Martel-electronics DPC300A Manuale Utente

DPC300A Reference Manual

82.1.2 Main Menu FunctionalityThere are three options on the Menu, CONFIG, {Active Display} and MORE. The Main Menu is home for the menu display.2.1.

9Table 4 Mode ConcurrencyActive DisplayP[1] [EXT] P[1] ST[EXT]STmA mA LoopVolts P[1] X X X X X X X[EXT] X X X X X X XP[1]

1010arrow keys (F2 and F3 Keys). The sensor port should be open (vented) to atmosphere while performing this procedure.2.4 Other Menu Controlled Funct

1111Max Menu, Contrast Adjustment menus and the Configuration Lock Menu. When the UNLOCK CFG option is chosen the configuration is unlocked and the m

12 Figure 4 Menu Map12

1313If SAVE or RECALL is selected use the arrow keys to select the set-up location. Then use the save option to store the current set-up into the sel

14Use the DONE option to save the changes and return home. When a display is deactivated its configuration is retained. When the display is activate

153. Set the pressure/vacuum selection knob to the desired function (+ for pressure and - for vacuum).4. Close the vent knob.5. Press the pump key a

16164.2 Measuring pressure with external modulesThe calibrator has a digital interface for external pressure modules. These modules are available for

17173. This selection can only be made in the lower display. Also, in source mode, the calibrator will generate 0 ... 24 mA using its own internal 24

DPC300A Reference Manual1. Introduction ... 11.1 Customer Service ...11.

1818Note: The display will indicate "OL" when the measured voltage exceeds the nominal range of voltage measurement (30 V).PUMPTest ItemUp t

19195. Apply pressure with the pump slowly until the switch opens.Note: In the switch test mode the display update rate is increased to help capture c

2020 9. Select the "NEW TEST" option to clear the data and perform another test.10. Select the "DONE" option to end the test

214.6.2 Calibrating a pressure-to-current transmitterTo calibrate a pressure-to-current transmitter (P/I), perform the following:1. Connect the calibr

2222REGULATORMAX 120 PSIAIR SUPPLY0-100 PSIOUTPUT-12-300 PSIPUMP-12-300 PSIMEASUREFINE ADJUST / VENTPUMPSELECTORMAINSELECTOR WARNING:VENT BEFORE SELEC

2323Example:Suppose a pressure transmitter under test has a full scale range of 2 bar and gives a corresponding 4 ... 20 mA output signal. The user ca

24245. Use "SELECT" to scroll through the "UNIT" options, and select "NEXT" to move on.6. Use the arrow keys to set th

25255. Minimum and Maximum Storage CapabilityThe 300 Series Pressure Calibrators have a min/max feature for capturing the minimum and maximum values o

266. Remote Operation6.1 Remote InterfaceThe calibrator can be remotely controlled using a PC terminal, or by a computer program running the calibrat

27from most office supply and computer stores. To connect the calibrator to the computer, attach the LEMO connector end of the cable to the pressure m

11. IntroductionThe DPC-300A is a high accuracy portable pressure source that can accurately source pressure from internal and external pressure suppl

28286.4 Using Commands6.4.1 Command typesRefer to the Section 10.5 on Remote Commands for all available commands. The calibrator may be controlled usi

29• Data is taken as 7-bit ASCII• The most significant data bit is ignored.• Upper or lower case is acceptable.6.4.3 Response Data TypesThe data retur

306.5 Remote Commands and Error CodesThe following tables list all commands, and their descriptions, that are accepted by the calibrator. Table 5: Com

31LOCKOUT Locks out the keypad of the calibrator in remote operation LO_ERR Sets the 0% of span limit for percent error mode LO_ERR Returns the

32PERCENT PercentP1 P1 pressure measurement functionST_P1 Switchtest mode with P1ST_EXT Switchtest mode with external moduleSOURCE Source stateSIM Sim

336.6.1 Common Commands*CLSClears the error queue. Also terminates all pending operations. When writing programs, use before each procedure to avoid b

3434 For example, if a value for current output is entered that is bigger than the supported range (0-24mA) FAULT? Would return: 103 which is the

35 ERROR _ PORT? Returns the current pressure port for percent error mode. For example: If you send ERROR _PORT?, it will return P1 if the pre

36 HI_ERR? Returns the 100% point for the percent error mode calculation. For example: If the 100% point is set to 100 psi, HI_ERR? would

37 LO_ERR? Returns the 0% point for the percent error mode calculation. For example: If the 0% point is set to 20 psi, LO_ERR? would retu

21.3 Safety information Symbols UsedThe following table lists the International Electrical Symbols. Some or all of these symbols may be used on the in

38 PUMP_LIMIT Sets the approximate pressure in psi at which the pump will turn off. For example: PUMP_LIMIT 50 sets the approximate value tha

39 ST_OPEN? Returns the pressure that the switch opened at in the current pressure units. ST_DEAD? Returns deadband of the switch in the current

407. Specifications (15 °C to 35 °C unless otherwise noted.)GeneralInstrument Setup Recall 5; last used on power-upEnvironmental Operating Tempera

418. WarrantyMartel Electronics Corporation warrants all products against material defects and workmanship for a period of twelve (12) months after th

42 Ranges and Resolutions Range (PSI) 300 PSI / 20 Bar Burst Pressure (PSI) 2000 Proof Pressure (PSI) 600 Engineering Unit Factor Psi 1 300.00 bar 0.

0220022 Rev B 4/13www.martelcorp.come-mail: [email protected]: (603) 434-1433 800-821-0023 Fax: (603) 434-1653 Martel Electronics 3

33The following definitions apply to the terms “Warning” and “Caution”.• “Warning” identifies conditions and actions that may pose hazards to the us

4• When servicing the calibrator, use only specified replacement parts.• To avoid false readings, which could lead to possible electric shock or pers

52. Calibrator Interface Figure 1 shows the location of the pressure controls, connection port and electrical inputs.Figure: external pressure supplyR

66Figures 2A and 2B show the location of the keys. Table 2 describes the function of each key.Figure 2A Keypad Table 2 Key FunctionsNo. Name Descrip

72.1 Calibrator DisplayThe Calibrator Display consists of two regions: The menu bar (located along the bottom of the screen) is used to access a menu