102
SPAN-SE User Manual Rev 1
Appendix B
Commands
B.4.7
EVENTOUTCONTROL
Control PPS signal properties
This command controls up to three Event-Out output triggers (PPS signal properties). See also
3.10, Synchronizing External Equipment
The
EVENTOUTCONTROL MARK1 ENABLE POSITIVE 10000000 240000000
command will generate a 4 Hz signal. The signal is held high for 10 ms during each cycle and the
leading edge of the high signal is aligned to the 1PPS.
Abbreviated ASCII Syntax:
Message ID: 613
EVENTOUTCONTROL mark switch [polarity] [active period] [non-active period
]
Abbreviated ASCII Example:
EVENTOUTCONTROL MARK3 ENABLE
Field
Field
Type
ASCII
Value
Binary
Value
Description
Binary
Format
Binary
Bytes
Binary
Offset
1
header
-
-
This field contains the
command name or the
message header depending on
whether the command is
abbreviated ASCII, ASCII or
binary, respectively.
-
H
0
2
mark
MARK1
0
Choose which Event-Out
mark to use
Enum
4
H
MARK2
1
MARK3
2
3
switch
DISABLE
0
Disables Event output
Enum
4
H+4
ENABLE
1
4
polarity NEGATIVE 0
Negative polarity (default)
Enum
4
H+8
POSITIVE
1
Positive polarity
5
active
period
Active period of the Event Out
signal in nanoseconds:
default
= 500 000 000
minimum = 1000
maximum = 999 999 000
Ulong
4
H+12
6
not-
active
period
Not-active period of the Event
Out signal in nanoseconds:
default
= 500 000 000
minimum = 1000
maximum = 999 999 000
Ulong
4
H+16
