User manual

Section 13: Instrument Control Library (ICL) Series 3700 System Switch/Multimeter Reference Manual
13-228 3700S-901-01 Rev. C / July 2008
ptp.portstate
Remarks
ptp.INITIALIZING (0)
ptp.FAULTY (1)
ptp.DISABLE (2)
ptp.LISTENING (3)
ptp.PRE_MASTER (4)
ptp.MASTER (5)
ptp.PASSIVE (6)
ptp.UNCALIBRATED (7)
ptp.SLAVE (8)
ptp.UNKNOWN (9)
Example
print(ptp.portstate)
ptp.preferredmaster.enable()
Function
Indicates to 1588 if this unit wants to be a master (if all other qualifiers are equal).
NOTE: This value is not persisted through a power cycle.
Usage
ptp.preferredmaster.enable [0|1|ptp.ON|ptp.OFF]
ptp.ON (1)
ptp.OFF (0)
Example
ptp.preferredmaster.enable=1
print(ptp.preferredmaster.enable)
ptp.subdomain
Attribute
Only instruments in the same subdomain will interact with each other (from a 1588
point of view).
Usage
ptp.subdomain = [any 5 character identifier]
subdomain: a qualifier used to group instruments together. The default setting is
_DFLT.
Remarks
ptp.subdomain does not take effect until 1588 is restarted (generally using a power
cycle).
Example
ptp.subdomain='_DFLT'
print(ptp.subdomain)
ptp.synchronized
Attribute
Read-only value that indicates if the 1588 engine is in MASTER or SLAVE state. It
does NOT indicate the PLL is settled.
Usage
ptp.synchronized
Example
print(ptp.synchronized)