Drives series manufactured by Kollmorgen, and it coordinates motion and I/O tasks inside multi-axis automation cells. It occupies a 61 mm width, 213 mm depth, and 305 mm height within the rack, accepting field power through a three-terminal plug positioned on its faceplate. Integrated +5 V, +15 V, and –15 V rails feed encoders, sensors, and communication daughterboards residing on the same backplane, allowing the unit to distribute local DC power while supervising each drive in the system.

At its core, a CMOS processor clocked at 8 MHz executes the PICPRO firmware. Program code resides in 128K of application memory, and transient variables are stored in 64K of battery-backed RAM so data can withstand power interruptions. A dedicated PICPRO service port that follows the RS232 standard handles program loading and diagnostics without tying up the fieldbus. The board supplies up to 40 W of auxiliary power, allocating 5.0 A on the +5 V rail, 2.0 A on the +15 V rail, and maintaining a separate negative rail for analog circuitry. These outputs let the controller energize opto-isolated inputs, incremental encoders, and reference potentiometers directly, eliminating the need for external power sources.

For nonvolatile storage of recipes and calibration tables, the module provides 32K of user memory isolated from program space. A replaceable lithium cell rated at 3 V and 1.2 Ah sustains this memory and the real-time clock, whose drift remains within ±1 s/day at 25 °C to keep time-stamped events consistent across networked drives. The –15 V rail furnishes 0.5 A to balanced analog sensors, completing the trio of onboard power outputs and preserving symmetrical reference voltages required by closed-loop control circuits.