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4. Safety instructions

4. SAFETY INSTRUCTIONS

DANGER

Danger to life and limb, risk of damage to equipment
Before starting to operate the device, please read the in-
structions carefully.
Please ensure that you comply with all general safety ad-

vice and the special safety instructions included in other
chapters

Such risks may occur in the following circumstances:

- Failure to heed the operating instructions and all the safety

notes these contain

- Any form of unauthorized tampering or alteration inside the

device

- Use of the device in environments or conditions for which it is

not suited

- Use of the device with an unsuitable power supply and / or in

conjunction with unsuitable peripheral equipment

- Use of the device for any purpose other than that for which it

is intended

- Damage caused by electrostatic discharge or lightning.

DANGER

Risk of fatal injury through exposure to dangerously high voltage

Such risks may occur in the following circumstances:
Use of the device with an unsuitable power supply and / or in

conjunction with unsuitable peripheral equipment

- Damage caused by electrostatic discharge or lightning
- Do not run sensor lines in the vicinity of high-voltage power

cables.

- Before you touch any sensor lines, ensure that all static elec-

tricity has been discharged.

DANGER

Warning - explosive atmospheres or substances

In the vicinity of various fuels or chemicals there is a risk of ex-
plosion.

Do not use the device in the vicinity of blasting work or filling

stations.

8 ALMEMO

204

Содержание ALMEMO 204

Страница 1: ...____________________________ Operating instructions english V7 special measuring instrument ALMEMO 204 for digital sensors V1 0 13 01 2020 www ahlborn com...

Страница 2: ...006 EKG Relay trigger adapter ZA1006 RTA Analog output 2 ZA160x RI RU 3 Connection socket DC 12V Mains adapter ZA1312 NA10 12V 2A Cable el isol ZA2690 UK 10 30V 4 LCD graphics display 7 rows for funct...

Страница 3: ...DC voltage supply 17 6 4 Sensor supply 18 6 5 Switching ON OFF reinitialization 18 6 6 Data buffering 18 7 CONNECTING SENSORS TRANSDUCERS 18 7 1 Standard sensor V5 19 7 2 D6 sensors 19 7 3 D7 sensors...

Страница 4: ...2 External plug in memory incorporating Memory card 38 13 5 3 Numbering of measuring operations 39 13 5 4 Once only saving of all measuring points 39 13 5 5 Cyclic saving of all measuring points 40 13...

Страница 5: ...5 Interface device address and networking 55 15 6 Baud rate data format 55 15 7 Process control 56 15 7 1 Sampling rate 56 15 7 2 Scan cycle 56 15 7 3 Output cycle 57 15 8 Hysteresis 57 15 9 Operating...

Страница 6: ...e end of the Manual 3 1 Warranty Each and every device before leaving our factory undergoes numerous qual ity tests We provide a manufacturer s guarantee lasting two years from deliv ery date that you...

Страница 7: ...isposal of any such item as un sorted domestic waste is strictly forbidden Please dispose of all packaging materials in accordance with the applicable national waste management regulations Please disp...

Страница 8: ...conjunction with unsuitable peripheral equipment Use of the device for any purpose other than that for which it is intended Damage caused by electrostatic discharge or lightning DANGER Risk of fatal...

Страница 9: ...integrated power supply are not electrically iso lated from one another 4 2 Handling batteries rechargeable batteries correctly When inserting batteries rechargeable batteries ensure that the polarit...

Страница 10: ...can now very easily be measured and recorded together Individual sensor functions can be parametrized via a menu stored in the plug itself To facilitate identification the quantity abbreviations and u...

Страница 11: ...uring channels are programmed completely and automatically via the ALMEMO plugs However the user can easily supplement or modify this pro gramming via the keypad or via the interface Measuring ranges...

Страница 12: ...e minimum In the event of one of these limit values being infringed an alarm signal is output and relay output modules actuate the associated alarm con tacts these can be allocated individually to spe...

Страница 13: ...ese values can then be displayed output or deleted from memory Average value Manual averaging is available per channel over a particular period or cycle or over a series of individual measuring operat...

Страница 14: ...mops Scan cycle With the ALMEMO 204 there is also the superordinate scan cycle which ac quires all standard channels and D7 channels whenever one of these delivers a new current measured value Recordi...

Страница 15: ...ocol has been changed so that data is now output in table format only this can then as re quired be processed directly using any standard spreadsheet program Networking All ALMEMO devices can be indiv...

Страница 16: ...l channels on the connector or those functions needed for measured value calculation are displayed Data logger functions s 11 4 Select Menu U2 data logger MENU Select memory cycle PROG Using the scan...

Страница 17: ...t to flash If the batteries discharge completely the device will switch off automatically as soon as battery capacity drops to approx 3 V any parameters set will be saved s 7 6 To replace used batteri...

Страница 18: ...Device ad dress 00 Hysteresis 10 Sampling rate 10 mops Sensor programming in the ALMEMO plugs will remain unaffected 7 6 Data buffering The sensor s programming is stored in the EEPROM on the sensor p...

Страница 19: ...lti point calibration and smoothing however on this V7 device quantity configuration and parametrization can be performed via the Sensor configuration menu or using a USB adapter cable di rectly on th...

Страница 20: ...rporate any internal channels On the measuring instrument this gives the following channel assign ment 8 5 Potential separation Since the digital sensors are all operated via the common sensor power s...

Страница 21: ...n To select menus press or To call up the selected menu press or PROG To view the most important device information INFO 9 2 Measured value display and status symbols To access the sensor menu go to t...

Страница 22: ...s F1 F2 and the cursor keys operate may vary from menu to menu 5 Their function is indicated as an abbreviation in the bottom line of the display softkeys In the instructions and documentation these s...

Страница 23: ...mory card CMEM Set a parameter directly SET Cancel the function ESC 9 5 To enter data When a programmable parameter is selected its current value can be cleared or reprogrammed directly s 9 4 To delet...

Страница 24: ...ABC For lower case characters abc For numbers only 123 For arithmetic sign When entering certain parameters e g measuring range relay variant etc this procedure can be used to select and program not...

Страница 25: ...address Having accessed the Sensor list with its display of all connected sensors you can use keys to select one particular sensor from here there are three possibilities 1 With key M you can access...

Страница 26: ...ing on the quantity and range it lists all functions of importance for this measured value e g compensation values plus any further measuring channels assigned to the sensor in question Additional mea...

Страница 27: ...he display by the symbol REL in other cases the symbol appears If you prefer to disable the zero setting function completely the chan nel in question must be locked at level 6 11 2 2 Atmospheric press...

Страница 28: ...minimum Meas points list LV Min 0 0 23 12 C 20 00 To select further measuring points press M or 11 4 User menu U2 data logger If a plug in memory is connected at socket A2 user menu U1 process control...

Страница 29: ...ce or to memory either the output cycle or the scan cycle must have been programmed and the output configured appropri ately s 14 5 7 Once cyclic output has started all measured value scans are output...

Страница 30: ...age value CLR CLRA o 11 Output cycle s 16 7 3 Output cycle 00 00 00 U CLR o 12 Date time of day s 16 1 Time 12 34 56 Date 01 02 00 CLR o 14 Averaging mode Averaging mode CONT CLR o 18 Sampling rate s...

Страница 31: ...Save menu U1 OK You can also save all your menus on the PC and reload these as and when re quired Example of a freely configured user menu bar chart User menus can be freely configured using the ALMEM...

Страница 32: ...4 Min 25 37 Max 31 34 To clear maximum minimum and average values for all channels CLRA Whenever this data is deleted the current measured value will since measur ing is a continuous process appear ag...

Страница 33: ...election averaging is selected a new selection menu will appear listing the vari ous averaging modes These include measured value smoothing for the selected channel with a sliding average win dow aver...

Страница 34: ...t this must be configured To also display the average value acquired as it is being output a function channel M t must be activated on an additional channel for the sensor in question s 15 9 14 2 2 Av...

Страница 35: ...Or alternatively To enter a certain averaging duration in seconds select and program the func tion Meas Duration The function changes automatically to Aver duration 020 U Start averaging START Verific...

Страница 36: ...the cross section area XS VS v XS 0 36 VS m3 h v m s XS cm2 The average flow velocity v can be acquired in the following ways 1 Averaging over individual measurements s 14 2 2 2 Averaging over time s...

Страница 37: ...Adjust gain in function setpoint 2 by pressing ADJ Measured value should now display setpoint 2 0 0 100 0 C Correction value calculation Also enter known actual values in function Actual val 1 0 4 2...

Страница 38: ...om ring to linear memory The basics for data storage in ALMEMO instruments are described in the manual chapter 6 9 ATTENTION Only one sensor configuration is stored in the internal memory at the first...

Страница 39: ...hed in position Memory cards do not support ring memory mode 14 5 3 Numbering of measuring operations To identify measuring operations or series of measuring operations these can before starting be as...

Страница 40: ...point scan START The following symbols will be highlighted continuously in the status bar i e so long as the measuring operation is running s 9 2 The START arrow lights up If data is being output via...

Страница 41: ...tion in the output cycle Save Saving to memory activated default setting ON Switching off the saving function OFF Allow oversampling Oversampling For quicker processes in particular with D7 sensors sa...

Страница 42: ...p On The device then switches off and the only visible activity is the flashing red at the top of the display LED SLEEP 4 flashes 6 In the specified cycle the device switches on automatically performs...

Страница 43: ...ritten and the last data is available see Hb 6 10 13 2 Linear memory without overwriting data Ring memory with overwriting of data 14 5 9 Starting and stopping measuring operations A measuring operati...

Страница 44: ...n End date Format tt mm jj End date Meas duration start Format hh mm ss hh Meas duration 00 01 23 45 To clear these values after selecting this function pres OFF If the start time of day for a measuri...

Страница 45: ...and channels actually activated can be processed To activate a new channel key MALL should first be pressed this accesses all selectable channels Then key MACT should be pressed this accesses only th...

Страница 46: ...zero point adjustment temporary 7 limit values maximum and minimum Function Locking mode Locking 5 In the Channel functions menu the functions are listed from top to bottom and in such a way that the...

Страница 47: ...y it is nearly always necessary to perform a zero point shift and multipli cation by a factor To perform these steps the functions base and factor are provided For a detailed description of scaling wi...

Страница 48: ...and for g enter gk 15 9 Selecting the measuring range With this device the individual measuring ranges for D6 and D7 sensors can only be modified via the sensor configuration menu s 15 10 This sectio...

Страница 49: ...e processing or from calculated results obtained by linking cer tain measured values on measuring channels see Manual 6 3 4 Reference to the actual measuring channels is provided by one or two referen...

Страница 50: ...On the 204 measuring instrument in the two Special functions menus all sensor parame ters can be accessed these may be needed only occasionally in routine operation but may in many applications be ver...

Страница 51: ...ay cables offer two relays the new relay adapter ZA 8006 RTA3 offers up to 10 relays In the output module for the re lay the mode should be set to variant 2 assigned internally s 17 2 Man 6 10 9 To ac...

Страница 52: ...g a mains unit To prevent mea suring errors the minimum sensor voltage needed by each individual sensor can be en tered in sensor programming If the sensor voltage drops below this value the measured...

Страница 53: ...erence channel 1 you can also set another measuring point as reference channel Program reference channel 1 Ref channel 1 1 0 2 For function channels needing a 2nd reference channel see above first ent...

Страница 54: ...red up to maximum 40 characters in length s 9 5 The entry here of an individual text can help clearly identify the device in the display device configuration info menu in a printout or in a software l...

Страница 55: ...address this ensures that only one device responds per command Before starting network operation ensure therefore that all the measuring instruments involved are assigned different and unique device...

Страница 56: ...e modify by means of SET Sampling rate 10M s 16 7 2 Scan cycle The scan cycle is used for the purpose of acquiring maximum and minimum values limit value infringements and analog outputs from the new...

Страница 57: ...cle to 1 minute RESET There is no longer a choice of output formats because the expanded range of values can only be expressed in table format see Man 6 6 1 This format is as always ideally suitable f...

Страница 58: ...es are con nected to socket A1 2 this is with the exception of network cable ZA 1999 NK5 which is used for networking a further device this must be connected to socket A2 In the menu under the socket...

Страница 59: ...r keypad 8 Driven externally Variant 2 assigned internally is set automatically if a relay is assigned to a limit value s 15 12 2 Power failure can be detected more easily if relay addressing is inver...

Страница 60: ...outputs V5 output modules For the purposes of analog recording of mea sured values it is still possible at sockets A1 and or A2 2 to connect V5 output modules with an analog output driven by the devic...

Страница 61: ...V6 the analog value appears with the appropriate units Analog value 08 345 V Programmed analog value output s Man 6 10 7 If the analog value is to be controlled individually either manually or via the...

Страница 62: ...y Check the cabling for any inadmissible electrical connections Unplug any suspicious sensors Connect a hand held sensor in air or a phantom sensor short circuit for voltages 100 for Pt100 sensors and...

Страница 63: ...comprehensive function test in the device list or terminal mode 19 DECLARATION OF CONFORMITY Ahlborn Mess und Regelungstechnik GmbH declares herewith that measuring instrument ALMEMO 204 carries the C...

Страница 64: ...dules Active mode approx 31 mA at 4 5 V With illumination approx 68 mA at 4 5 V Sleep mode approx 0 05 mA Housing 127 x 83 x 42 mm LxWxH ABS acrylonitrile butadiene styrene Weight approx 260 g Operati...

Страница 65: ...D7 extension cable not electrically isolated length xx cm ZA D700 VKxx ALMEMO V6 input output cable for triggering and limit value alarm ZA 1006 EGK ALMEMO V6 relay trigger adapter 4 relays 2 trigger...

Страница 66: ...veraging over time 35 Base value 47 Battery operation 17 Baud rate 55 Changing the units 48 Channel designation 45 Configuration 57 Configuration of user menus 31 Connecting sensors transducers 18 con...

Страница 67: ...ry 38 Introduction 10 keypad 21 KONF 50 Language 54 Limit values 46 Locking the sensor programming 46 Mains operation 17 Maximum minimum individual value memory 32 Measured value display and status sy...

Страница 68: ...s 53 Relay addressing inverted 59 Relay assignment 51 Relay trigger modules 58 Safety instructions 8 Sampling rate 56 save to memory activation 41 Scaling 37 47 Scaling the analog output 61 Scan cycle...

Страница 69: ...perations 43 Switching ON OFF 18 Technical data 64 Time constant 34 To enter data 23 Trigger inputs 60 Trouble shooting 62 Two point adjustment 37 U Sensor Min 52 User menu U2 data logger 28 Usermenus...

Страница 70: ...Your contact partner Ahlborn Mess und Regelungstechnik GmbH Eichenfeldstra e 1 83607 Holzkirchen GERMANY Tel 49 0 8024 3007 0 Fax 49 0 8024 300710 Internet http www ahlborn com e mail amr ahlborn com...

Страница 71: ...Your contact partner We take every possible care but the risk of inaccuracy can never be altogether excluded We reserve the right to make technical changes without advance notice ALMEMO 204 71...

Страница 72: ...20 Annex 72 ALMEMO 204...

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