Martel Electronics DPC300A - Manual (Page 40)

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PUMP_LIMIT
Sets the approximate pressure in psi at which the pump will turn
off.
For example:
PUMP_LIMIT 50 sets the approximate value that the pump
will shutoff at to 50 psi
PUMP_LIMIT?
Returns the pump limit. Using the above example, PUMP_LIMIT?
Would return:
50.000
REMOTE
Puts the calibrator in remote mode. From the remote mode the
user can still use the keypad to get back to local unless the
command LOCKOUT was entered before REMOTE. Then the
keypad is totally locked out, and the user has to send the LOCAL
command to get back to local operation.
SIM
Sets the output for current simulation. This command also
switches the calibrator into mA simulation mode. A number and
a unit must be entered after the command.
For example:
SIM 5 MA sets the current simulation at 5 mA
SIM?
Returns the output of the current simulation. With the example
above, the output would be: 5.000000E-03, A
ST_START
Starts a switch test.
ST_CLOSE?
Returns the pressure that the switch closed at in the current
pressure units.