Code PC050: IOLINK ER1 CHz:GRyy:xx

Section: PMC alarm list (1) Check whether instantaneous I/O Link. power interruption or changes in The symbol z indicates a channel voltage occurred in the slave unit number (1 to 3). of group number yy (0 to 15) The symbol yy indicates the group connected to the I/O link line of number (0 to 15) of the slave unit in channel number z (1 to 3). which a problem may be caused. (2) Check whether there is no failure The symbol xx indicates an internal error code. or no poor contact on the cable This alarm is issued if between JD1A of group number communication with the slave unit of yy-1 (0 to 15) and JD1B of group channel number z and group number number yy (0 to 15), which are yy is interrupted. The interruption connected to the I/O link line of may be caused by: channel number z (1 to 3). (1) Instantaneous power interruption, a change in voltage, (3) Check whether the slave unit of or a defective power cable in the group number yy (0 to 15) slave unit connected to the I/O Link line of (2) Defective communication cable channel number z (1 to 3) is not or poor contact defective. (3) Failure in the slave unit Group number yy indicated in this alarm may be incorrect depending on the state in which the alarm occurred, so the defective position may not always be identified. A communication error occurred in