ABB Switzerland Ltd REG 316*4 1MRB520049-Uen / Rev. E
9-10
M29:
Write: NAK.
Read: returns the number of lines in a record (0...1023). A
line contains 26 Byte of data. 0 is returned if a rec-
ord has not been selected (M28).
M30:
Write: WM30:n moves the pointer to the line to be trans-
ferred. The pointer is automatically incremented by
one every time a line is transferred until there are
no lines left. The pointer is set to 1 at the com-
mencement of data transfer (WM28:n).
Read: RM30 returns the number of the line that was
transferred last.
M31:
Write: NAK.
Read: RM31 transfers the line indicated by the pointer.
V16:
Write: WV16:1, WV16:0, deletes the oldest record.
Read: RV16 returns the status of the disturbance re-
corder.
0: Disturbance recorder not full.
1: Disturbance recorder full.
V20:
Write: WV20:0 terminates data transfer.
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