Pneumatic Actuator Controller User Manual
Contents
1. Figure 14 Data tab various states for channels 1 3 10 4 Setup tab There are no setup parameters for the N2400 so the setup tab is blank 10 5 Device tab Click on the Device tab You can check the communication link status read the N2400 manufacturing serial number and verify the versions of the hardware and firmware On the right is the firmware update utility You can use this to download firmware updates hex files downloaded from the Pyramid Technical Consultants Inc web site N2400 User Manual N2400 UM 140606 Page 27 of 56 PSI System Controls and Diagnostics 4 N2400 4 Address 4 on Loop 2 on A500 192 168 2 3 100 zx x Comms PPH Comedies Pendng Eror Communication SYSTem Properties Utilities Messages Sent SAFEState 2 Device Version Upload Application 1631920 3 0 Select hex file COMMTERM 3 FPGA Version Checksum Errors SAARI CHEE 5 COMM CHECksum 41 04 Reset Device EREQUEDSY Hardware Version Echo Errors 60 Hz 1 0 SERIALnumber IO Input Length Timeouts 0000000567 2 0 COMMTIMEout IO Output Length 16 0 Reset Counters Last Error Figure 15 Device tab showing firmware update utility controls Communication The counters show details of the communications between the N2400 and its host You can click the Reset Counters button to reset the fields to zero2. PAA Comp air in 24 VDC solenoid valve Fiber optic comms Other devices Limit switch 24V in Figure 5 Schematic N2400 installation for remote interfacing of pneumatic actuators The N2400 may be the only device on the communication loop or one of up to fifteen devices As the number of devices is increased the loop bandwidth has to be shared so for fast control you would generally keep the number of devices on each loop to the minimum However the N2400 has low bandwidth requirements so this is a minor concern if the N2400 and similar devices are the only devices on the loop N2400 User Manual N2400_UM_140606 Page 19 of 56 PSI System Controls and Diagnostics 9 Getting Started 9 1 1 Powering up Before installing the N2400 in its final location and if it is the first time you have used a N2400 we recommend that you familiarize yourself with its operation on the bench You can check the unit powers up correctly establish communications run the internal calibration procedure and read the internal calibration current Inspect the unit carefully to ensure there is no evidence of shipping damage If there appears to be damage or you are in doubt contact your supplier before proceeding Connect 24 V DC power but no other connections The front panel auto manual LEDs will illuminate according to the positions of the auto manual toggle switches No limit switch indicators s
3. Comm Term These controls are used for ASCII communications only You can ignore Comm Checksum them when using the PSI Diagnostic Frequency This parameter is not used by the N2400 SerialNumber This is the manufacturing serial number of your device and should be left unchanged Comm Timeout This field can be used to control how the N2400 behaves if the communication link to its host is lost Entering any non zero integer value sets the number of seconds that the N2400 will continue what it is doing if communications are lost After that it will go to its defined safe state which is all outputs unenergized Select hex file This button starts the N2400 firmware update process It opens a file selection dialog When you select a hex file it will start uploading to the N2400 immediately Upon completion the N2400 will restart automatically and you will see the new Device Version number displayed See section 14 for more details Reset This button causes a full warm reset of the N2400 All outputs will be set back to off N2400 User Manual N2400 UM 140606 Page 28 of 56 PSI System Controls and Diagnostics 11 Other Host Computer Software The N2400 is supported by the Pyramid PTC DiagnosticG2 software which is required by the A360 and A560 loop controllers This was supplied with your N2400 or can be downloaded at www ptcusa com The user screens are similar to those shown in the last sec
4. 13 1 5 In indicator Orange LED Illuminates when the in digital input is connected to OV by a remote limit switch 13 1 6 Out indicator Orange LED Illuminates when the out digital input is connected to OV by a remote limit switch 13 2 Rear panel controls 13 2 1 Mode switch Communications mode Setting Function 9 bit binary 10 Mbps 8 bit binary 3 Mbps 8 bit binary 115 2 kbps 8 bit binary 57 6 kbps 8 bit binary 19 2 kbps ASCII 3 Mbps ASCIL 115 2 kbps ASCII 57 6 kbps ASCII 19 2 kbps Reserved IR OI 13 2 2 Address switch 16 position rotary switch setting device address Choice of address is arbitrary but each device in a fiber optic loop system must have a unique address Setting Function 0 Reserved to loop controller 1 F decimal 1 to 15 Available address settings 13 3 Rear panel indicators 13 3 1 Power Green LED On 24 VDCinput power is present N2400 User Manual N2400 UM 140606 Page 36 of 56 PSI System Controls and Diagnostics 13 3 2 Xmit Green LED On N2400 is sending messages 13 3 3 Rcv Green LED On N2400 is receiving messages 13 3 4 Status Red Green LED This LED indicates a variety of internal states as follows Alternating red orange green off Unit powering up Off Unit idle not measuring Orange Waiting for trigger or resetting integrators
5. N2400 Pneumatic Actuator Controller User Manual Pyramid Technical Consultants Inc 1050 Waltham Street Suite 200 Lexington MA 02421 USA US TEL 781 402 1700 FAX 781 402 1750 EMAIL SUPPORTOPTCUSA COM Europe TEL 44 1273 493590 PSI System Controls and Diagnostics 1 Contents 1 Contents npa NN BABABA de tat Pii NINIGAITUDULBIGNNIPIIBNL API KNB IANG DL ALANA SIPA LAMG 2 LE Tableof IES UU BRA 5 2 Safety Information C E 6 3 Models AAA 8 4 SCOPE OL SUPPLY rer nr lent te sr E o se ss ete ent cd entente tee nee 9 5 Optional tems PEN 10 Qs SPOWET SUP 2 LI ARR aeter etit m mtt ae 10 23 2 Data cables t e PER ee ETE E LAG BANG NN quus 10 3 3 Biber Optic loop aee ttn debe muitis 10 6 Intended Use and Key Features 4 eee eee e eee eee eese eee saan tese tn setas toss etas sess tn se sensa eese sona se tn ases ss ena seno 11 6 AA ete ite 11 0 2 KevEediuresa oe seo ae V D SRE en RAR tas See NES Netus eee cu oni Ra 11 7 Spec NICA t ee ose s 12 8 Installation etes ertet ARTO 18 GT ES AA 18 amp 2 Grounding and powersupply eet nhe eee entree dansent unies 18 6 3 Connection to quipm nt ie ea A RE panda ee RD reste bee 18 9 Getting Started ient a NN 20 9 L1 Powermng Up aeri RANE ARAM ARI eeiam eeiam ied di 20 9 1 2 Manual control from the front panel nennen nenne
6. Green Measuring Red Error Alternating green orange TELE Downloading program from host 13 3 5 Link Red Green LED This LED indicates a variety of communication states as follows Alternating red orange green off Unit powering up Off No connection since last power up Alternating green off Unconnected Alternating orange off Unconnected unit has gone to the safe state Green Connected Red Fatal communications error Fast alternating green orange lola Boot state waiting start command or code download N2400 User Manual N2400_UM_140606 Page 37 of 56 PSI System Controls and Diagnostics 14 Software updates The N2400 has three embedded firmware releases Firmware Function FPGA pof file General logic loop message passthrough PIC Boot hex file Boot up code upload PIC Application hex file Main application special functions SCPI instrument model The FPGA and PIC microcontroller boot code should not require updating They require access to the circuit board and dedicated programming tools to load new code If either of these codes need to be updated your supplier will contact you and make arrangements either to return the unit for upgrade or to have an engineer perform the upgrade for you The PIC microcontroller application code may be updated periodically to add new operating features New c
7. N2400 actuator controller Year of initial manufacture 2007 Applicable Directives 73 23 EEC Low Voltage Directive Laws for electrical equipment within certain voltage limits 89 336 EEC EMC Directive Laws relating to electromagnetic compatibility Applicable Standards IEC 610101 2002 2 Edition UL 61010 1 2004 EN 61326 1997 A1 1998 A2 2001 EN 55011 1998 A2 2002 EN 61000 6 2 2001 Electromagnetic Compatibility Generic Standard Immunity for Industrial Applications Issuing Agencies Safety TUV Rheinland North America 12 Commerce Rd Newtown CT 06470 USA EMC TUV Rheinland North America 12 Commerce Rd Newtown CT 06470 USA Applicable Markings TUV FCC CE Authorized by RR B Aaner President Pyramid Technical Consultants Inc Date duly q 200 The Technical Construction File required by theses Directives are maintained at the offices of Pyramid Technical Consultants Inc 1050 Waltham Street Lexington MA 02421 USA A copy of this file is available within the EU at the offices of Pyramid Technical Consultants Europe Ltd 2 Chanctonbury View Henfield BN5 9TW United Kingdom N2400 User Manual N2400 UM 140606 Page 55 of 56 PSI System Controls and Diagnostics 23 Revision History The release date of a Pyramid Technical Consultants Inc user manual can be determined from the document file name where it is encoded yymmdd For example BIO UM 080105 would be a B10 manual released on 5 J
8. The host software should use the STB command to watch for changes to the status of the N2400 and then ESR STATus OPERation CONDition or STATus QUESTionable CONDition as appropriate to recover the details from the relevant register 16 1 3 Host Commands The N2400 responds to the mandatory commands prescribed by SCPI and IEEE 488 2 plus specific commands as required by the operation of the device The commands are grouped with a hierarchical structure with the levels separated by the colon character For example SYSTem COMMunication CHECKsum 1 This command sets the checksums for all replies from the N2400 SCPI provides for a long and short form for each command The short forms are indicated by the capitalized part of the command denotes a required argument denotes an optional argument A number of commands are password protected to reduce the chance of changing them accidentally The commands only effective after the device has been rebooted if they have been enabled by first sending SYSTem PASS word 12345 Sending any other number as the argument of this command disables the protected commands again 16 1 3 1 ADDRESSING DEVICES SCPI does not provide specific commands for addressing multiple devices because this was handled by hardware in the original IEEE 488 1 specification The N2400 provides a simple mechanism for making any device on the loop the listener The device will remain the listener until anot
9. controller LEDs Figure 16 N2400 block schematic The power input and conversion is on the main board The incoming 24 VDC power is split to provide separately fused feeds to the switch boards and to the DC DC converters that generate 5 V 3 3 V and 1 5 V rails for the main board The feeds to the switch boards are gated by a relay which on power up only closes when the FPGA on the processor board has started up thus preventing momentary random states of the outputs N2400 User Manual N2400 UM 140606 Page 30 of 56 PSI System Controls and Diagnostics The front panel auto man switch selects between the relay switched 24 V controlled by the FPGA and ultimately by the remote host and 24 V controlled by the front panel in out switch The 24 V output is protected by a automatically resetting thermal fuse Signals back to the FPGA enable the host software to sense if the channel has been switched to manual and the state of the In Out switch irrespective of whether the channel has been switched to manual The limit switch inputs sense when the external circuit is closed to OV thus drawing current from the 24 V supply through the photodiodes and indicator LEDs 5 kohm series resistors limit the current that will flow through the remote switches to about 4 5mA The field programmable gate array FPGA handles all input output and communications in association with the microcontroller N2400 User Manual N2400 UM 140606 Page 3
10. 51 19 SUpport Sie ON 52 20 Returns procedure e oosss tovs s a 53 BV SA ERA PP RER EU IE ER 54 22 gt PRA seos r Sptar i eest Spre ST sos a SSpS 55 23 Revision HISLOLY ccc 56 N2400 User Manual N2400 UM 140606 Page 4 of 56 PSI Syst em Controls and Diagnostics 1 1 Table of figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 N2400 chassis rear and front panels Dimensions mm N2400 chassis top and side views Dimensions mm N2400 D25 chassis rear panel N2400 chassis front panel early models Dimensions mm Schematic N2400 installation for remote interfacing of pneumatic actuators Actuator test lead View on N2400 connector solder side of mating connector RS232 connection cable from the N24000 to a PC serial port DB9 Hyperterminal COM port setup Hyperterminal terminal settings Example Hyperterminal session terminal mode PSI Diagnostic Search Utility adding a target IP address and port PSI Diagnostic Search Utility detection in progress Data tab various states for channels 1 3 Device tab showing firmware update utility controls N2400 block schematic Actuator channel control and indicator cluster Selecting the hex file to load Firmware upload in progress Example safety circuit
11. N2400 User Manual N2400 UM 140606 Data tab A N2400 is connected via an A500 controller on loop 2 at address 4 Page 5 of 56 14 15 16 17 19 20 21 22 22 23 25 25 26 27 28 30 35 39 40 41 PSI System Controls and Diagnostics 2 Safety Information This unit is designed for compliance with harmonized electrical safety standard EN61010 1 2000 It must be used in accordance with its specifications and operating instructions Operators of the unit are expected to be qualified personnel who are aware of electrical safety issues The customer s Responsible Body as defined in the standard must ensure that operators are provided with the appropriate equipment and training The unit is designed to make measurements in Measurement Category I as defined in the standard The N2400 does not generate dangerous voltages nor is it designed to measure directly such voltages However it is intended to control pneumatic actuator systems which may present pinch hazards Appropriate precautions must be taken when working on the actuator assemblies The lock out tag out protocol is recommended The service engineer should disconnect the cable from the N2400 to the actuator and lock and tag a cover over the cable end The engineer should retain the key until the work is completed If an actuator is performing a safety critical function then a safety rated hardware interlock system should be placed in between the N2400
12. as necessary Unable to communicate with device Duplicate address setting Check address against expected address in host Use correct switch setting Switches can be changed N2400 User Manual N2400 UM 140606 Page 49 of 56 PSI System Controls and Diagnostics software while the unit is operating Communication link timeout Network LED not lit Investigate and fix communications issue Use a longer timeout setting 1f necessary RX and TX cables cross Network LED not lit Correct cabling connected somewhere in loop Fiber optics are damaged Inspect fibers especially the connectors Check light can be seen through fiber Exchange fibers and retry Fit new fibers or re terminate as necessary Incorrect setting of mode switch Use correct switch setting Switches can be changed while the unit is operating RS 232 or USB connector is inserted when trying to communicate on fiber optics Check connections to rear panel Remove cables for unused interfaces Device loop address not as expected Address switch not at a valid setting Move switch to another address and back to required address Ensure switch is correctly set Communications interruptions Other processes on PC host interfering with comms ports Use a dedicated PC with simple configuration and minimum number of processes running PSI Diagnostic will not conn
13. interpreted without errors or an error message if they could not be interpreted The non printing ACK and BEL characters are not sent N2400 User Manual N2400 UM 140606 Page 48 of 56 PSI System Controls and Diagnostics 17 Fault finding Symptom Possible Cause Confirmation Solution Actuator does not change Channel is set to manual Check N2400 front panel Set switch correctly position when commanded control Actuator solenoid incorrectly Check wiring Correct wiring as necessary polarized Pneumatic pressure low Check gas pressure Ensure adequate gas pressure Independent interlock circuit is blocking the control signal Check interlock status Clear interlock conditions Actuator is not connected to that N2400 channel Check cabling Correct cabling as necessary Limit switch indications do not reflect actuator position Switches are wired n c instead of n o Check switch wiring Correct wiring as necessary Switch wiring swapped end for end Check switch wiring Correct wiring as necessary Actuator movement is the opposite of expected Pneumatic connections are swapped Check pneumatic connections Correct pneumatics as necessary Multiple of four or eight channels out of twenty four do not function Internal ribbon cable from main board to switch board or connector board is unconnected Check internal ribbon cables are in place Connect ribbon cables
14. o 09 o 809 o 809 o B0 9 o B0 9 o 809 0A 9 0o89 0 2U 17 18 19 20 21 22 23 24 07859 5829 262 2829 2839 28 909 2859 82g 9 C O 482 6 19 Figure 4 N2400 chassis front panel with toggle switches early models only Dimensions mm N2400 User Manual N2400 UM 140606 Page 17 of 56 PSI System Controls and Diagnostics 8 Installation 8 1 Mounting The N2400 should be mounted in a standard 19 rack system We recommend that you use chassis supports rather than relying on the front panel alone for mounting The unit may be simply placed on a level surface for initial testing The rack depth position should be sufficient to accommodate connectors and cable bend radii Leave at least 100 mm clearance for the cooling fan to exhaust into The combined weight of a full complement of cables to actuators is considerable so adequate support must be provided for the cables to avoid excessive strain on the rear panel Best performance will be achieved if the N2400 is in a temperature controlled environment 8 2 Grounding and power supply A secure connection should be made via the ground lug to local ground potential 24 VDC power should be provided from a suitably rated power supply with the following minimum performance Output voltage 24 0 5 VDC Output current 2000 mA minimum 5000 mA maximum Ripple and noise lt 100 mV pk pk 1 Hz to 1 MHz Line regulation lt 240 mV The N2400 includes an
15. ttes Ras 35 13 1 Front panel controls and indicators sise 35 13 1 1 A RSR Ph PAA AA E 35 13 1 2 INVASION 35 13 1 3 Auto INAICALOT ner EE SESE ana 35 13 1 4 Man indicator AEE EEEE 36 13 1 5 ILETO DTi BAA tn des diem ie tetas deuda di rs 36 13 1 6 Out TO AIOI ARSTER R tn nn NAB ha DANI ANAN 36 13 2 Rear panel controls ss m iei tir e ete m dames BN ma ti 36 13 2 1 Mode Switch uice p di HIGA a Ue e e s NV LE dat es 36 13 2 2 Address SWHCl ctc ren ST ID eere Od e id 36 13 3 Rear pa nelindicatoks zie a bab a e e ete pc t e En teme E bee els 36 13 3 1 POWER AnG tetendit owed ace ER ett te ah armo 36 13 3 2 O RD AA PAY 37 13 3 3 RO te pah IG NA AMAG MAGANA GA ued tel Swat ae KAMA NAIBA HINA Selah pentane 3T 13 3 4 NAIA AA AA 3T 13 3 5 DINKY ERE EEE enne ene dte ed A Mani itd Nila NOB hb na iasa 3T N2400 User Manual N2400 UM 140606 Page 3 of 56 PSI System Controls and Diagnostics 14 Software AA sea soeStosi siasa a e iso as EE ss ieni siose aaien roS ies 38 E A 41 15 1 Salei relay imerlock CMC A 41 15 2 Lock UL TAS OU ist nm men an NUR C ns nn nes tha oa cag 42 16 ASCII Communication R 43 16 1 ASCH Protocol gt SCPE s o c a t a aa mo A RS 43 16 1 1 l C EE 43 16 1 2 Status TEPISLELS nn nan o eds 44 16 1 3 Host Commands Er p 44 16 2 ASCII Protocol Terminal Mode siennes 48 17 ELA O 49 18 ESSE
16. 0 returns decimal value TST Self Test Query Perform a checksum test on ROM and return the result N2400 returns I WAI Wait to Continue Command Wait until all previous commands are executed Not currently supported 16 1 3 3 IEEE 488 2 OPTIONAL COMMANDS RCL Recall instrument state from EEPROM SAV Save present instrument state to EEPROM N2400 User Manual N2400 UM 140606 Page 45 of 56 PSI System Controls and Diagnostics 16 1 3 4 N2400 COMMANDS N2400 set commands which have a query equivalent for readback are marked with in the following table Command query command Command arguments Query returns Meaning FETCh Auto Man switch settings In Out switch settings out limits in limits 24 bit values Read digital inputs Auto Man FFFFFF all channels in auto In Out FFFFFF all channels set to in Out limits FFFFFF all out limits set In limits FFFFFF all in limits set READ Auto Man switch settings In Out switch settings out limits in limits 24 bit values Read digital inputs Auto Man FFFFFF all channels in auto In Out FFFFFF all channels set to in Out limits FFFFFF all out limits set In limits FFFFFF all in limits set STATus OPERation CONDition Query operation register status condition bit ENABle Q Set query operation register status enable bit EVENt Query oper
17. 1 of 56 PSI System Controls and Diagnostics 12 Connectors 12 1 Rear panel connectors 12 1 1 Actuator control and readback Twenty four nine pin Dsub female Pin 5 Pin 1 Pin 9 Pin 6 External view on connector solder side of mating plug 1 Switched 24 VDC out 6 24 V return OV 2 n c 7 Limit In opto input 3 24 V return OV 8 n c 4 n c 9 Limit Out opto input 5 24V return OV 121 2 Power input 2 1 mm threaded jack To mate with Switchcraft S761K or equivalent Center pin 24VDC NI Outer OV 12 1 3 Fiber optic communications ST bayonet To mate with ST male terminated fiber optic cable Recommended cable types 1 mm plastic such as Avago HFBR EUS 500 or 200 um silica such as OCS BC03597 10 BL Signal 650 nm light red ESOS EN TX RX Light Gray Dark Gray 12 1 4 USB communications USB type B female N2400 User Manual N2400 UM 140606 Page 32 of 56 PSI System Controls and Diagnostics 12 1 5 RS 232 communications Six pin mini DIN socket PS 2 mouse keyboard type 4 5 6 n c Pin 3 Gnd Pin 2 Rx C Pin 1 Tx External view on connector solder side of mating plug The connector includes a sensor for cable connected 12 2 Alternative actuator connections N2400 D25 model 12 2 1 Actuator control Two twenty five pin Dsub female J1 J2 Pin 13 Pin 1 Pin 25 Pin 14 Exter
18. 24V coil i ic SF2D DC24V Safety FCP2 S ZS Panasonic SF2D DO zZ mm control from ES N2400 lt G Em 9 lt 9 Interlock 1 1 Zener 18V 1k ACI or 1 F al A IM MT KZ In ELO Interlock 2 l Zener 18V m 1k K P2 Figure 20 Example safety circuit N2400 User Manual N2400 UM 140606 Page 41 of 56 PSI System Controls and Diagnostics 15 2 Lock out Tag out Lock out tag out LOTO procedures should be followed if unexpected actuator movements could cause hazard to service staff The person working on the actuator system must be able to disable the drive with a suitable lock bearing his or her name and keep the key until the work is completed Any service staff working on an actuator system under LOTO procedures should disconnect the lead coming from the N2400 at the actuator itself where they can see that it is disconnected while working If this is not possible the cable should be disconnected at the N2400 and the cable end secured inside a lock box As a further precaution the pneumatic pressure could be removed N2400 User Manual N2400 UM 140606 Page 42 of 56 PSI System Controls and Diagnostics 16 ASCII Communication 16 1 ASCII Protocol SCPI The PSI Diagnostic and most user host applications will use the 9 bit binary communications mode of the N2400 as this provides the highest performance However ASCII communications may be needed by some users for better
19. 3 of 56 PSI System Controls and Diagnostics 10 Using the PSI DiagnosticG1 Host Program Usually you will use a custom application to communicate with the N2400 either one you write yourself using the software interfaces available from Pyramid Technical Consultants Inc or one that is supplied by Pyramid However you can get started immediately using the PSI DiagnosticG1 host program that was supplied with your N2400 It is also available for free download from www ptcusa com The PSI Diagnostic is a stand alone program which allows you to set and read the actuator states For some applications it may be adequate for all of your needs It is useful to understand what you can do with the PSI Diagnostic because it exposes all of the functions of the devices it connects to Application programmers will find it useful to help decide which functions to implement in their host software 10 1 Installing the PSI Diagnostic Program Your N2400 was shipped with a USB memory stick with the installation files you need We recommend that you copy the files into a directory on your host PC Check the Pyramid Technical Consultants Inc web site at www ptcusa com for the latest versions If you have an earlier installation of the PSI Diagnostic you can update to the latest version by replacing the PTC Controls dll and version xml files in the program directory The program runs under the Microsoft Windows operating system with the 3 0 NET fram
20. 4 Channel 5 Channel 6 Channel 7 Channel 8 Auto r Auto Auto In Auto im A bano Cano Tae uir Toe sic S e le e fe je e e e Man 4 gt Man Mar Man Channel 9 Channel 10 Channel 11 Channel 12 Channel 13 Channel 15 Channel 16 in Auto In Auto In Auto i In Auto ia In Auto gt e e e e e e e Man Out Man Out Man Man i J Q 2 3 9 Channel 17 Channel 18 Channel 19 Channel 20 Channel 21 Channel 22 Channel 23 Channel 24 in Auto Auto Auto In Auto In Auto In Auto In Auto Auto e je eo e je e e jo ej e ou V 3 P Man i Out Man ou Man 9 le a O o o g Figure 13 Data tab A N2400 is connected via an A500 controller on loop 2 at address 4 If you have an actuator connected and it is safe to do so you can try the controls to see their effect Toggle switches Toggle the switches to set the solenoid outputs Setting a switch to the down position energizes the relevant output to 24 VDC A connected actuator should move to the in position and the In indicator should then light instead of the Out indicator The physical LEDs on the N2400 front panel should also change over Auto Man If the
21. 400 User Manual N2400 UM 140606 Page 21 of 56 PSI System Controls and Diagnostics COM1 Properties x PortSettings Bits per second 115200 m Data bits ls xi Parity None xj Stop bits fi y Flow control None Restore Defaults Figure 8 Hyperterminal COM port setup 1400 test Properties x ConnectTo Settings Function arrow and ctrl keys actas Terminal keys Windows keys 2 Backspace key sends ASCII Setup ki x C CH C Del Ctri H Space Ctr H ASCII Sending v Send line ends with line feeds Emulation ng VT52 jamin seus Echo typed characters locally Line delay 0 milliseconds i j IVT52 DEEE M Character delay 0 milliseconds Backscroll buffer lines 500 j Play sound when connecting or disconnecting ASCII Receiving Append line feeds to incoming line ends input Translation ASCII Setup Force incoming data to 7 bit ASCII V Wrap lines that exceed terminal width Figure 9 Hyperterminal terminal settings Type lt CR gt to query the active listener You should get the response 4 You are communicating successfully with the N2400 at address 4 If you hear your computer s bell sound when you send the string the N2400 did not understand it probably because there was a typing error If the N2400 does not echo correctly either the terminal settings or the N2400 switch settings are lik
22. CTX UE 424VDC a 4 POWER IN FIBER OPTICRX a kan Ch 1 CONTROLS FRONT O NES Ir ANA D oo OxO Os OO OO Os Os O Os O OO E OxO 00 00 Q 00 Q 00 e 00 00 oo n oo OO fe oo m M oo a oo it oo OzO OO QsQ OsQ 0 0 O20 Og0 10 0 0 0 0 0 0 0 0 0 0 0 010 0 0 og Q 00 00 Q 66 00 Q 60 00 O lb 7 ees e NN ON OFF SWITCH INDICATOR LEDs Ch 24 CONTROLS AUTO MANUAL SWITCH 482 6 19 00 Figure 1 N2400 chassis rear and front panels Dimensions mm N2400 User Manual N2400 UM 140606 Page 14 of 56 PSI System Controls and Diagnostics 314 5 Figure 2 N2400 chassis top and side views Dimensions mm N2400 User Manual N2400 UM 140606 mr ww uU u uu u u u u u uw uu i Page 15 of 56 e L PSI System Controls and Diagnostics OUTPUTS 1 12 INPUTS 7 12 INPUTS 1 6 __ OUTPUTS 13 24 INPUTS19 24 NN INPUTS 13 18 6600000000095 N 6600000000093 AS 0000000009996 NG KAITO NO NET O NO E222 KO o yo o o dea o Figure 3 N2400 D25 chassis rear panel optional alternative arrangement N2400 User Manual N2400_UM_140606 Page 16 of 56 PSI System Controls and Diagnostics FRONT O 01 02 03 04 05 06 07 08 O 3830 5810 2830 28 28 28620 1010 28620 28 00 o i o pa o o 5 o x o k o bi 88 1
23. System Controls and Diagnostics 13 Controls and Indicators 13 1 Front panel controls and indicators Twenty four identical control and indicator clusters Figure 17 Actuator channel control and indicator cluster 13 1 1 In Out switch Rotary switch which is effective if the channel is in manual mode Up position to energize the relevant output down position to de energize the output The host software can read the position of the In Out switch irrespective of the state of the Auto Man switch In early models of the N2400 this control was a toggle switch 13 1 2 Auto Man switch Rotary switch to put the relevant channel in auto up position software control from the host computer or manual down position control from front panel control The host software can read the position of the switch and thus knows whether or not it can control the actuator position In early models of the N2400 this control was a locking toggle switch Pull the locking sleeve against the spring pressure to release the lock You should take care when switching between auto and manual mode as the actuator may move depending upon the relative states of the host control and the In Out switch 13 1 3 Auto indicator Green LED Illuminates when the channel is in auto mode N2400 User Manual N2400 UM 140606 Page 35 of 56 PSI System Controls and Diagnostics 13 1 4 Man indicator Red LED Illuminates when the channel is in manual mode
24. and the actuator The unit must not be operated unless correctly assembled in its case Only Service Personnel as defined in EN61010 1 should attempt to work on the disassembled unit and then only under specific instruction from Pyramid Technical Consultants Inc or their authorized distributors The unit is designed to operate from 24VDC power with a maximum current requirement of 1250mA A suitably rated power supply module is available as an option The unit must be grounded by secure connection to a grounded conducting surface If the unit is mounted on an insulating surface then one of the four mounting screws must be re assigned as a grounding connection Some of the following symbols may be displayed on the unit and have the indicated meanings N2400 User Manual N2400 UM 140606 Page 6 of 56 PSI System Controls and Diagnostics PPO 6 N2400 User Manual Direct current Earth ground terminal Protective conductor terminal Frame or chassis terminal Equipotentiality Supply ON Supply OFF CAUTION RISK OF ELECTRIC SHOCK CAUTION RISK OF DANGER REFER TO MANUAL N2400_UM_140606 Page 7 of 56 PSI System Controls and Diagnostics 3 Models N2400 24 channel pneumatic actuator controller N2400 D25 N2400 with optional DSub 25 pin alternative rear panel connectors N2400 User Manual N2400 UM 140606 Page 8 of 56 PSI System Controls and Diag
25. anuary 2008 Version Changes N2400 UM 081027 First general release N2400 UM 140606 Corrections Add table of figures Changes to cover revision 2 hardware including front panel switch changes and optional rear panel with D25 connectors Add section of G2 Diagnostic and IG2 EPICS N2400 User Manual N2400 UM 140606 Page 56 of 56
26. anyak updates 2008 05 29 0 Old revs COMMTIMEout B10 PIC 3 OF hex F100 PIC 3 ON hex R 0 F100 PIC 3_0Q hex Reset Counters F3200 PIC 3 OE hex 1200 PIC 4_0A hex 1400 PIC 3_2K hex 2 13200 PIC 3_2H hex 200 PIC 3 2N hex 10 PIC 3 1G hex C Boot 3 2 hex E S100 PIC 3 OH hex File name N2400 PIC 4_0A hex y Open Files oftype PSI Device Firmware hex X Cancel EZ Figure 18 Selecting the hex file to load N2400 User Manual N2400 UM 140606 Page 39 of 56 PSI System Controls and Diagnostics PSI Loop Diagnostic v4 01 e x x Window Help td amp A500 192 168 100 22 100 F5 Loop 2 wm NANN AV N2400 4 Address 4 on Loop 2 on A500 192 168 100 22 100 Comms Communication SYSTem Properties Utilities Messages Sent SAFEstate r Device Version Application 44070 E 4 0 ae COMMTERM FENTE ets ad 52 complete A FPGA Version Checksum Errors SONM CHEST 11 0 1 Reset Device 0 m E Hardware Version Echo Errors 60 Hz 1 SERIALnumber NO Input Length 0000000912 2 COMM TIMEout NO Output Length ro 16 Reset Counters Figure 19 Firmware upload in progress N2400 User Manual N2400 UM 140606 Page 40 of 56 PSI System Controls and Diagnostics 15 Safety Interlocks 15 1 Safety relay interlock circuit The N2400 is not designe
27. ation register status event bit QUEStionable CONDition Query questionable register status condition bit ENABle Set query questionable register status enable bit EVENt Query questionable register status event bit SWITch Channel number 0 23 output setting 011 Set actuator output for relevant channel 0 off 1 0n SWITch Channel number 0 23 Output setting 011 Query actuator output for relevant channel SYSTem COMMunication CHECKsum Checksum enable 011 Set appending checksum to all replies password protected 0 off N2400 User Manual N2400 UM 140606 Page 46 of 56 PSI System Controls and Diagnostics l on IDENTIFY Identify response Sends chained identify command Devices in the loop combine to assemble the response number of devices in loop addr of first device addr of second device addr of last device TERMinal Q Terminal mode 011 Terminal mode setting Set query terminal mode password protected 0 terminal mode off 1 terminal mode on In terminal mode ACK and NACK are not sent and OK or error response is sent for all valid commands that do not otherwise generate a response TIMEout Q Timeout in seconds lt timeout gt Timeout in seconds Set query timeout in seconds password protected 0 timeout disabled N2400 will go to u
28. compatibility with existing systems The N2400 supports ASCII communications under the Standard Commands for Programmable Instruments SCPI protocol which is widely used for instrumentation SCPI is an extension of the IEEE 488 2 standard This was originally developed by Hewlett Packard for the HP IB later GP IB interface before being adopted by the IEEE and is widely used by manufacturers of measurement equipment The N2400 implements the 1999 0 revision of SCPI O 1999 SCPI Consortium 16 1 1 Messages The first bit of every eight bit group in a message is the start bit followed by seven bits encoding a character from the ASCII character set A full command from the host to the N2400 comprises as many ASCII characters as needed to form the message terminated by the LF 0x0A character The N2400 will not start to process a command until the OxOA character is received The list of valid command s is listed in the next section If the communications is being handled in a terminal session the terminal program should send CR 0x0d before the LF to get a legible display The CR is ignored by the command interpreter in the N2400 The N2400 generates a reply to every message from the host when it is the listener The first byte of its reply will always be a single non printing character The first character is ACK 0x06 when the command has been successfully executed with no errors Responses to host commands with a will then ha
29. cted for each channel 48 opto isolated limit switch inputs two per channel Can be operated in a fiber optic serial communication loop with up to fifteen other devices 100BaseT Ethernet interfacing to a host computer available through the A360 A500 and A560 loop controllers N2400 User Manual N2400 UM 140606 Page 11 of 56 PSI System Controls and Diagnostics 7 Specification Outputs Number 24 independent one per actuator channel Voltage 24 VDC switched Current 50 mA nominal per channel 75 mA maximum all outputs on Fuse rating 100 mA resetting thermal fuse on each output Inputs Number 24 pairs independent two per actuator channel Configuration Opto coupled grounding input via remote switch closure indicates limit reached 24 VDC source voltage provided for each channel limited by 5 kohm internal source resistor Controls Actuators front panel Auto manual mode rotary switch one per channel Manual control actuator in out rotary switch one per channel Note early models used toggle switches Communications rear panel 10 position rotary switch for communication mode selection 16 position rotary switch for loop address selection Displays Actuators front panel Auto manual indicator LEDs one pair per channel Actuator in out indicator LEDs one pair per channel Communications and status rear panel Four LEDs transmit rece
30. d for sole use on critical safety systems Most safety standards require simple hardware only systems with special safety rated relays to handle critical safety interlocks This can be handled in a system based on the N2400 by introducing a safety interlock circuit between the N2400 and the actuator As an example consider a safety requirement that two actuators must be de energized if 24 VDC interlock signals are not present on two independent circuits Figure 20 shows an example circuit using safety relays Two separate interlock signals are required to be present before the actuator control signal from the N2400 is allowed to pass through the circuit Otherwise the control lines are connected to N2400 OV so that the actuators are disabled Zener diodes on the interlock signal inputs ensure that those signals have to reach a clean high condition before the interlock is seen as good AN 5k AN 1 q lt 4 pana Pin 1 Switched 24V DC TI Pin 3 5 6 N2400 Gnd Safety FCP1 pa Pin7 Limit switch in e control from pi Pin 9 Limit switch out N2400 lt lt Hg 9 lt 9 DP CS T o_o e oO gt l o o oo AN 24 VDC T 24 VDC T 1 LJ J LIT AUS gt Safety relay
31. ect to devices Two copies of program running Run a single instance only N2400 User Manual N2400 UM 140606 Page 50 of 56 PSI System Controls and Diagnostics 18 Maintenance The N2400 does not require routine maintenance or calibration Every six months at minimum you should confirm that the cooling fan is not blocked and remove any accumulated dust The N2400 is fitted with a 2 5 A automatically resetting positive temperature coefficient PTC fuse in the 24 VDC input and 100 mA fuses on each actuator output No user intervention is required if the fuse operates due to overcurrent The fuse will reset when the overcurrent condition ends N2400 User Manual N2400 UM 140606 Page 51 of 56 PSI System Controls and Diagnostics 19 Support Manual and software driver updates are available for download from the Pyramid Technical Consultants website at www ptcusa com Technical support is available by email from support ptcusa com Please provide the model number and serial number of your unit plus relevant details of your application N2400 User Manual N2400 UM 140606 Page 52 of 56 PSI System Controls and Diagnostics 20 Returns procedure Damaged or faulty units cannot be returned unless a Returns Material Authorization RMA number has been issued by Pyramid Technical Consultants Inc If you need to return a unit contact Pyramid Technical Consultants at support ptc
32. ely to be wrong Check them and retry until you see the characters echo correctly If you make any errors while typing use the backspace key and re type from the error Type read lt CR gt The characters can be upper or lower case The N2400 will return the state of its digital inputs as four 24 bit numbers These are respectively the state of the front panel Auto Man switches the state of the front panel In Out switches the state of the out limit inputs and the state of the in limit inputs N2400 User Manual N2400 UM 140606 Page 22 of 56 PSI System Controls and Diagnostics If you have an actuator connected to channel 1 and it is safe to do so change it to the energized state by sending switch O 1 meaning set switch 0 of 0 to 23 switches to state 1 energized Return it to the un energized state be sending switch 00 At each stage you can send read to see the response of the limit switches Type rst lt CR gt to reset the N2400 Your unit is functioning correctly and is ready to be integrated into your system If you wish to explore the ASCII communication capabilities of the N2400 more fully refer to the commands list in section 16 3 N2400 mode HyperTerminal 0 x Fie Edit View Cal Transfer Help Dia 2 3 ols ka hA 1 Connected 0 02 04 Auto detect 115200 8 N 1 Figure 10 Example Hyperterminal session terminal mode N2400 User Manual N2400 UM 140606 Page 2
33. ework or later This has to be installed before the PSI Diagnostic Most new PCs have NET already installed It can be downloaded from the Microsoft web site at no charge Install the PSI Diagnostic by running the PTCDiagnosticSetup msi installer and following the screen prompts Once the program has installed you can run it at once It will allow you to connect to the N2400 and depending upon your setup multiple additional devices at the same time The Diagnostic uses the concepts of ports and loops to organize the connected devices A port is a communications channel from your PC such as a COM port a USB port or Ethernet port Each port can be a channel to one or more loops and each loop may contain up to 15 devices 10 2 Establishing communication with the N2400 Start the PSI Diagnostic It will search the available ports on your computer and present a search list in an autodetect utility window Figure 11 shows a case where the program found two serial ports and a network adaptor We ll work through an example where the connection to the N2400 is via an A500 at IP address 192 168 2 3 We can add this specific address to the network search to avoid the need to broadcast to the whole LAN by typing the address followed by a colon and the standard port number 100 as shown in the figure and clicking Add IP N2400 User Manual N2400 UM 140606 Page 24 of 56 PSI System Controls and Diagnostics R RAMID Technical C
34. front panel switch for a channel on the N2400 is set to manual then the indication on the PSI Diagnostic will change from Auto to Man and the toggle will be grayed out The actuator position is now controlled from the N2400 front panel but the limit switch states will still be shown on the Diagnostic As an example figure 14 shows that the channel 1 actuator has been switched to the in position from the Diagnostic host Channels 2 and 3 have been overridden to manual control from the N2400 front panel and set to the in and out states respectively N2400 User Manual N2400 UM 140606 Page 26 of 56 PSI System Controls and Diagnostics As PSI Loop Diagnostic v3 26 olx Actions Window Help au eo o Z A500 192 168 2 3 100 amp Loop 2 BH N2400 4 4 N2400 4 Address 4 on Loop 2 on A500 192 168 2 3 100 onnected Pending Channel 1 Channel 2 Channel 3 Channel 4 Channel 6 Channel 7 in Auto t Auto Auto a o 0 e 7 le le gt e Man L o Man In o Out 9 Channel 11 Channel 12 Channel 13 Channel 15 In In e e o Ii EI D S Qu CES i Out Channel 17 Channel Channel 20 Channel Channel in Autc an Auto n in In Auto In e ele o le gt le e gt Ou ou 3 o OP ow ou 9 e a S 9 eo ie 9
35. her device is selected address Make device address 1 to 15 the listener 7 Query which device is listener N2400 User Manual N2400 UM 140606 Page 44 of 56 PSI System Controls and Diagnostics 16 1 3 2 table IEEE 488 2 MANDATORY COMMANDS Commands which have a query equivalent for readback are marked with in the following Parameters are generally passed to the N2400 with the set version of the command but no parameters are passed for the query version For example ESE 3 set the Event Status Enable register to 0000011 ESE query the Event Status Enable register CLS Clear Status Command Clear all event registers and the error queue ESE Program query the state of the Event Status Enable register 8 bits N2400 returns decimal value ESR Standard Event Status Register Query Query the state of the Event Status register N2400 returns decimal value IDN Identification Query N2400 returns manufacturer model number serial number firmware version OPC Set query the Operation Complete bit in the Standard Event Status Register after all pending commands have been executed Not currently supported RST Reset Command Return the device to the RST default conditions SRE Program query the Service Request Enable register Not currently supported STB Read Status Byte Query Query the Status Byte Register N240
36. hould be lit The rear panel device status LEDs should go through a startup sequence when the power is applied When the N2400 has started correctly the status LED on the rear panel will be green but the link LED will be off This shows that the N2400 processor is running but that the N2400 is not yet established on a communication loop nor is handling I O 9 1 2 Manual control from the front panel At this stage you may wish to confirm that an actuator can be driven under manual control Make up a lead for the actuator as shown in figure 6 Rtn Solenoid 24 VDC switched Switch Switch In limit Figure 6 Actuator test lead View on N2400 connector solder side of mating connector CAUTION N2400 User Manual N2400 UM 140606 Page 20 of 56 PSI System Controls and Diagnostics If you are bench testing a pneumatic actuator with gas pressure applied the mechanism will move Be sure that this is safe and beware of any trap or pinch hazards Turn the switch for the channel you are testing to the manual position You should see the manual mode indicator LED illuminate The in out switch should now energize and de energize the solenoid If the solenoid is part of a solenoid valve you can often hear the valve switching and there may be an indicator on the valve to confirm the switching If the gas pressure is on and the actuator is correctly set up then it will move Check the limit switch LEDs illumi
37. internal automatically re setting PTC fuse rated at 2 5 A The nominal maximum load if 75 mA is being supplied to every actuator output is 2 0A However the external supply should in no circumstances be rated higher than the N2400 connector limit of 5 A and a maximum of 3 0 A is recommended 8 3 Connection to equipment Figure 5 shows in schematic form a typical installation to control and read a suite of pneumatic actuators Only one actuator is shown of a possible maximum of twenty four The N2400 front panel has a blank area below each switch pair where you can affix system specific identification of the actuator connected to that channel A switched 24 VDC output from the N2400 energizes or de energizes the solenoid valve on the actuator which thus directs gas pressure to one or other of its output ports causing the actuator to drive to the relevant physical limit Microswitches or similar potential free contact devices fitted to the actuator assembly close to pull down the N2400 opto coupler limit switch inputs when the actuator is at end of travel N2400 User Manual N2400 UM 140606 Page 18 of 56 PSI System Controls and Diagnostics The N2400 is shown on a fiber optic communication loop under control of one of the Pyramid Technical Consultants Inc loop controllers A360 A500 A560 or other product with a fiber optic loop port Software on the host computer exposes the I O provided by the N2400 Pneumatic actuator
38. ive status link Three LEDs fiber optic USB RS 232 Communications options Fiber optic 10 Mbit sec Ethernet connection through A360 A500 or A560 loop controllers USB 3 Mbit sec RS 232 up to 115 kbit sec Power input 24 VDC 2 V 200 mA standby no actuators driven 50 mA additional typical per driven solenoid Input fuse rating 2 5 A N2400 User Manual N2400 UM 140606 Page 12 of 56 PSI System Controls and Diagnostics Case Stainless steel sheet aluminium alloy front panel Case protection rating The case is designed to rating IP43 protected against solid objects greater than 1mm in size protected against spraying water Weight 3 6 kg 8 0 Ib Operating environment 0 to 35 C 15 to 25 C recommended 8096 humidity non condensing vibration 0 2 g all axes 1 to 100Hz Shipping and storage 10 to 50C environment 8096 humidity non condensing vibration 2 g all axes 1 to 100 Hz Dimensions 2U 19 chassis 281 mm deep see figures 1 and 2 N2400 User Manual N2400 UM 140606 Page 13 of 56 PSI System Controls and Diagnostics 7 Chi 7 Ou REAR le Ey BOBO 2999009000 INS S poeococoo ooooooosoQ USB Re232 f ADDRESS MX NG GROUND LUG SELECTOR FIBER OPTI
39. n nennen enne 20 9 1 3 Remote control in ASCII mode eiie neither een t e ente ein ena ete egre tuo 21 10 Using the PSI DiagnosticG1 Host Program 4 e eeeee eese eee ene en none nennen tnn etn tons tans tns en sense enses essen neca 24 10 1 Installing the PSI Diagnostic Program eene nnne nennen teen E nennt netten eterne 24 N2400 User Manual N2400 UM 140606 Page 2 of 56 PSI System Controls and Diagnostics 10 2 Establishing communication with the N2400 iii 24 10 3 Inn res a ei a 25 10 4 Setup QD rss NAS 27 10 5 IARE Re is LEE RME A Re PE EN EE BANANA da cl ile EE 27 11 Other Host Computer Softwar e scsscsssscssscsscsssssccscesscessssscssesssesscesscescssssssesssessscsssesscssssssesssesssessesees 29 12 CONNECTIONS DTE 9 32 12 1 Rear panel Comes f e cett defen epe ee tke ee Pea ethic ORG 32 12 1 1 Actuator control and readback ii nnne a Ea enn 32 12 1 2 Posvernput tin HI EH re e Hee t dto e e e debetis 32 12 1 3 Fiber optic communications sessions 32 12 1 4 USB cofmnunicattois eerte tte eere ce LU DA KERI 32 12 1 5 RS 232 communications eet cteeo ne MM Un ID nr en DALIN a de 33 12 2 Alternative actuator connections N2400 D25 model ss 33 12 2 1 Na NG NIT gie AA 33 12 2 2 Limit switch readback 00000110 10700000 0 EE 33 13 Controls and Indicators etie odere ka NAANTALA mis enel ee aeos seen
40. nal view on connector solder side of mating plug 1 Switched 24 VDC out 1 13 14 24V rtn 2 Switched 24 VDC out 1 13 15 24 V rtn 3 Switched 24 VDC out 1 13 16 24 V rtn 4 Switched 24 VDC out 1 13 17 24 V rtn 5 Switched 24 VDC out 1 13 18 24 V rtn 6 Switched 24 VDC out 1 13 19 24 V rtn 7 Switched 24 VDC out 1 13 20 24 V rtn 8 Switched 24 VDC out 1 13 21 24 V rtn 9 Switched 24 VDC out 1 13 22 24 V rtn 10 Switched 24 VDC out 1 13 23 24 V rtn 11 Switched 24 VDC out 1 13 24 24 V rtn 12 Switched 24 VDC out 1 13 25 24 V rtn 13 Shield 12 2 2 Limit switch readback Four twenty five pin Dsub female J3 J6 N2400 User Manual N2400 UM 140606 Page 33 of 56 PSI System Controls and Diagnostics External view on connector solder side of mating plug 1 Limit in 1 7 13 19 14 24 V rtn 2 Limit out 1 7 13 19 15 24 V rtn 3 Limit in 2 8 14 20 16 24 V rtn 4 Limit out 2 8 14 20 17 24 V rtn 5 Limit in 3 9 15 21 18 24 V rtn 6 Limit out 3 9 15 21 19 24 V rtn Hi Limit in 4 10 16 22 20 24 V rtn 8 Limit out 4 10 16 22 21 24 V rtn 9 Limit in 5 11 17 23 22 24 V rtn 10 Limit out 5 11 17 23 23 24 V rtn 11 Limit in 6 12 18 24 24 24V rtn 12 Limit out 6 12 18 24 25 24V rtn 13 Shield N2400 User Manual N2400 UM 140606 Page 34 of 56 PSI
41. nate at the ends of travel either by pressing the switches directly or allowing the motion to actuate them 9 1 3 Remote control in ASCII mode The simplest way to establish communications from a host computer for the first time 1s to use the N2400 RS 232 serial port and the ASCII communications protocol This way you can establish remote control without needing to install any new software on your PC as a basic terminal program such as Hyperterminal or puTTY is sufficient Make a connection to a PC serial port A three wire lead terminated in a six pin mini DIN male connector PS 2 mouse type and a nine pin D female is required Alternatively you can use a standard 9 way serial cable plus the ADAP D9F MINIDIN adaptor When the connector is pushed home in the N2400 the optical LED should extinguish and the RS232 should illuminate Connecting to this port forces the N2400 to be a listening device 6 pin mini DIN male Pins are shown looking at the face of the N2400 connectors solder side of cable Connectors 9 pin D female Figure 7 RS232 connection cable from the N24000 to a PC serial port DB9 Set the address rotary switch to position 4 address 4 this is an arbitrary example and the mode rotary switch to position 6 ASCII communication 115 kbps Configure a terminal session to use COMI or other available port on your PC The following figures illustrate this using Windows Hyperterminal N2
42. nconnected state if no valid message is received in the timeout period ERRor Query the next error in the error event queue FREQUENCY Frequency in Hz lt Hz gt Not used by the N2400 PASSword Q Password string lt pass gt Password string Set query the administrator password pass to allow access to protected functions The default is 12345 SAFEstate Q Safestate enable 011 Safestate enable setting Set query whether the N2400 goes to the safe state when unconnected 0 do not go to safe state 1 go to safe state Safe state is all outputs off SERIALnumber Q Serial number string lt serial gt Serial number string Set query the serial number lt serial gt of the N2400 max 10 alphanumeric characters Password protected VERSion SCPI version string Query the SCPI standard version N2400 User Manual N2400 UM 140606 Page 47 of 56 PSI System Controls and Diagnostics 16 2 ASCII Protocol Terminal Mode SCPI is not ideal for a user trying to control the N2400 from a terminal program A more interactive terminal mode can be turned on by sending the command SYSTem COMMunication TERMinal 1 After this command is executed the N2400 will provide a response to every command Valid query commands will get their normal reply Other commands will generate an lt OK gt response if they were
43. ndled by a host computer system communicating with the N2400 via one of its data interfaces However any channel can also be put into manual control by a front panel switch and the actuator position is then determined by the corresponding front panel position switch The host computer if connected is still able to read back the limit switch state when manual control is asserted The N2400 can control directly any actuator systems which are controlled by 24 VDC levels with maximum current requirement in the on condition of 75 mA A typical example is the SMC SY300 series which has a DC solenoid rating of 0 45 W maximum More complex actuators for example three position systems which are driven by two cylinders each with its own solenoid valve can also be controlled but now the host software system must implement the necessary state machine and handle any constraints The N2400 has design features which make it tolerant of electrically noisy environments but the place of use is otherwise assumed to be clean and sheltered for example a laboratory or light industrial environment The unit may be used stand alone or networked with other devices and integrated into a larger system Users are assumed to be experienced in the general use of precision electronic circuits for sensitive measurements and to be aware of the dangers that can arise in high voltage circuits 6 2 Key Features 24 independent channels Individual manual control can be sele
44. nostics 4 Scope of Supply N2400 model as specified in your order PSU24 40 1 power supply ADAP D9F MINIDIN Adaptor cable for RS 232 port USB memory stick containing User manual PSI diagnostic software files USB drivers and utilities Test results Optional items as specified in your order Note OEM customers may not receive all items N2400 User Manual N2400 UM 140606 Page 9 of 56 PSI System Controls and Diagnostics 5 Optional Items 5 1 Power supplies PSU24 40 1 24 VDC 40 W PSU 100 250 VAC 50 60 Hz IEC C14 3 pin plug receptacle with output lead terminated in 2 1mm threaded jack 5 2 Data cables CAB ST HCS 10 ST Fiber optic cable 200 um silica ST terminated 10 A pair of fibers is required to make up a point to point connection 5 3 Fiber optic loop A360 two port fiber optic loop controller Ethernet adaptor A500 intelligent real time controller with Ethernet interface A560 intelligent real time controller with 10 fiber optic loop ports and Ethernet interface N2400 User Manual N2400 UM 140606 Page 10 of 56 PSI System Controls and Diagnostics 6 Intended Use and Key Features 6 1 Intended Use The N2400 is intended for 24 VDC solenoid valve control and limit switch readback from pneumatic actuator motion systems Up to 24 independent channels can be controlled each with a single control output and two limit switch readbacks Control and monitoring will generally be ha
45. ode releases will be provided by your supplier or can be downloaded from the Pyramid Technical Consultants Inc website The hex file can be loaded using the PSI Diagnostic host without any need to access the unit The upload can be performed directly from the PC host On the Device tab click the Select hex file button and navigate to the relevant file The code will then load The process takes about 20 seconds and the N2400 will start running the new code immediately A future FPGA code revision may introduce uploadable FPGA code In this case there will be a fhex file which will be loaded in a similar manner to the PIC application code N2400 User Manual N2400 UM 140606 Page 38 of 56 PSI System Controls and Diagnostics amp PSI Loop Diagnostic v4 01 mI x amp A500 192 168 100 22 100 amp Loop 2 EN MANIA amp N2400 4 Address 4 on Loop 2 on A500 192 168 100 22 100 Comms ERES Device Communication SYSTem Properties Utilities Messages Sent SAFEstal o r Device Version a Application 16404 M 4 0 Select hex file q_ 2 COMMTERM o FPGA Versi Checksum Errors GE re commence Je 4104 Ea FREQuency Echo Errors 60 Hz Y du Lookin Firmware Oc p SERIALnumber Danfysik 2008 5 09 Timeouts 0000000912 p
46. onsultants Inc PSI Diagnostic v3 26 Select Ports for Autodetect Below r COM3 r COM1 r LAN Broadcast Add IP 192 168 2 3 100 Start Cancel Figure 11 PSI Diagnostic Search Utility adding a target IP address and port Check that the target port is checked for inclusion in the search and click the Start button The autodetection process will start figure 10 R RAMID Technical Consultants Inc PSI Diagnostic v3 26 Detecting Hardware O r COM3 r COM1 CT or LAN Broadcast Add IP Remove IP Cancel Figure 12 PSI Diagnostic Search Utility detection in progress After a few seconds the program should find the N2400 plus any other devices you have connected You should see the receive and transmit LEDs illuminate on the N2400 rear panel 10 3 Data tab Clicking on the N2400 entry in the explorer list will open the N2400 window figure 13 The basic interface is very simple There are switches to set the digital output states and LEDs which show the digital input states N2400 User Manual N2400 UM 140606 Page 25 of 56 PSI System Controls and Diagnostics PSI Loop Diagnostic v3 26 Actions Window Help Baju 66 o Z A500 192 168 2 3 100 amp Loop 2 BH N2400 4 4 N2400 4 Address 4 on Loop 2 on A500 192 168 2 3 100 Connected Pending Error Channel 1 Channel 2 Channel 3 Channel
47. tion for the PSI DiagnosticGl software A convenient and widely supported means of connecting to a large scale system is to use the EPICS protocol http www aps anl gov epics The Pyramid IG2 software is available to connect Pyramid devices to EPICS using the Channel Access Server method Once the controls and readbacks are exposed to EPICS via IG2 then you can use one of several freely available packages to deliver the data to a suitable software environment for example LabView Python MatLab C C Control System Studio is an easy to use interface development tool that is s also available to download http controlsystemstudio org N2400 User Manual N2400 UM 140606 Page 29 of 56 PSI System Controls and Diagnostics Circuit overview The N2400 circuitry is split over three types of printed circuit boards main processor and communications board switch board three eight channels per board connector board The following block schematic shows one I O channel The I O components are repeated to give the twenty four channels Pwr status 41 5V H 24V DC in 3 3V 5V 24V 24V O p ctrl DGnd 24 V In Out K9 Comms switch oO port sense LEDs FPGA Auto Man USB DGnd switch aus b sense gt A gt Out limit 24 V 4 DGnd imi tr limiit Fiber optic Status amp Micro comms
48. usa com stating model serial number nature of fault An RMA will be issued including details of which service center to return the unit to N2400 User Manual N2400 UM 140606 Page 53 of 56 PSI System Controls and Diagnostics 21 Disposal We hope that the N2400 gives you long and reliable service The N2400 is manufactured to be compliance with the European Union RoHS Directive 2002 95 EC and as such should not present any health hazard Nevertheless when your device has reached the end of its working life you must dispose of it in accordance with local regulations in force If you are disposing of the product in the European Union this includes compliance with the Waste Electrical and Electronic Equipment Directive WEEE 2002 96 EC Please contact Pyramid Technical Consultants Inc for instructions when you wish to dispose of the device N2400 User Manual N2400 UM 140606 Page 54 of 56 PSI System Controls and Diagnostics 22 Declaration of Conformity Declaration of Conformity Issued by Pyramid Technical Consultants Inc 1050 Waltham Street Lexington MA 02421 USA The undersigned hereby declares on behalf of Pyramid Technical Consultants Inc that the referenced product conforms to the provisions as listed Refer to the document Extension of testing and analysis to the PTC product line December 10 2007 and the 1400 Technical Construction File for detailed testing information Product
49. ve the required data terminated with the CR LF sequence If the host is not requesting data no no other bytes will be transmitted after the ACK If the N2400 generates an error when executing the host command it will transmit a single BELL 0x07 as its response A computer running a terminal program will therefore beep when the N2400 cannot execute a command for example due to incorrect syntax A more interactive terminal mode can be selected which modifies this behavior to make the N2400 more user friendly when it is being driven from a terminal program Device addressing is performed using the special command Addressing is only necessary for devices linked by a fiber optic loop but a device is made the listener when the host sends ADDRESS For example 4 will make the device with address 4 the listener You must ensure that all devices on the same communications channel have unique addresses AII subsequent commands sent without address will be listened and responded to by device 4 only The host message asks who the listener is The command can be sent as a compound message such as 3 IDN N2400 User Manual N2400 UM 140606 Page 43 of 56 PSI System Controls and Diagnostics 16 1 2 Status registers The N2400 implements the IEEE 488 2 status register method Each of the registers is masked by a corresponding enable register It is recommended that you set all the enable registers to all 1 s
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