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Sample Sequencer

                                                         

General Description

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 

 

FIGURE 3 - Batch Mode Sample Sequencer System with Manifolded Sample Valve, Recorder, Alarm 

Annunciator and Network Computer Communications  

(See Appendix D for use with Hach analyzer.)

 

 
 

 

 

 

FIGURE 4 - Sample Sequencer System for Sensor Switching 

SENTRY

 

Equipment Corp • P. O. Box 127 • Oconomowoc, WI  53066 • 262/567-7256 • FAX: 262/567-4523 

Web: www.sentry-equip.com • e-mail: [email protected] 

 13 

Summary of Contents for Sample Sequencer

Page 1: ...Sample SequencerTM Installation Operation and Maintenance Manual SPD 5 5 5 Rev 9 2 00 Web www sentry equip com e mail sales sentry equip com...

Page 2: ...ting Modes 25 Off 25 Cycle 25 Batch 28 Turning Sample Streams On Off 29 Advancing Streams 30 Holding on One Sample Point 30 Alarms 30 Sample Nametag 32 INSTALLATION 33 Unpacking 33 Mounting 33 Power a...

Page 3: ...Switching Output Board 63 APPENDIX B Recommended Piping for Sample Sequencer 64 APPENDIX C Procedure to Configure Remote Electronic Track Hold Board for 220 240 VAC Operation 65 APPENDIX D Instruction...

Page 4: ...Assembly Rear View 40 Figure 18 Sample Sequencer Assembly with Plug In Track Hold 41 Figure 19 Recorder Connections Signal Switching Using Signal Switching Output Board 42 Figure 20 Recorder Connecti...

Page 5: ...hich have internal track and hold have passed applicable tests for the European Community 89 336EEC EMC Directive The product is marked and shipped with a Declaration of Conformity Contact Sentry Equi...

Page 6: ...zer system alarm indication for each point Optional Input Output Boards Plug in 0 1VDC Output Board with eight DPDT relays for 0 1 VDC output of sample point number The second pole of each point relay...

Page 7: ...on board One LED is for Off status and eight LEDs are for point number indication Enclosure optional for remote mounting NEMA 4X IEC 529 IP 67 with knockouts Specification for Signal Switching Output...

Page 8: ...sample lines The hold feature permits the last reading for each of four channels to be held until the next sequenced reading for the respective channel occurs Use of the card prevents the non active...

Page 9: ...e dwell time and the hold mode where the output value is held via digital memory until the next dwell time This card is ideal for applications with analyzers being sequenced between multiple sample li...

Page 10: ...6 Adjustments Offset and Gain potentiometers for each output channel Operating Temperature 5 to 70 C Operating Humidity 90 RH max non condensing Weight 5 oz SENTRY Equipment Corp P O Box 127 Oconomowo...

Page 11: ...hazard shall be used DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury WARNING Indicates a potentially hazardous situation that could resu...

Page 12: ...e or more sequencers for remote monitoring control and data acquisition Plug in output boards are supplied to switch the analyzer analog signal to different recorder points or to provide contact closu...

Page 13: ...uter Communications FIGURE 2 Sample Sequencer with Remote Electronic Track Hold Board FIGURE 2 Sample Sequencer with Remote Electronic Track Hold Board Manifolded Sample Valve Recorder Alarm Annunciat...

Page 14: ...alve Recorder Alarm Annunciator and Network Computer Communications See Appendix D for use with Hach analyzer FIGURE 4 Sample Sequencer System for Sensor Switching SENTRY Equipment Corp P O Box 127 Oc...

Page 15: ...p P O Box 127 Oconomowoc WI 53066 262 567 7256 FAX 262 567 4523 Web www sentry equip com e mail sales sentry equip com 14 Figure 5 Sample Sequencer with Plug In Electronic Track Hold Board Manifolded...

Page 16: ...for all of the analog signals For example it can be used when a two channel recorder is available to sequence more than two streams In addition it can be used if each sample stream goes through multi...

Page 17: ...patented design incorporates block and bleed design and provides continuously flowing samples with no areas for cross contamination to occur The valve is available with a variety of DC and AC solenoid...

Page 18: ...ction indicated by the display function light which is on Display function lights Indicates which function CYCLE TIME DELAY TIME DWELL TIME ANALOG mA LOW ALARM HIGH ALARM or STATION NUMBER is currentl...

Page 19: ...e Sequencer Operation SENTRY Equipment Corp P O Box 127 Oconomowoc WI 53066 262 567 7256 FAX 262 567 4523 Web www sentry equip com e mail sales sentry equip com 18 FIGURE 6 Sample Sequencer Membrane S...

Page 20: ...ld board s is used Select the ON position if either the Signal switching 0 1 Volt DC output or remote track hold board are used SW1 3 enables the calibration mode Turn the switch On when the ANALOG mA...

Page 21: ...Sample Sequencer Operation SENTRY Equipment Corp P O Box 127 Oconomowoc WI 53066 262 567 7256 FAX 262 567 4523 Web www sentry equip com e mail sales sentry equip com 20 FIGURE 7 I O Board Arrangement...

Page 22: ...s will force the Sample Sequencer to an OFF mode START RESET If the key is pressed or the power is turned on the Sample Sequencer resets reinitializes and restarts with the first on point The previous...

Page 23: ...bove the left arrow NEXT shifts the active digit one to the left The active digit may be incremented using the aforementioned up arrow key Each pressing of the key above the right arrow key ALARM RESE...

Page 24: ...mputer connected to the communication port LOW ALARM LEVEL The programmable low alarm level in milliamps is displayed for each sample point Pressing the NEXT key displays successive values To reprogra...

Page 25: ...similar to that described for programming the alarms See the manual section on communications for more information about the network communications SENTRY Equipment Corp P O Box 127 Oconomowoc WI 530...

Page 26: ...through the Sample Sequencer after the delay time period for the dwell time duration When using the Sample Sequencer for sensor switching the only difference from stream switching is that the sensor s...

Page 27: ...end on the destination device such as a data logger computer recorder etc for both the analog data and the alarm output The output signal must be valid for this whole DWELL time For instance if output...

Page 28: ...mple Sequencer Operation FIGURE 8 Cycle Mode Timing Diagram SENTRY Equipment Corp P O Box 127 Oconomowoc WI 53066 262 567 7256 FAX 262 567 4523 Web www sentry equip com e mail sales sentry equip com 2...

Page 29: ...s 5000 analyzer operates in this manner See Appendix D for instructions about connecting a Hach 5000 analyzer to the Sample Sequencer An End of Analysis contact closure signal is often provided at the...

Page 30: ...The cycle time should be set at a value greater than the analyzer batch process time DELAY TIME begins when the end of analysis signal is received and until valid outputs from the analyzer are availab...

Page 31: ...sample point alarm condition is corrected and then sampled again or 2 the ALARM RESET switch is pressed while not dwelling on the alarming sample point The analog alarm may also be annunciated by cont...

Page 32: ...s desired upon analyzer system alarm During batch mode operation the Sample Sequencer will initiate an analyzer system alarm if an end of batch signal is not received before the end of the cycle time...

Page 33: ...er on one of the corners The nametag slips into the pocket on rear of the display One may type the desired sample names slightly above the respective lines and insert the nametag back into the display...

Page 34: ...d and should be placed between the Sequencer and panel front See Figure 11 for panel mounting information If the Sample Sequencer will not be panel mounted the optional NEMA 4X rear cover plate may be...

Page 35: ...Installation FIGURE 11 Panel Mounting Overall Dimensions Sample Sequencer SENTRY Equipment Corp P O Box 127 Oconomowoc WI 53066 262 567 7256 FAX 262 567 4523 Web www sentry equip com e mail sales sen...

Page 36: ...NEMA 4X Rear Cover Surface Mounting S l S FIGURE 13 Enclosure Overall Dimensions Remote Track Hold SENTRY Equipment Corp P O Box 127 Oconomowoc WI 53066 262 567 7256 FAX 262 567 4523 Web www sentry eq...

Page 37: ...encer Installation SENTRY Equipment Corp P O Box 127 Oconomowoc WI 53066 262 567 7256 FAX 262 567 4523 Web www sentry equip com e mail sales sentry equip com 36 Figure 14 Remote Valve Board Enclosure...

Page 38: ...instrument quality power if desired Install according to local codes and procedures Any cables connecting to the Sequencer which are over 32 ft 10 m in length should also have surge protection devices...

Page 39: ...yzer to send an end of analysis signal Note These terminals are not used when operating the Sample Sequencer in the cycle mode If using a Hach 5000 analyzer see Appendix D Connections to Valve Output...

Page 40: ...ut using 3 8 cable with Sentry valve 5 The valve board in the standard Sample Sequencer comes pre wired to the I O Board If using the optional remote valve output board then connect the 22 gauge seven...

Page 41: ...gnal Switching output board 0 1 VDC output board and the plug in electronic track hold board See General Description for more information about these boards Figure 17 and 18 shows the Sample Sequencer...

Page 42: ...Installation Figure 18 Sample Sequencer Assembly with Plug in Track Hold SENTRY Equipment Corp P O Box 127 Oconomowoc WI 53066 262 567 7256 FAX 262 567 4523 Web www sentry equip com e mail sales sent...

Page 43: ...eries to the I O board and terminals and on J1 of the signal switching output board 2 Connect recorder signals R1 through R8 on the output board to the corresponding input terminals of the recorder or...

Page 44: ...the output board to a negative terminal on the recorder Jumper the recorder terminals together 4 Install the signal switching output board in either of two slot locations marked on the Sample Sequence...

Page 45: ...sequencing two or more sample streams to one or more analyzers The recorder must have minimum two channels plus one extra channel for each extra analyzer Figure 21 shows the wiring connections for a s...

Page 46: ...annel Connect the analyzer terminal to the recorder terminal If using one analyzer go to step 3 2B If using two or more analyzers Select one of the analyzers for imputing its signal to the Sequencer P...

Page 47: ...s as desired Figure 22 shows how to connect the board Wiring to the Remote Electronic track hold Board Figure 22 1 The analyzer 0 20 mA analog output signal or 4 20 mA is connected to the Sample Seque...

Page 48: ...isting Sequencer in the field see Appendix G The plug in track hold may be configured to provide a dual output of one point See Appendix F Wiring to the Plug In Track Hold Board Figure 23 1 The analyz...

Page 49: ...the analyzer to the Sequencer Alarm signals in the form of normally open dry contacts are available from the Sample Sequencer when a signal switching or 0 1 VDC signal switching output board is suppli...

Page 50: ...not connect analyzer low or high alarms to the Sequencer Starting Up The Sample Sequencer Upon completing connection of the Sample Sequencer to the analyzer valves recorders etc as described above th...

Page 51: ...d boards approximately one inch The calibration potentiometers are visible on the left edge from front of Sequencer of the display board 6 Verify the boards are still plugged into the display board 7...

Page 52: ...matches the input signal 8 Repeat steps 5 through 6 until GAIN and OFFSET provide the correct signals 9 Repeat steps 4 through 7 for LOOP2 TB5 LOOP3 TB4 and LOOP4 TB3 The respective GAIN and OFFSET p...

Page 53: ...ith the milliampere calibration signal 13 Turn off power to the Sequencer Remove the milliampere power source and meter 14 Turn DIP switch SW1 3 off This switches the Sequencer back to normal mode of...

Page 54: ...l Polarity 1 Verify the input signal from analyzer is 0 20 mA 2 Verify the analog signal polarity is correctly connected to the I O board terminals and on J4 Incorrect valve operates Wiring 1 Verify t...

Page 55: ...sequencer are not for low or high alarms from analyzer 1 Verify the analyzer end of batch signal is properly wired to I O board 1 Increase the cycle time setting to allow more time for analyzer to co...

Page 56: ...with a RS 485 communications card Simple RS 485 to RS 232 converters are available if required Sentry offers a software program SEQUENCE to conveniently provide network communications with a PC SEQUE...

Page 57: ...Rubout Unused numbers are reserved for station numbers of other controllers Each station reads every valid byte sent by the computer or another station The station number in 0 to 7 form is OR d to 100...

Page 58: ...ease do not return any equipment before discussing your application problem with a Sentry representative and obtaining a Return Authorization Sentry Equipment Corp has a complete staff of trained Serv...

Page 59: ...02547A Sample name tag Fuse 1 amp used on valve output and signal switching boards 4 02055B Fuse 3 amp used on I O circuit board 4 02055C Fuse 1 amp used on remote track hold board 4 05086A Enclosure...

Page 60: ...ng Valves Consult Sentry representative Sentry Sample Coolers Consult Sentry representative Sentry Back Pressure Regulator 20 psi Relief Valve BPR RV 7 00868A Sentry Flow Indicator with control valve...

Page 61: ...shall not be subject to any other obligations or liabilities whatsoever with respect to products manufactured or furnished by it or any undertakings acts or omissions relating thereto 3 0 Warranty Con...

Page 62: ...Number date purchased and months in operation Model Number and serial number of item being returned Description of the problem you experienced with the equipment Important Notes 1 Completely describe...

Page 63: ...bove 30 VDC and 1A The unregulated 6 VDC can power a remote relay coil used to switch a high voltage signal Procedure to Configure the Sample Sequencer to Output 6 VDC on Alarm Contacts 1 Disconnect p...

Page 64: ...o analysis Note Some analyzers may recommend a different sample temperature be used to accelerate the analysis process Appropriate sample coolers or heaters may be required Consult the pressure and te...

Page 65: ...0 VAC 1 Remove the zero ohm resistor jumpers at W1 W3 W4 W6 W7 and W9 on solder side of the remote electronic track hold board Refer to Figure C1 2 Install jumpers at W2 W5 and W8 on solder side Use z...

Page 66: ...sition This will enable the Extended Diagnostic menu Switch SW1 is an 8 switch DIP located near center of circuit board 2 Return to the front of the control panel and press the TEST key Using the NEXT...

Page 67: ...oard Remove the back cover 3 Turn ON the 1 DIP switch S1 by pressing it This puts the analyzer in the Extended Diagnostic menu 4 Press the TEST key 5 Using the NEXT key scroll through the diagnostic m...

Page 68: ...alyzer alarm light on the Sample Sequencer annunciates and the Sequencer turns OFF This is the reason for the above large cycle time recommendation 1 The cycle time is programmed significantly longer...

Page 69: ...am Hach analyzer to output end of measurement signal contact closure on Relay 4 4 If remote track hold option is used with Sample Sequencer the 4 20 mA REC OUT signal is also connected in series to th...

Page 70: ...ENTRY Equipment Corp P O Box 127 Oconomowoc WI 53066 262 567 7256 FAX 262 567 4523 Web www sentry equip com e mail sales sentry equip com 69 Figure D2 Recommended Sample Conditioning for Switching Str...

Page 71: ...No 30499 00 at end of this manual Figure D3 Transmittal Sample Sequencer and Manifold Valves Electrical SENTRY Equipment Corp P O Box 127 Oconomowoc WI 53066 262 567 7256 FAX 262 567 4523 Web www sent...

Page 72: ...wing No 30499 00 at end of this manual Figure D4 Transmittal Sample Sequencer and Manifold Valves SENTRY Equipment Corp P O Box 127 Oconomowoc WI 53066 262 567 7256 FAX 262 567 4523 Web www sentry equ...

Page 73: ...e Sequencer Basic Electrical Wiring Diagram FIGURE E1 Sample Sequencer Basic Electrical Wiring Diagram SENTRY Equipment Corp P O Box 127 Oconomowoc WI 53066 262 567 7256 FAX 262 567 4523 Web www sentr...

Page 74: ...d points 1 and 3 and 2 and 4 will output the same sample point analog value Slot number 9 Track Hold Board points 5 and 7 and 6 and 8 will output the same sample point analog values Dual outputs may b...

Page 75: ...old is installed into number 2 slot 4 Turn Off Points 7 and 8 at sample sequencer front membrane when Plug In Track Hold is installed into number 9 slot 5 You will now have dual outputs for sample poi...

Page 76: ...ith dual point plug in electronic Track Hold DCS Recorder Analyzer Configuration In dual point mode Labeled Point 3 Provides same analog output as Point 1 Labeled Point 4 Provides same analog output a...

Page 77: ...it The valve board must be located remote from Sequencer in order to install two plug in track hold boards 4 At the I O board located on far right as viewed from rear disconnect the power supply wires...

Page 78: ...a meter one should measure a minimum 6 VDC across terminals 6 and on J1 of the I O board The old power supply is inadequate when using plug in track hold 13 Note Your plug in track hold board has a t...

Page 79: ...a 0 20 or 4 20 analog value in milliampere form The following procedures configure the circuit board see Figure H1 to operate with a voltage input of 0 1VDC 0 5 VDC or 0 10 VDC Figure H1 Configuring...

Page 80: ...sistor1 to on TB2 Connect the Vin positive wire to the resistor Sentry Equipment recommends soldering the positive wire to the resistor and covering the solder connection with heat shrink tubing 1 1 4...

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