LEM is obsolete and no longer available. Replacement parts are no longer available, including the readheads, decoder boards DB1A and the calibration kits.
LEM Error Codes [PDF IN PARKER COMMUNITY]
LEM1 was 5um resolution with a maximum speed of 5m/sec. It was used with the 110, 210 and 310 motors.
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Note that the ML50 uses the MLX-HED-R-x where x is the cable length in meters. The cable exit can be changed from one side or the other by undoing the screws through the top of the module and reversing the cable exit.
Related FAQs: