Scanivalve DSA 3000 Series Скачать руководство пользователя страница 17 | Manualshive

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Figure 9 - RS232 / External trigger test cable

RS 232 COMMUNICATIONS

Every DSA3200 Series Module has an RS 232 output. It is available at the Serial Communications/Trigger
Connector. It is designed to be used to configure the module, upload coefficients and operating system
upgrades, and provide emergency communications. The wiring of the RS 232 output is shown in figure 10.

NOTE: The cable wiring must connect the Tx output from the host computer to the Rx input of the DSA

module. Also the Rx input of the host computer must connect to the Tx output of the DSA module.

A combination RS22 and External Trigger cable (Scanco PN 155829) is available as an option. If the optional
cable is not ordered, then the mating connectors are supplied with every DSA3018/3218 order. The cable
is shown below along with a recommended wiring diagram.

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Содержание DSA 3000 Series

Страница 1: ...DIGITAL SENSOR ARRAY DSA 3000 Series Modules DSA3017 DSA3018 DSA 3200 Series Modules DSA3217 DSA3218 INSTRUCTION AND SERVICE MANUAL 11 2010...

Страница 2: ...13 ETHERNET CONNECTIONS 14 10Base 2 14 10Base T 14 CONTROL VALVES 15 Standard Modules 15 Pneumatic Inputs 15 Standard Modules Control Pressure Truth Table 15 Quick Zero Calibrations 16 Absolute Module...

Страница 3: ...29 DSA3017 3018 Firmware Replacement 32 DSA3217 3218 Firmware Replacement Upgrade 33 DSA 3017 3217 Pneumatic Jumpering for QUICK ZERO 34 DSA 3018 3218 Pneumatic Jumpering for QUICK ZERO 35 DSA 3018 32...

Страница 4: ...Truth Table 15 Figure 12 Quick Zero Valve Logic 16 Figure 13 Absolute Modules Control Pressure Truth Table 17 Figure 14 Absolute Valve Logic 18 Figure 15 Isolate Purge schematic 19 Figure 16 DSA3017 P...

Страница 5: ...08 of full scale 5 to 500 psid 0 05 of full scale 501 to 850 psid 0 08 of full scale Accuracy absolute With CALB performed Without CALB performed 15 psia 0 05 of full scale 0 10 of full scale 30 psia...

Страница 6: ...ering Units DSA3200 Series 200 samples channel sec TCP IP ASCII Engineering Units 500 samples channel sec UDP Binary Typical Communications Rate Ethernet 10 Mbits sec RS232 DSA3000 Series 1200 to 1920...

Страница 7: ...rements This electronic pressure scanning module is specifically designed for use in applications where long calibration intervals are required and ambient temperatures can vary below 0E C The DSA 301...

Страница 8: ...thernet communications 4 Connect the Ethernet link Refer to page 14 for more information on the Ethernet connections 5 If external triggering is to be used connect the Trigger Input Wiring information...

Страница 9: ...Figure 1 DSA3217 5...

Страница 10: ...HARDWARE INSTALLATION DSA3017 3217 Figure 2 shows the DSA 3217 with the Universal Mounting Bracket Dimensions are in inches and millimeters Figure 2 Mounting and configuration 6...

Страница 11: ...Figure 3 DSA 3018 3218 Mounting and configuration DSA3018 3218 Figure 3 shows the DSA 3018 3218 with the Universal Mounting Bracket Dimensions are in inches and millimeters 7...

Страница 12: ...by a Digital Output Command in the DSA3200 software The Trigger and Power connectors are configured exactly as a standard DSA3217 Control pressures are also identical to a standard DSA3217 This infor...

Страница 13: ...ectly by the DC input voltage input It is recommended that the user supply be capable of providing sufficient current drive for the DSA3217 and the Digital Outputs Each Digital Output requires approxi...

Страница 14: ...e inputs are not switched during transitions of the control valves The control valve logic is identical to a standard DSA3217 The Trigger and Power connectors are also configured exactly as a standard...

Страница 15: ...8 8Vdc at approximately 35 W if the optional heater is installed The power requirements will drop when the module reaches the normal operating temperature If the module is used in an environment where...

Страница 16: ...l edge sensing device It requires a minimum signal of 9Vdc 6 5 mA It may accept voltages as high as 15 Vdc The external trigger will only be active if XSCANTRIG is set to 1 When a SCAN command is issu...

Страница 17: ...s The wiring of the RS 232 output is shown in figure 10 NOTE The cable wiring must connect the Tx output from the host computer to the Rx input of the DSA module Also the Rx input of the host computer...

Страница 18: ...t may be connected on a 10Base 2 string is 1024 The minimum length of coaxial cable between modules is 0 5 meters The maximum length of the 10Base 2 string is 1 5 kilometers It is recommended that IEE...

Страница 19: ...ures up to 500 psi Input pressures greater than 500 psi require 120 psi control pressures The Control inputs are 063 inch tubulations in a DSA3017 3217or 1 8 inch Swagelok fittings in a DSA3018 3218 T...

Страница 20: ...drift problem inherent in piezoresistive sensors A functional drawing of the Standard Valve with Quick Zero Logic is shown in Figure 12 The operation of the Quick Zero Calibration is described in the...

Страница 21: ...ISO Purge Valve configuration Figure 14 shows the Absolute Valve Logic Figure 15 shows the Iso Purge Valve Logic The Calibration input is an 063 inch O D tubulation in a DSA 3017 3217 The DSA 3018 32...

Страница 22: ...ric 14 7 psia typical In order to zero an absolute DSA module a CALB command performs a baro zero to make the minor corrections that may be necessary to maintain the Digital Sensor Array accuracy The...

Страница 23: ...e to set The purge mode MUST be established in a set order in order to protect the sensors and Calibration modules from damage Isolate Purge Mode Procedure 1 Set the internal valve to the Calibrate mo...

Страница 24: ...o connect the pressure inputs to the module This panel acts as a splash plate to protect the module from liquids The plates are fitted with 1 16 inch tubulations for the Px and control inputs Figure 1...

Страница 25: ...essure inputs to the module This panel acts as a splash plate to protect the module from liquids The plates are fitted with 1 16 inch tubulations for the Px and control inputs Figure 17 shows the pane...

Страница 26: ...face panel to connect the pressure inputs to the module The panels are fitted with 1 8 inch Swagelok fittings for the Px and control inputs Figure 18 shows the panels used on the DSA 3018 modules Figu...

Страница 27: ...face panel to connect the pressure inputs to the module The panels are fitted with 1 8 inch Swagelok fittings for the Px and control inputs Figure 19 shows the panels used on the DSA 3218 modules Figu...

Страница 28: ...the unit 3 Verify that all of the o rings stay with the module To install the splash plate 1 Inspect the o rings for nicks and contamination Replace any o rings that do not appear to be perfect 2 Ins...

Страница 29: ...Engineering Unit conversions Processor Board The Processor Board is the heart of the module All of the software and module intelligence resides in this board It uses an 80186 processor operating at 12...

Страница 30: ...o outputs a signal proportional to the sensor bridge resistance This signal is used to determine the temperature of each sensor and ultimately the temperature plane to be used for Engineering Unit con...

Страница 31: ...Figure 21 DSA 3017 Exploded view 27...

Страница 32: ...Figure 22 DSA 3018 3218 Exploded view 28...

Страница 33: ...nd gently remove the DSA right side cover with the electronics Disconnect the cables making certain to note where and how they are connected 4 Remove the brass reference manifolds from each end of the...

Страница 34: ...Figure 23 Quick Zero Valve Mounting Figure 24 Sensor Replacement 30...

Страница 35: ...Figure 25 DSA temperature compensated sensor labels 31...

Страница 36: ...y important to observe ESD safety procedures while replacing this chip 1 Remove the Splash Plate and the top two screws 2 Place the module on its side as shown and remove the two upper screws Loosen b...

Страница 37: ...3218 modules is by RS232 Please refer to the DSA3200 Series Software Specification for a procedure and RS232 connection information Notification of possible upgrades will be available on the Scanivalv...

Страница 38: ...e zero mode is generated internally Refer to the Control Pressure Truth Tables in Figures 11 and 13 for more information The pneumatic jumper is shown in Figure 26 below To Perform a Quick Zero 1 Insu...

Страница 39: ...Zero 1 Insure that the Quick Zero jumper is installed as shown in Figure 27 2 Apply a constant 90 psi pressure to the CTL input 3 Execute a Zero Calibration by calling the CALZ CALIBRATE ZERO command...

Страница 40: ...e DSA 3018 3218 s valve it is important to leave the module in the following dormant state Apply CTL2 and PRGCTL pressures Ensure no Px pressures are applied Freon present must be vaporized Any time t...

Страница 41: ...handled by the network client host Integrated with System Network The integrated DSA provides the most accessible data to all network clients Any client host on the network may control any or all of t...

Страница 42: ...Scanivalve Corp offers a LabVIEW Development kit for users desiring to customize a LabVIEW driver for DSA modules The Development kit is compatible with LabVIEW 8 2 8 6 and 2009 A LabVIEW Configurati...

Страница 43: ...command Each DSA module has a unique factory set 48 bit physical Ethernet address When running TCP IP protocol the DSA modules support ARP address resolution protocol to enable the client host to det...

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