DCM-09232022 - V 1.2
Dual Capacitance Manometer
Gauge Controller (DCM)
USER MANUAL
Model XGC-520 (P1010127)
Страница 1: ...DCM 09232022 V 1 2 Dual Capacitance Manometer Gauge Controller DCM USER MANUAL Model XGC 520 P1010127...
Страница 2: ...T BE LIABLE UNDER ANY CIRCUMSTANCES FOR INDIRECT SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES ARISING OUT OF THE USE OF THE PRODUCT THE TOTAL LIABILITY OF IDEAL VACUUM SHALL NOT EXCEED THE PURCHASE PRI...
Страница 3: ...11 1 11 RS 232 I O Relay Connector Pinouts DB15 11 2 Installation 12 2 1 Mount the Gauge 12 2 2 Electrical Connections 12 3 Operation 13 3 1 Principle of Capacitance Diaphragm Gauge Operation 13 3 2 N...
Страница 4: ...actory defaults 19 Table 7 Remote serial commands 25 LIST OF FIGURES Figure 1 Dimensional drawings 8 Figure 2 Rails for panel mounting 8 Figure 3 Front panel features 9 Figure 4 Back panel connectors...
Страница 5: ...he warnings and instructions may result in serious injury or equipment damage h h Keep this manual in a safe location for future reference h h This equipment should only be installed and operated by t...
Страница 6: ...setpoint is reached This flexibility allows the user to easily set up automated tasks such as valve activation or energizing a turbomolecular pump when an appropriate backing pump pressure is achieved...
Страница 7: ...power input wih 3A quick acting fuse DB9 F for sensor gauge s USB B for I O serial communications DB15 F RS 232 I O serial and relay outputs Serial Communications 9600 baud 8 N 1 no hardware handshak...
Страница 8: ...622 45mm x 92mm Maximum panel thickness is 3 8 10mm To mount the DCM in a panel unscrew the two 4 40 set screws at the back of the DCM Use a 0 050 hex wrench Slide the rails out of the slots Slide th...
Страница 9: ...Controls Table 2 Front panel feature descriptions ITEM No DESCRIPTION 1 Ideal Vacuum part number 2 Power on off button 3 Navigation buttons 4 Select enter button 5 Navigation direction arrows 6 Menu i...
Страница 10: ...the DCM has the power communication and sensor gauge connections The DCM has a built in universal power supply rated for 100 240 VAC 50 60 Hz The DCM accepts a C13 plug The RS 232 I O multi purpose c...
Страница 11: ...Relay b common 6 Relay b NO 7 Tx RS 232 signal out 8 Rx RS 232 signal in 9 Ground RS 232 common 10 Not used 11 Channel 2 buffered analog signal 1K output 12 Not used 13 Reserved 14 Not used 15 Channe...
Страница 12: ...ragm It also keeps condensation from collecting on it 3 For threaded port connections e g VCR or 1 8 MPT make sure to properly tighten the fitting Use appropriate thread sealant on 1 8 NPT threads and...
Страница 13: ...s make up the two conductors of a capacitor The diaphragm is deflected towards or away from the fixed electrodes with changing absolute pressure independent of gas type or composition The diaphragm de...
Страница 14: ...CDG measures direct force applied from the vacuum pressure its pressure measurement is independent of the gas type This eliminates the need for lookup tables and gas conversion calculations These gaug...
Страница 15: ...w on the screen CHn on the flowchart means Channel 1 or 2 whichever is currently selected h h The UP and DOWN arrow buttons let you scroll through the available options on the same hierarchy level h h...
Страница 16: ...BChn Units Adjust DCM Chn Units Value RaChn Units Low RbChn Value RaChn Units High RbChn Value Calibrate Zero Units Chn Chn Value Cal Units Chn MF Value Clear Zero Chn High Medium Low On Off No Yes Pa...
Страница 17: ...ates that one of these conditions exists on channel 2 Press the right arrow button to switch to the other channel Below the screen now shows that the gauge on channel 2 is at 234 mTorr rough vacuum Th...
Страница 18: ...The current pressure of the gauge on Channel 1 is 760 00 Torr 3 5 Changing Pressure Measurement Units 2 Press the SELECT ENTER button to go to the Units screen 3 Press the SELECT ENTER button again t...
Страница 19: ...e choices 5 When the correct full scale value is displayed press SELECT ENTER 6 The selected full scale pressure is SAVED 7 Press the LEFT arrow button to go back to the home screen 3 7 Global Setting...
Страница 20: ...her parameters setpoints are stored in non volatile memory so they don t need to be re entered every time power is cycled See Section 3 9 p 21 for specific instructions on programming setpoints Either...
Страница 21: ...auge s MUST be set BEFORE programming setpoints Different pressure units can be used to input each setpoint The DCM will automatically convert setpoint values into whatever pressure unit is currently...
Страница 22: ...n 1 or greater than 99 of the gauge s full scale Use the UP or DOWN arrow button to change the value With each UP or DOWN arrow button press the value changes by 1 of full scale If the button is held...
Страница 23: ...calibration adjusting zero on the DCM only changes the DCM display it does not change the gauge s output Warm up the gauge per the manufacturer s recommend duration before adjusting zero Note that the...
Страница 24: ...he DCM s pressure reading linearly across the gauge s entire pressure range The Calibrate function should only be changed when CDG pressure is stable For optimal results we recommend that calibration...
Страница 25: ...d high for Relay b sn Returns the serial number of the DCM Inputs setu1 Sets Channel 1 measurement units setu2 Sets Channel 2 measurement units setsf1 Sets Channel 1 full scale value setsf2 Sets Chann...
Страница 26: ...ltage outputs from Channels 1 and 2 delimited by a space Returns 0 00 indicates no gauge attached p Description Gets the raw gauge pressures on Channels 1 and 2 delimited by a space The raw gauge volt...
Страница 27: ...1 00 is default While the return shows two digits the actual MF could be more precise see setcal1 and setcal2 p 28 ra Description Gets the setpoint threshold values of Relay a in E notation Returns e...
Страница 28: ...equired After an input command is entered the terminal provides feedback to indicate if the new parameter value has been saved if the command syntax is incorrect or if there is another issue that did...
Страница 29: ...e2 1 21e 5 sets Relay a to Channel 2 sets high threshold setpoint value 6 22 x 102 0 00622 or units sets low threshold setpoint value 1 21 x 10 5 0 0000121 units Returns 0 success 1 invalid input sets...
Страница 30: ...rstz1 Description Resets Channel 1 zero to 0 00V Returns 0 success rstz2 Description Resets Channel 2 zero to 0 00V Returns 0 success RST Description Resets all DCM parameters to factory defaults VISA...
Страница 31: ...Ideal Vacuum Products LLC 5910 Midway Park Blvd NE Albuquerque NM 87109 Phone 505 872 0037 Fax 505 872 9001 Web idealvac com...
