FM x51 Positioning This section contains information on the following topics:ABS_INIT (S7-300, S7-400)ABS_CTRL (S7-300, S7-400)ABS_DIAG (S7-300, S7-400)ABS_CTRL_451 (S7-300, S7-400)ABS_DIAG_451 (S7-300, S7-400)Additional references for FM x51 ABS V1 (S7-300, S7-400)