Kollmorgen AKT-ENC-000-000, Installation Manual

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I/O Terminal / MANUAL CONFIGURATION
5.2.2 Status Byte in Process Data Transfer
The status byte is transferred from the terminal to the controller. The status byte contains various
status bits of the AKT-ENC-000-000.
7 6 5 4 3 2 1 0 Bit
name
REG = 0 - State_Input Overflow Underflow Cnt_Set_
Acc
Latch_Ext
_Val/RD_
Period_Q
Latch_Val
Bit Name
5 State_Input The state of the Status input is mapped
in this Bit (adjustable via feature
register)
4 Overflow This bit is set if an overflow (65535 to 0)
of the 16-bit counter occurs. It is reset
when the counter exceeds a third of the
measurement range (21845 to 21846)
or as soon as an underflow occurs.
3 Underflow This bit is set if an underflow (0 to
65535) of the 16-bit counter occurs. It is
reset when the counter drops below two
thirds of the measurement range
(43690 to 43689) or as soon as an
overflow occurs.
2 CntSet_Acc The data for setting the counter has
been accepted by the terminal.
RD_Period_Q The data bytes 2, 3, 4 contain the
period time 1
Latch_Ext_Val An external latch pulse has occurred.
The data D2,D3 in the process image
corresponds to the latched value when
the bit is set. To activate the latch input
again, En_Latch_Ext must first be
removed and then set again.
0 Latch_Val A zero point latch has occurred. The
data D2, D3 in the process image
corresponds to the latched value when
the bit is set. To activate the latch input
again, En_Latch must first be removed
and then set again.
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