AH500 Module Manual
9-22
Information elements
Single command
SCO: CP8{SCS, BS1, QU, S/E}
bit 8 7 6 5 4 3 2 1
S/E QU RES SCS
SCS: Single command state
Description 0: OFF
1: ON
QU:
Qualifier for the commands
Description 0: Unspecified
1: Short pulse
2: Long pulse
3: Persistent output
4…8:Reserved for standard definitions of companion standard (compatible
range)
9…15:Reserved for the selection of other predefined functions
16...31:Reserved for special use (private range)
S/E: Select/execute state
Description 0: Execute
1: Select
Double command
DCO:CP8{DCS, QU, S/E}
bit 8 7 6 5 4 3 2 1
S/E QU DCS
DCS: Double command state
Description 0: Indeterminate
1: OFF
2: ON
3: Indeterminate
Refer to the SCO section for more details on S/E and QU.
Regulating step command
RCO: CP8{RCS, QU, S/E}
bit 8 7 6 5 4 3 2 1
S/E QU RCS
RCS:
Status information of the step command
Description 0: Not allowed
1: Step decrement
2: Step increment
3: Not allowed
Refer to the SCO section for more details on S/E and QU.