EDC Programmer’s Reference
Rev 007, 04/12 43
© SP Scientific 2012
PARITY? {F039}
Query the parity setting of the communication link. 0 = no parity, 1 = odd, 2 =
even.
PF= / PF? {F040}
Set or query the selection of the automatic power recovery algorithm. 0 =
disabled, 1 = enabled.
PLOCK= / PLOCK? {F041}
Set or query the status of the parameter lockout feature of the control panel. If
set to 1, menu values may not be changed from the control panel while the
system is running, even if the unit is in "local" operation. If set to 0, the system
may be fully programmed from the control panel at any time if the unit is in
"local". If PLOCK has been set to 1, system operating parameters may only
be changed from the control panel if the unit is first turned off (STOP).
POLL
A non-operative command that may be used to test or synchronize the
communications interface.
PT? {F043}
Query the current process temperature (as defined by the control point
CTLREM).
PTLOC? {F044}
Query the current local process temperature (per the internal sensor).
PTREM? {F045}
Query the current remote process temperature (per the remote sensor).
PUMP? {F046}
Query the status of the circulating pump. 0 = off, -1 = on.
PUMPSW= / PUMPSW? {F047}
Set or query the state of the pump switch. 0 = (turn) off, -1 = (turn) on.
RAMZERO (Not Yet Implemented)
Command to zero out the microprocessor memory for restart of a "dead" unit.
READY? {F077}
Query state of process ready-determination stability algorithm (0 = not
ready/stable, 1= ready/stable) per program values SP, WINDOW, and
WINTIME.
REFR? {F050}
Query state of refrigeration. Returned 0 = off, 1 = 1st stage on, 2 = 2nd stage
on (if cascade system).
REFRHRS? {F078}
Query running hours of system refrigeration.
REFRSW= / REFRSW? {F051}
Set or query state of refrigeration switch. 0 = off, -1 = on.
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