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GHM GREISINGER GIA 20 EB, Инструкция по монтажу и эксплуатации

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E31.0.12.6C-06 

Mounting and operating manual GIA 20 EB with electrically insulated supply

 

page 6 of 32 

2. Product description 

2.1. Scope of supply 

  monitoring- / controlling device 

  1 mounting bracket 

  screw-in/plug-in clamps 

  mounting and operating manual 

 

2.2. Function 

The GIA 20 EB is a universally applicable microprocessor controlled displaying, monitoring and 
controlling device. 

The power supply-connection is electrically insulated towards the 

device’s other 

connections. 

Universal input

 

The device supports one universal interface for the connection of:  

Standard transmitter signals  
   (0-20 mA, 4-20 mA, 0-50 mV, 0-1 V, 0-2 V and  0-10 V), 
- RTD (for Pt100 and Pt1000), 
- Thermocouple probes (type K, J, N, T and S), 
- Frequency (TTL and switching contact). 

As well as flow rate and rotation measuring, counting, etc. ... 

Switching output and alarm 

The GIA 20EB features two outputs, which can be configured as  
2-point-controller, 3-point-controller, 2-point-controller with min./max. alarm, common or individual 
min./max. alarm. 
The state of the outputs is displayed with the LED’s below the front 4-digit LED-display 
The left LED displays the state of the 1st output, the right LED displays the state of the 2nd output. 

Interface 

Furthermore both devices supports one EASYBus-interface for communicating with a host com-
puter that makes the device to a full functions EASYBus-module. 

When leaving our factory the GIA 20 EB has been subjected to various inspection tests and is 
completely calibrated

. 

Before the GIA 20 

EB can be used, it has to be configured for the customer’s applica-

tion! 

Important: 

At the configuration of the device you have to adjust the input signal (see chapter 6) 

first and then the output function (see chapter 7) or the offset-/slope- adjustment (see chapter 8)

 

 

 

In order to avoid undefined input states and unwanted or wrong switching pro-
cesses, we suggest to connect the device’s switching outputs after You have 
configured the device properly. 

 

By calling a configuration menu the measurement and regulation of the device 
will be deactivated.  
By leaving the menu the device will be reinitialised and the measur-
ing/regulation will be started again. At the input 

function “counter” the counter 

state will be reset by leaving the menu. 

 

 

Содержание GREISINGER GIA 20 EB

Страница 1: ...0 info ghm group de www ghm group de Mounting and Operating Manual 48x24 Panel Mount Display Controller as of version 2 5 GIA 20 EB with electrically insulated supply Please read these instructions carefully before use WEEE Reg Nr DE 93889386 Please consider the safety instructions Please keep for future reference ...

Страница 2: ...Selecting an input signal type 15 6 2 Measuring temperature Pt100 Pt1000 RTD probes and thermocouple type J K N S or T 16 6 3 Measuring voltage and current 0 50mV 0 1V 0 2V 0 10V 0 20mA 4 20mA 17 6 4 Measuring of frequency TTL switching contact 18 6 5 Measuring of rotation speed TTL switching contact 19 6 6 Up Downwards counter TTL switching contact 20 6 7 Interface mode 21 7 CONFIGURATION OF THE ...

Страница 3: ...oth outputs are not galvanically isolated from the power supply Prior to fulfil the referring requirements the device has to be configured on the base of this manual Wrong configuration may lead to malfunction in the application The commissioning expert the operator is liable for a suitable configuration The counting function is not to be used for e g consumption metering in the sense of the measu...

Страница 4: ... CE mark With the CE Sign declares the manufacturer that the Product is conform with the prevailing requirements of EG 1 5 Safety signs and symbols Warnings are labelled in this document with the followings signs Caution This symbol warns of imminent danger death serious injuries and significant damage to property at non observance Attention This symbol warns of possible dangers or dangerous situa...

Страница 5: ...f the unit s contacts after installing the device 3 Standard regulations for operation and safety for electrical light and heavy current equipment have to be observed with particular attention paid to the national safety regulations e g VDE 0100 4 When connecting the device to other devices e g the PC the interconnection has to be de signed most thoroughly as internal connections in third party de...

Страница 6: ...e outputs is displayed with the LED s below the front 4 digit LED display The left LED displays the state of the 1st output the right LED displays the state of the 2nd output Interface Furthermore both devices supports one EASYBus interface for communicating with a host com puter that makes the device to a full functions EASYBus module When leaving our factory the GIA 20 EB has been subjected to v...

Страница 7: ...housings Panel cut out Mounting 4 Display and operating elements Front Front without pane button 1 button 2 button 3 4 1 Display elements Main display Display element to show minimum maximum and measuring value It also displays errors and parameters LED 1 Indicates the state of output 1 LED 2 Indicates the state of output 2 ...

Страница 8: ... counting speed will be raised af ter a short period of time The device also features a overflow function when reaching the up per limit of the range the device switches to the lower limit vice versa 5 Electric connection Wiring and commissioning of the device must be carried out by skilled personnel only Use the device only for panel mounting or with suitable electrically housings The electrical ...

Страница 9: ... 3 V 1 V 30 V I 10mA Input 0 50mV TC 7 8 0 V 3 3 V 1 V 10 V I 10mA Input 0 10V 6 7 0 V 10 V 1 V 20 V 5 3 Connecting an Input signal Please take care not to exceed the limitations of the inputs when connecting the device as this may lead to destruction of the device 5 3 1 Connecting a Pt100 or Pt1000 RTD probe or a thermocouple probe Pt1000 RTD probe 2 wire Pt100 RTD probe 3 wire Thermocouple probe...

Страница 10: ...tput switching to Us high side push button When configuring the device with a NPN switching output a pull up resistor 11kΩ referring to 3 3V is connected internally So when you use a device with NPN output You don t need to con nect a resistor externally When configuring the device with a PNP switching output a pull down resistor 11kΩ referring to GND is connected internally So when you use a devi...

Страница 11: ...of a transducer with NPN output Connection of a transducer with NPN output separate power supply without separate power supply Connection of a transducer with NPN output Connection of a transducer with NPN output and necessary external resistor and necessary external resistor with separate power supply without separate power supply Hint 3kΩ with power supply voltage 12V or 7kΩ with power supply vo...

Страница 12: ...apter There is the possibility to reset the counter When connecting contact 8 with GND e g contact 7 the counter will be reset You can do this manually e g with the help of a push button or au tomatically with one switching output of the device When connecting the device take care not to exceed the limits of the in put voltage or the input current of the frequency input Manually reset the device w...

Страница 13: ... quite high due to their low cold resistance In case of configuring one output as an alarm output the output will be active in idle state no alarm present The output transistor opens or the push pull output chang es from 9V to 0V when an alarm condition occurred 5 4 1 Switching option Low Side GND switching NPN output open collector The switching output is connected to GND connection 5 when active...

Страница 14: ...ductor relay 5 5 Common wiring of several devices Inputs and outputs are not electrically isolated When interconnecting several GIA20EB s you have to make sure that there is no potential displacement Make sure to observe the following points When several GIA20EB s are connected to the same power supply unit it is highly recommended to isolate the sensors measuring transducers etc When the sensors ...

Страница 15: ... INP U Voltage signal U 0 10 V 6 3 0 2 V 0 1 V 0 50 mV I Current signal I 4 20 mA 6 3 0 20 mA T RES Temperature RTD Pt100 6 2 Pt1000 T TC Temperature Thermocouples type K NiCr Ni 6 2 type S Pt10Rh Pt type N NiCrSi NiSi type J Fe CuNi type T Cu CuNi FREQ Frequency TTL signal 6 4 Switch contact NPN PNP RPN Rotation TTL signal 6 5 Switch contact NPN PNP O VP Counter up TTL signal 6 6 Switch contact N...

Страница 16: ...platinum RTD probes or thermocouple probes This instruction demands that you selected t res or t tc as your desired input type like it is explained in chapter 6 1 The display must show INP Parameter Button 1 Value Button 2 3 Description Notes SENS with T RES PT0 1 Pt100 3 wire Meas range 50 0 200 0 C 58 0 392 0 F PT 1 Meas range 200 850 C 328 1562 F 1000 Pt1000 2 wire Meas range 200 850 C 328 1562...

Страница 17: ...essage ON RG The measuring range limit is exactly bounded by the input signal When exceeding or short falling the input signal the device will display the selected lower upper display value e g humidity when exceeding the device will display 0 or 100 F LT 0 01 2 00 s filter see info filter O VTP Output configuration will be explained in chapter 7 According to your settings different parameters wil...

Страница 18: ...cy range limit L Limit OFF Exceeding of the measuring frequency is tolerable until you reach the maximum measuring range limit ON ER The measuring range is exactly bounded by the selected fre quency measuring range limit When exceeding or short falling of the limit the device will display an error message ON RG The measuring range is exactly bounded by the selected meas uring range limit When exce...

Страница 19: ...ternal pull down resistor D V 1 1000 divisor DP Decimal point see info decimal point O VTP Output configuration will be explained in chapter 7 According to your settings different parameters will be shown Finish configuration Press Button 1 as often till the device executes a reset The values will be stored at it Decimal point Use the decimal point position to change the resolution of your measure...

Страница 20: ... a passive switching contact e g push button relay or transmitter with NPN output There is a internal pull up resistor PNP Switching contact PNP For direct connection of a transmitter with PNP output There is a internal pull down resistor EDGE POS The counter is triggered on the positive rising edge NEG The counter is triggered on the negative falling edge D V 1 1000 divisor see info divisor O K 0...

Страница 21: ... pulses are reduced to 540000 100 5400 The upper counting range limit has to be set to 5400 The display should have a resolution of 0 1 liters the decimal point position has to be and a display range limit of 300 0 6 7 Interface mode When the device is in the interface mode it won t make any measurements by itself The value shown in the device s display is sent via serial interface But the switchi...

Страница 22: ...stment should be done after the input configuration has been finished Additionally you may check your output settings after the input configura tion has been changed The alarm outputs are inverted This means that the output will be active when there is no alarm 7 1 Output function Output Button 1 Function Button 2 3 Output 1 Output 2 Description Go on in chapter OVTP NO off off No output only disp...

Страница 23: ...Inactive in case of an error 4 x ON Active in case of an error 5 A OVT NPN Low Side 1 x x PNP High Side 2 PV PV Push Pull 3 1 ON Min display range Max display range Turn on point of output 1 x x x 1 OFF Min display range Max display range Turn off point of output 1 x x x 2 ON Min display range Max display range Turn on point of output 2 x 2 OFF Min display range Max display range Turn off point of...

Страница 24: ...or compensating the tolerance of the used sensor and for venire adjustment of the used transducer or transmitter The settings of the offset slope adjustment will be cancelled when no button was pressed for more than 60 sec Changes you may have made already won t be saved and will be lost The settings of the offset slope adjustment and alarm boundaries will automatically be reset to factory default...

Страница 25: ...sensor The device displays the following values without offset or slope adjustment 2 C at 0 C and 102 C at 100 C Therefore you calculated zero point 2 slope 102 2 100 deviation 0 You have to set offset 2 zero point deviation scale 0 00 Example 2 Connecting of a 4 20mA pressure transducer The device displays the following values without offset or slope adjustment 0 08 at 0 00 bar and 20 02 at 20 00...

Страница 26: ...neral description and notes to the operating of the menu With Button1 you can go to the next parameter resp after the last parameter values will be saved With Button 2 or Button 3 you can adjust the value If no key is pressed 60 sec the menu will be automatically closed The settings of the switch points and alarm boundaries will automatically be reset to factory default when any changes for the se...

Страница 27: ...perature rises above 122 C the heating coil will be turned off Note Depending on the inertia of your heating coil an overshooting of the temperature may be possible 9 3 2 point controller with alarm function This chapter describes how to configure the device as a 2 point controller with alarm function This instruction demands that you selected 2P AL as your desired output function like it is ex pl...

Страница 28: ...there is no alarm The display has to show AL K Parameter Button 1 Wert Button 2 3 Description AL K AL L O Max display range Maximum alarm value AL L O Min display range AL K Minimum alarm value A DEL 0 9999 Alarm delay Time in sec before the alarm gets active Finish Adjustment Press Button 1 as often till the device executes a reset The values will be stored at it Example You want to have a temper...

Страница 29: ...usual programming language 12 Error codes When detecting an operating state which is not permissible the device will display an error code The following error codes are defined Err 1 Exceeding of the measuring range Indicates that the valid measuring range of the device has been exceeded Possible causes Input signal to high Sensor broken Pt100 and Pt1000 Sensor shorted 0 4 20mA Counter overflow Re...

Страница 30: ...roken thermo elements Remedies Check sensor or exchange defective sensor Er 11 Value could not be calculated Indicates a measuring value needed for calculation of the display value is faulty or out of range Possible causes Incorrect scale Remedies Check settings and input signal 13 Decommissioning reshipment and disposal 13 1 Decommissioning Always disconnect the device before from its supply befo...

Страница 31: ...4 752 F 1 C F Frequency TTL Signal 0 Hz 10 kHz 0 1 mHz Signal low 0 0 0 5 V Signal high 2 7 24 V Switching contact NPN 0 Hz 3 kHz 0 1 mHz i An internal pull up resistor 11 kOhm to 3 3V is connected automatically Switching contact PNP 0 Hz 1 kHz 0 1 mHz An internal pull down resistor 11 kOhm to GND is connected automatically Rotation TTL Signal Switching contact NPN PNP 0 9999 U min 0 001 U min Pre...

Страница 32: ...er supply 11 to 14 V DC when using the 12 V DC device construction 22 to 27 V DC when using the 24 V DC device construction Current drain max 50 mA without switching output Nominal temp 25 C Ambient conditions Operating ambient 20 to 50 C Relative humidity 0 to 80 rel LF non condensing Storage temp 30 to 70 C Max elevation 5000 m above sea level Housing fibre glass reinforced noryl front view pane...

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