Campbell CH201 Product Manual Download Page 1 | Manualshive

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06/2020

Copyright

©

2020

Campbell

Scientific

CSL I.D - 1352

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Summary of Contents for CH201

Page 1: ...06 2020 Copyright 2020 Campbell Scientific CSL I D 1352 ...

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Page 3: ...s under guarantee or not Please state the faults as clearly as possible and if the product is out of the guarantee period it should be accompanied by a purchase order Quotations for repairs can be given on request It is the policy of Campbell Scientific to protect the health of its employees and provide a safe working environment in support of this policy a Declaration of Hazardous Material and De...

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Page 5: ...s digital cell phones and aerials may also not be applicable according to your locality Some brackets shields and enclosure options including wiring are not sold as standard items in the European market in some cases alternatives are offered Details of the alternatives will be covered in separate manuals Part numbers prefixed with a symbol are special order parts for use with non EU variants or fo...

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Page 7: ...e beginning work Wear a hardhat and eye protection and take other appropriate safety precautions while working on or around tripods and towers Do not climb tripods or towers at any time and prohibit climbing by other persons Take reasonable precautions to secure tripod and tower sites from trespassers Use only manufacturer recommended parts materials and tools Utility and Electrical You can be kil...

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Page 9: ...r SDI 12 or RS 232 communications 12 6 5 Turn on power source 12 6 6 Turn on CH201 12 6 7 Optional Configure using Device Configuration Utility 12 6 7 1 Battery families and capacity 15 7 Operation 19 7 1 Charging algorithm 19 7 2 Maximum power point tracking 20 7 3 Communications 21 7 3 1 SDI 12 communications 23 7 3 1 1 SDI 12 commands 24 7 3 1 2 CRBasic programming 25 7 3 2 RS 232 communication...

Page 10: ...Appendix A Downloading an operating system 31 Table of Contents ii ...

Page 11: ...erters For wind turbines charging source unloading can cause free spinning Consequently do not use series charging regulators such as the CH201 to regulate wind turbine outputs without a method to load the turbine when the batteries require little or no charging current The CH201 has several safety features that protect the charging source battery charger and load devices Both the DC In 1 and DC I...

Page 12: ...se The CH201 internal temperature measurement only accurately represents battery temperature for charge voltage compensation if the battery is next to the CH201 To overcome temperature differences use the CH201 serial interface to input an independently measured battery temperature for improved charging temperature compensation With rechargeable batteries a charge discharge recharge event is terme...

Page 13: ...Initial inspection Upon receipt of the CH201 inspect the packaging and contents for damage File damage claims with the shipping company 4 Overview FIGURE 4 1 p 4 provides a simplified schematic of the CH201 charging regulator See Table 5 1 p 7 for rechargeable batteries offered by Campbell Scientific CH201 12V Charging Regulator 3 ...

Page 14: ... polarity inputs however will NOT damage the CH201 The DC In input terminals have an input current limit of approximately 10 amps making the CH201 well suited for 170 watt or smaller solar panels Higher powered solar panels may not damage the CH201 but the additional power likely won t be fully used Additionally each input has a programmable current limit See Optional Configure using Device Config...

Page 15: ...sing SDI 12 or RS 232 as indicated in FIGURE 7 3 p 23 and FIGURE 7 4 p 26 See Communications p 21 for details 4 1 Communications interface The CH201 can send data to the user to observe and manage power requirements and possible problems It can also be configured to work with a wide range of batteries and input power supplies and test the existing battery system for possible shorting and sulfation...

Page 16: ... 2 CH201 COM terminals 5 Specifications Operational Temperaturea 40 to 60 C Dimensions 11 40 x 10 08 x 3 38 cm 4 49 x 3 97 x 1 33 in SOLAR Terminals Solar Panel or Other DC Source b Input Voltage Range 15 to 50 VDC Maximum Charging Current 10 A Power Out 12 terminals Voltage Unregulated 12 V from battery 4 6 A solid state circuit breaker Self resettable thermal Battery Chargingc CYCLE Charging Vba...

Page 17: ... lead acid batteries Cycle and float charging voltage parameters are programmable with the default values listed d Impulse type changes in current may have an average current measurement error of 10 of reading 2 mA Table 5 1 Available Campbell Scientific battery packs Battery Pack Model Amp Hour Capacity Ah Operating Temperature Range1 ºC Battery Family BP7 7 Charge 15 to 50 Discharge 20 to 60 Ene...

Page 18: ...itudes and less sun hours during winter months might require a larger solar panel than what is required to keep the battery charged during the summer l Use the Device Configuration Utility to change the current limit settings of DC In 1 or DC In 2 to accommodate the current limit of a charging source For example set the current limit to 1 67 A to avoid tripping the power supply when using a wall c...

Page 19: ...wer current rate A battery capacity must be configured into the CH201 to enable the more aggressive two step constant voltage charging scheme See Battery families and capacity p 15 for making changes by using Device Configuration Utility A downloadable example program using SDI 12 to set the battery capacity is available at www campbellsci eu downloads ch201 program examples FIGURE 6 1 CH201 confi...

Page 20: ...h the highest voltage will supply power to the CH201 Therefore two solar panels can face different directions to allow the solar panel facing the most direct sunlight to power the CH201 Toggle the power supply switch to Off before connecting power to the CH201 NOTE The switch on the CH201 only controls power going to the 12V terminals The battery is continuously charged regardless of the switch po...

Page 21: ...6589 Connect the red wire to the positive battery post and the black wire to the negative battery post Inset the connector into the CH201 BAT port 6 3 Connect to data logger The CH201 comes with a 1 foot black wire attached to a G terminal block and a 1 foot red wire attached to a 12V terminal block The data logger includes a voltage input terminal connector The wires from the CH201 attach to this...

Page 22: ...he charging source power or uncover the solar panel The green CHG LED should flash every 4 to 5 seconds which indicates correct incoming connections and adequate charging voltage 6 6 Turn on CH201 Toggle the switch on the CH201 supply to On Check the voltage of the attached devices by using a volt meter 6 7 Optional Configure using Device Configuration Utility Using Campbell Scientific Device Conf...

Page 23: ...ow 2 Connect to the computer using an A200 device see FIGURE 6 3 p 13 Table 7 5 p 26 and the bottom of the CH201 Device Configuration screen show wiring to an A200 FIGURE 6 3 Connecting the CH201 to a computer by using an A200 3 Select the appropriate Com Port CH201 12V Charging Regulator 13 ...

Page 24: ...t the field to be changed 7 Type a new value and press Enter If the new value is not within an acceptable range a red message will appear to the right of the new value as shown in the following image Greyed out fields cannot be changed The bottom of the Settings Editor displays a description of and information for the selected setting 8 After changing settings click Apply If the CH201 accepts the ...

Page 25: ... a file that was created earlier 6 7 1 Battery families and capacity The CH201 has built in charging algorithms for the EnerSys Genesis NP series of batteries Campbell Scientific models BP7 BP12 and BP24 EnerSys Cyclon Series Concorde Sun Xtender BP84 or it can use custom algorithms entered by the user The CH201 uses a second order polynomial to make the correct battery charging adjustments for kn...

Page 26: ... Battery Capacity to zero 0 forces the charger to only float charge the battery Battery Capacity must be changed to allow cycle charging Table 6 1 p 17 shows the default settings for each battery family The settings are based on the following equation Vcharge T C0 C1 T 25 C C2 T 25 C 2 Where T Battery temperature in C C2 0 for linear charge voltage vs temperature relation CH201 12V Charging Regula...

Page 27: ...me in three styles The first two styles are valve regulated lead acid VRLA batteries VRLA batteries are considered maintenance free because they do not require the addition of water to the cells They also vent less gas than flooded lead acid batteries l Absorbed Glass Mat AGM maintenance free battery This style of battery has the electrolyte acid absorbed and trapped in a fibreglass mat which is s...

Page 28: ...charging algorithm for cycle charging or float charging the battery Cycle charging puts a higher voltage across the battery for a short time forcing the battery to take in more current and charge faster Cycle charging is recommended for systems running on solar panels so the maximum amount of current is moved into the battery as quickly as possible Battery amp hour capacity must be known when cycl...

Page 29: ...vel is reduced from the aggressive cycle charging voltage to the non aggressive float charge voltage to prevent overcharging and unwanted gassing of the battery If the battery capacity is left at the default value of zero Qloss always equals 0 which disables cycle charging Consequently CH201 users must enter the battery capacity in the Device Configuration Utility to enable the aggressive cycle ch...

Page 30: ...rge current falls below C 100 cycle charging is terminated and Qloss is zeroed FIGURE 7 1 Two step constant voltage battery charging 7 2 Maximum power point tracking FIGURE 7 2 p 21 shows the current and power versus voltage for a 70 W solar panel The graph shows the maximum power point of operation for the solar panel Adjusting the load on the solar panel so it operates at this maximum power poin...

Page 31: ...stics 7 3 Communications SDI 12 or RS 232 communications can be used to monitor the status of the battery charging source and charging regulator Table 7 1 p 22 lists the measurements available for both communications modes CH201 12V Charging Regulator 21 ...

Page 32: ...2 Response SDI 12 Meaning 0 NONE 1 DC In 1 2 DC In 2 Check battery 0 normal 1 check battery battery voltage less than 10 5 V or battery is open circuit Target battery voltage V Input voltage at maximum power V Battery capacity Ah Qloss Ah The information from the regulator can also be used to calculate power usage by the battery and the system Measuring and storing power usage is useful to determi...

Page 33: ...s available at www SDI 12 org website and the SDI 12 Sensors Transparent Mode and SDI 12 Sensors Watch or Sniffer Mode videos To communicate with the CH201 using SDI 12 connect the CH201 to the data logger as shown in Table 7 2 p 23 Table 7 2 Wiring for SDI 12 communications CH201 connection CH201 terminal function Data logger connection TX SDI 12 transmit and receive C or U1 configured for SDI 12...

Page 34: ...onflicts may occur when a companion terminal is used for a triggering instruction such as TimerInput PulseCount or WaitDigTrig For example if the CH201 is connected to C3 on a CR1000X C4 cannot be used in the TimerInput PulseCount or WaitDigTrig instructions 7 3 1 1 SDI 12 commands Table 7 3 SDI 12 commands and responses SDI 12 command1 Values returned aM aMC 1 Battery voltage 2 Battery current 3 ...

Page 35: ...201 SDI 12 address Sets Qloss to zero If not used the CH201 will automatically set Qloss to zero after trying to cycle charge a battery for eight hours or more aOK Downloadable example programs using these extended commands are available at www campbellsci eu downloads ch201 program examples 7 3 1 2 CRBasic programming The CRBasic instruction SDI12Recorder is used to program a data logger to commu...

Page 36: ...ven RX terminal of a COM port pair RX RX Receive C odd TX terminal of a COM port pair TX COM G Ground G G DC In 1 or DC In 2 12 VDC No connection 12Vdc FIGURE 7 4 CH201 connected to a CR1000X via RS 232 RS 232 settings are as follows Bits per second 9600 Data bits 8 Parity None Stop bits 1 Flow control None CH201 12V Charging Regulator 26 ...

Page 37: ...and CH201 0 0 CR Response nnnn nnnn CRC CR LF Where nnnn comma delimited values and strings Read CH201 status Values Returned Battery voltage battery current load current DC In 1 voltage DC In 2 voltage temperature target battery voltage maximum power input voltage setting battery capacity Qloss charge state charge source check battery Command CH201 1 nn nn CR Where nn nn temperature in C Response...

Page 38: ...oss to zero If not used the CH201 will automatically set Qloss to zero after trying to cycle charge a battery for eight hours or more RS 232 command and response example Transmit CH201 0 0 CR Receive 14 726 0 0514 0 0017 23 045 0 2922 25 03 14 699 18 45 7 00 2 99 126 CYCLE CHARGING DC In 1 0 CRC CR LF These values indicate the following Battery Voltage V 14 726 Battery Current A 0 0514 Load Curren...

Page 39: ...SDI 12 Therefore when the host first sends RS 232 characters the first character might be missed Avoid this by initiating RS 232 communication with two backspace characters BS 0x08 as shown in the following example subroutine Subroutine sends two backspace characters to the CH201 to wake it up and switch over to RS 232 mode Sub WAKEUP SerialOut COMPRT CHR H08 1 3 SerialOut COMPRT CHR H08 1 3 EndSu...

Page 40: ...Waiting for new operating system Downloading an operating system p 31 Solid red Transferring operating system Solid green Table 7 8 CK BAT LED Condition Colour state Battery voltage 11 5 V Off 10 5 V battery voltage 11 5 V Flashing orange Battery fault detected OR battery voltage 10 5 V Flashing red 8 References 1 Genesis Application Manual Genesis NP and NPX Series US NP AM 002 June 2006 CH201 12...

Page 41: ...ice Configuration Utility 4 Select CH201 from the Device Type list on the left of the Device Configuration Utility window 5 Select the Send OS tab 6 Click Start and the Select the operating system to send dialogue window appears 7 Navigate to the CH201_ version number a43 operating system file and click Open 8 The CHG LED changes from red to green indicating the module is receiving a new operating...

Page 42: ...FIGURE A 1 Downloading a new operating system CH201 12V Charging Regulator 32 ...

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Page 44: ... info campbellsci fr www campbellsci fr Germany Location Phone Email Website Bremen Germany 49 0 421 460974 0 info campbellsci de www campbellsci de India Location Phone Email Website New Delhi DL India 91 11 46500481 482 info campbellsci in www campbellsci in South Africa Location Phone Email Website Stellenbosch South Africa 27 21 8809960 sales campbellsci co za www campbellsci co za Spain Locat...

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