Control/Status Byte; Table 28: Status Byte S0, All Versions, Except 750-637/000-004 - WAGO 750-637 Series Manual

WAGO I/O System 750
750-637 Incremental Encoder Interfaces
4.1

Control/Status Byte

Table 28: Status Byte S0, All Versions, Except 750-637/000-004

Bit 7
0
LATC_VAL
LAT_EXT_VAL
CNT-SET_ACK
UNDERFLOW
OVERFLOW
AckSet LoadExt
X
0
Status Byte S0
Bit 6 Bit 5 Bit 4
X AckSet OVER-
LoadExt FLOW
Ack Bit for EN-LATC (C0.0)
This bit is set on a positive edge at input C
Latch Mode:
Reset is carried out when EN_LATC is reset
This bit is set on a positive edge at input C
Preload Mode:
Reset is carried out when EN_LATC is reset
Ack Bit for EN-LAT_EXT (C0.1)
This bit is set on a positive edge at the Latch input
Latch Mode:
Reset is carried out when EN_LAT_EXT is reset
This bit is set on a positive edge at the Latch input
Preload Mode:
Reset is carried out when EN_LAT_EXT is reset
Ack Bit for CNT_SET (C0.2)
− Reset is carried out when CNT_SET=0.
UNDERFLOW
1: On counter underflow from 0x00000000 to 0xffffffff
When counter value < 0xAAAAAAAA
0: With a positive edge for ResetUnderflow (C0.3)
When OVERFLOW=1
OVERFLOW
1: On counter overflow from 0xffffffff to 0x00000000
When counter value < 0x55555555
0: With a positive edge for ResetOverflow (C0.4)
When UNDERFLOW=1
Ack Bit for SetLoadExt
− Reset is carried out when SetLoadExt=0 (C0.5)
Reserved
Reserved
Public
Process Image
Bit 3 Bit 2
UNDER- CNT-SET_
FLOW ACK
37
Bit 1 Bit 0
LAT_ LATC_
EXT_ VAL
VAL
Manual
Version 1.6.1