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Burster DIGISTANT 4420-V001 Operation Manual

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© 2022
burster
präzisionsmesstechnik gmbh & co kg
All rights reserved
Valid from: 02.08.2022
OPERATION MANUAL
DIGISTANT
®
4420-V001
Manufacturer:
burster präzisionsmesstechnik gmbh & co kg
Talstraße 1 - 5
DE-76593 Gernsbach
Germany
Tel.:
(+49) 07224 / 6450
Fax.:
(+49) 07224 / 64588
E-Mail:
info@burster.com
www.burster.com
4266-BA4420EN-5999-081530
P.O.Box 1432
DE-76587 Gernsbach
Germany

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  • Page 1 OPERATION MANUAL DIGISTANT 4420-V001 ® Manufacturer: © 2022 burster burster präzisionsmesstechnik gmbh & co kg präzisionsmesstechnik gmbh & co kg Talstraße 1 - 5 P.O.Box 1432 All rights reserved DE-76593 Gernsbach DE-76587 Gernsbach Germany Germany Tel.: (+49) 07224 / 6450 Valid from: 02.08.2022...
  • Page 2 (hereinafter referred to as "product") are the results of targeted development and meticulous research. As of the date of delivery, burster provides a warranty for the proper condition and functioning of these products covering material and production defects for the period specified in the warranty document accompanying the product.
  • Page 3 E G - K o n f o r m i t ä t s e r k l ä r u n g EC- Declaration of Conformity according to EN ISO/IEC 17050-1:2010 Name des Herstellers: burster präzisionsmesstechnik gmbh & co kg Manufacturer’s Name: Adresse des Herstellers: Talstr.
  • Page 4 DIGISTANT Model 4420-V001 ® Page 4...

  • Page 5: Table Of Contents

    Model 4420-V001 DIGISTANT ® Table of contents DIGISTANT Model 4420-V001 ® General information ..........C h a p t e r Preparation for use ..........C h a p t e r Control elements .............C h a p t e r Manual operation .............C h a p t e r Remote operation ............C h a p t e r Maintenance and customer service ......C h a p t e r Technical data............C h a p t e r...
  • Page 6 DIGISTANT Model 4420-V001 ® Page General Information ..............11 Application ......................11 Description ......................11 Preparation for use ..............13 2.1 Unpacking the device ................13 2.2 Supply voltage ..................13 How to correctly charge/discharge the Ni-MH-accumulator .....14 2.3 Connections....................15 2.4. Operational test ..................16 2.5 Selecting the menu language ..............16 2.6 Calibration ....................16 2.7 Storage .....................16...
  • Page 7 Model 4420-V001 DIGISTANT ® Page 4.3 Transmission function ................33 4.3.1 Voltage transmission ..............33 4.3.2 Current transmission ..............33 4.3.3 Simulating a thermocouple ............34 4.3.3.1 TC: Simulating a thermocouple ........35 4.3.3.2 TC+RJ-Man: Simulating a thermocouple and an external reference junction .........36 4.3.3.3 TC+RJ-Aut: Simulating a thermocouple and a reference junction to calibrate a device which records the temperature of the reference junction with a...
  • Page 8 DIGISTANT Model 4420-V001 ® Page 4.11 Setting the data logger ................60 4.11.1 Setting the storage time ...............60 4.11.2 Data logger mode ................60 4.11.3 Erasing the data logger's memory ..........61 Erasing the memory completely ..........61 Erasing the memory in blocks ............61 4.11.4 Data logger evaluation ..............62 4.11.5 Statistical evaluation ..............63 4.11.6 Display of the recorded values ............63...
  • Page 9 Model 4420-V001 DIGISTANT ® Page Remote operation of the device ..........79 5.1. Control via the serial interface ..............79 Introduction ....................79 Settings in the serial interface menu ............79 Explanation of the communications protocol for establishing links .....80 DIGISTANT as a master .................81 ®...
  • Page 10 DIGISTANT Model 4420-V001 ® Page Maintenance and customer service ......... 143 6.1 Maintenance ...................143 6.2 Customer service..................143 6.3 Manufacturer's guarantee ...............143 6.4 Cleaning ....................144 6.5 Handling batteries...................144 Technical data................145 7.1 Measure and source ................145 7.2 Interference-suppression class...............146 7.3 Long-term stability ..................146 7.4 Influencing variables ................146 7.5 Interface (RS232) ...................146 7.6 Housing ....................146...

  • Page 11: General Information

    Model 4420-V001 DIGISTANT ® 1. General Information 1.1 Applications The DIGISTANT model 4420-V001 universal calibrator is ideal for testing and calibrating temperature mea- ® surement and control devices as well as documenting the measurement results. Due to its versatile functions, this portable device can not only be used on-site but also as a stationary unit in the test shop or laboratory.
  • Page 12 DIGISTANT Model 4420-V001 ® Page 12...

  • Page 13: Preparation For Use

    1 plug-in power supply model 4495-V001 1 3 pin, 3.5 mm jack connector User’s manual digital on the homepage (www.burster.com) Data Sheet digital on the homepage (www.burster.com) Carefully check the device for any signs of damage. If any damage seems to have occurred during transpora- tion, inform the supplier within 72 hours.

  • Page 14: How To Correctly Charge/Discharge The Ni-Mh-Accumulator

    DIGISTANT Model 4420-V001 ® How to correctly charge/discharge the Ni-MH accumulator It is advisable to discharge the accumulator completely at regular intervals (from twice a week to once a month, depending on the degree of use) and then recharge it. This has a relaxing effect on the ac- cumulator, making it more reliable and durable.

  • Page 15: Connections

    Model 4420-V001 DIGISTANT ® 2.3 Connections Ι Ι Plug-in power Thermocouple Thermocouple supply input output 4495-V001 Socket is connected to housing Eingang max 11 V Ausgang Laden Input max 22 mA Output Charge Resistance- Pt100; Ni100-, Pt200; Pt500-, Pt1000 measurement 2 wire 3 wire Plugs...

  • Page 16: Operational Test

    DIGISTANT Model 4420-V001 ® 2.4 Operational test After the device is switched on, the following text appears on the display for approx. 5 seconds: This is automatically followed by a display of the value set last. 2.5 Selecting the menu language Different languages can be selected in this menu.

  • Page 17: Control Elements And Terminals

    Model 4420-V001 DIGISTANT ® 3. Control elements and terminals 3.1 Front panel laden/charge ▲ → ▼ ← UNIT DIGISTANT 4420 ± 3.1.1 Display The device has an LCD display with two rows of 20 characters each. Page 17...

  • Page 18: Description Of Each Key

    DIGISTANT Model 4420-V001 ® 3.1.2 Description of each key Number keys For entering numerals. Point key Selection of pressure measurement OUT: For entering the decimal point ± Sign key For entering the sign. Cancel key For cancelling a current entry. Milliampere key - For acknowledging an entered current value.
  • Page 19 Model 4420-V001 DIGISTANT ® 3.1.2.1 Description of the keys for the pressure function Meas. mode: Selects pressure measurement ± P meas. mode: Selects the battery-test function P meas. mode: Selects balancing during pressure measurement Selects the required pressure module Selects pressure measurement with U or I simulation Selects pressure measurement with U or I measurement Changes units during measurements with the pressure modules UNIT...
  • Page 20 DIGISTANT Model 4420-V001 ® Page 20...

  • Page 21: Manual Operation Of The Device

    Model 4420-V001 DIGISTANT ® 4. Manual operation of the device The device can be operated from the keyboard or via the RS232 interface. Keyboard operation is described in the following. 4.1 Measurement times for DIGISTANT 4420 ® Generally: Basic measurement rate is two measurements/sec One zero-point measurement (taking 0.5 s) for every 250 measurements For U, I, TC (RJMAN), TC (4-20 mA), TC (0-20 mA) measurement Two measurements /sec, plus one zero-point measurement (taking 0.5 s) for every 250 measurements.

  • Page 22: Current Measurement

    DIGISTANT Model 4420-V001 ® 4.2.2 Current measurement DIGISTANT 4420-V001 ® ▲ Eingang Input Switch on the device and connect it as shown above.. Switch the device with to "Measurement function" and with mA to current measurement. 4.2.3 Temperature measurement The DIGISTANT Model 4420-V001 allows measurement with the following ®...

  • Page 23: Rj-Int: Measurement Of A Thermocouple

    Model 4420-V001 DIGISTANT ® 4.2.3.1 RJ-INT: Measurement of a thermocouples DIGISTANT 4420-V001 ® Eingang Input Thermoelectric wires or compensation lead The reference junction is located inside the device (internal). It is simulated electronically by a built-in Pt100 sensor. Switch on the device and connect it as shown above. Selection of the thermocouple Press the FCT and TC keys.

  • Page 24: Rj-Man: Measurement After The Reference Junction

    DIGISTANT Model 4420-V001 ® 4.2.3.2 RJ-Man: Measurement after the reference junction; the reference-junction temperature is constant and know DIGISTANT 4420-V001 ® reference junction Eingang Input Thermoelectric Copper wire wires Switch on the device and connect it as shown above. Selection of the thermocouple Press the FCT and TC keys.

  • Page 25: Rj-Ext Pt100: Measurement After The Reference Junction; Reference-Junction Temperature Using A Pt100 Or Precision Measurement Using The Model 4485 External Reference Junction

    Model 4420-V001 DIGISTANT ® Selection of the unit After pressing the FCT and UNIT keys, set the correction cursor using the ▲ ▼ key to TC. Using the key, select °C, °F or K. ← → Acknowledge with ENT . Selection of the "RJ:MAN"...
  • Page 26 DIGISTANT Model 4420-V001 ® Ausgleichsleitung TC-Miniatur- oder Thermodraht stecker Pt 100-Leitung in Vierleitertechnik Externe Thermoelement Vergleichsstelle eingebautem Pt 100-Fühler Typ 4420-V001 Switch on the device and connect it as shown above. Selection of the thermocouple Press the FCT and TC keys. The "TC selection" display appears. ←...

  • Page 27: Rated Output-Current Range: 4-20 Ma

    Model 4420-V001 DIGISTANT ® 4.2.3.4 4-20mA: Measurement after the thermocouple and a linearresponse voltage transducer. Rated output-current range: 4-20mA In this mode, a thermocouple with a reference junction based on 0 °C is exposed to the temperature to be registered at the measurement point. The thermocouple is connected in series to a U-/I transducer which converts the output voltage of the thermocouple linearly into a current and supplies it to the DIGISTANT ®...

  • Page 28: And A Linearresponse Voltage Transducer

    DIGISTANT Model 4420-V001 ® Modification of the temperature limits The correction cursor indicates the temperature limit which can be modified. ▲ ▼ You can move the correction cursor up with and down with Enter the new temperature values and acknowledge the entry with UNIT Complete your modification of the temperature limits with ENT .
  • Page 29 Model 4420-V001 DIGISTANT ® Selection of the thermocouple Press the FCT and TC keys. The "TC selection" display appears. Using the ← key, select the desired thermocouple. → Selection of the reference junction ▲ ▼ After that, press the key and select "Measure:..". ←...

  • Page 30: Temperature Measurement With A Pt100/200/500/1000 And Ni100

    DIGISTANT Model 4420-V001 ® 4.2.4 Temperature measurement with a Pt100/200/500/1000 and Ni100 Connect the resistance sensor in 4 wire configuration to a 6-pin Lemo-plug (size 1). DIGISTANT 4420-V001 ® Ni100 Pt100 Pt200 Pt500 Pt1000 ext. Pt100 Switch on the device and connect it as shown above. RTD setting This menu is obtained by selecting the [FCT] and [RTD] functions.

  • Page 31: Resistance Measurement

    Model 4420-V001 DIGISTANT ® RL-IN setting Here, you can specify whether or not the lead resistance RL should be considered for RTD measurement. ← keys can be used to toggle between the following options: → ON RL is subtracted from the RTD measurement value OFF RL is not considered.
  • Page 32 DIGISTANT Model 4420-V001 ® RTD setting This menu is obtained by selecting the [FCT] and [RTD] functions. The following display appears on the LCD: Various parameters for RTD measurement and transmission are set in this menu. ▲ ▼ The different parameters are selected with the cursor keys.

  • Page 33: Transmission Function

    Model 4420-V001 DIGISTANT ® 4.3 Transmission function Voltage Current Thermocouples (TYP: R,S,B,J,T,E,K,U,L,N,C,D,G2,M) M -> NiMo(18%) - Ni manufactured by Ipsen (TYPE: Ni100 oder Pt100) 4.3.1 Voltage transmission DIGISTANT 4420-V001 ® Ausgang Output Switch on the device and connect it as shown above. Switch the device using to "Output mode"...

  • Page 34: Simulating A Thermocouple

    DIGISTANT Model 4420-V001 ® 4.3.3 Simulating a thermocouples The DIGISTANT Model 4420-V001 allows the following types of thermocouple to be simulated: ® Thermocouple model Standard Temperature range [°C] TC Type R PtRh13-Pt - 50.0 ... + 1766.9 EN 60584-1 / ITS 90 TC Type S PtRh10-Pt - 50.0 ...

  • Page 35: Tc: Simulating A Thermocouple

    Model 4420-V001 DIGISTANT ® 4.3.3.1 TC: Simulating a thermocouple DIGISTANT 4420-V001 ® Measurement Ausgang configuration Output under test Thermoelectric wires or com- pensation leads Switch on the device and connect it as shown above. Selection of the thermocouple Press the FCT and TC keys. The "TC selection" display appears. Using the →...

  • Page 36: Tc+Rj-Man: Simulating A Thermocouple And An External Reference Junction

    DIGISTANT Model 4420-V001 ® 4.3.3.2 TC+RJ-Man: Simulating a thermocouple and an external reference junction The reference-junction temperature set on the measurement device under test must also be entered on the DIGISTANT ® DIGISTANT 4420-V001 ® Device to be calibrated Ausgang Output Copper leads Switch on the device and connect it as shown above.
  • Page 37 Model 4420-V001 DIGISTANT ® Now you can select the displayed value with ENT or enter a new reference junction temperature and complete this entry with the key. UNIT Acknowledge with ENT . Selection of the unit After pressing the FCT and UNIT keys, set the correction cursor using the ▲...

  • Page 38: Tc+Rj-Aut: Simulating A Thermocouple And A

    DIGISTANT Model 4420-V001 ® 4.3.3.3 TC+RJ-Aut: Simulating a thermocouple and a reference junction to calibrate a device which records the temperature of the reference junction with a measurement sensor, or simulating with a Model 4485 external reference junction The DIGISTANT 4420-V001 records the temperature of the external sensor or the sensor of ®...
  • Page 39 Model 4420-V001 DIGISTANT ® Switch on the device and connect it as shown on the neighbouring page. The Pt100 sensor which you connect to the "Ext. Pt 100" socket must comply to a sufficient degree with the DIN (German Industrial Standard). Bring it into close thermal contact with the sensor of the test device (this need not be considered in the case of the reference junction model 4485 ).

  • Page 40: Tc+4-20Ma: Simulating A Thermocouple With A Linearresponse Voltage Transducer Rated Output-Current Range: 4-20Ma

    DIGISTANT Model 4420-V001 ® 4.3.3.4 TC+0-20mA: Simulating a thermocouple with a linear response voltage transducer. Rated output-current range: 0-20mA. The DIGISTANT simulates a thermocouple with a series-connected U/I transducer. ® This transducer converts the output voltage of the simulated thermocouple linearly into a current, which the DIGISTANT supplies at its output sockets.
  • Page 41 Model 4420-V001 DIGISTANT ® Selection of the reference junction ▲ ▼ After pressing the key and select "Transmit:XXXX". Then use the → ← key to select "Transmit:TC+4-20mA". Acknowledge with ENT . The temperature values last allocated to the current values of 4 mA and 20 mA are then displayed.

  • Page 42: Rated Output-Current Range: 0-20Ma

    DIGISTANT Model 4420-V001 ® 4.3.3.5 TC+0-20mA: Simulating a thermocouple with a linear response voltage transducer. Rated output-current range: 0-20mA. Switch on the device and connect it as shown below.. DIGISTANT 4420-V001 ® Transducer 0-20 mA Ausgang Output Selection of the thermocouple Press the FCT and TC keys.
  • Page 43 Model 4420-V001 DIGISTANT ® Modification of the temperature limits The correction cursor indicates the temperature limit which can be modified. ▲ ▼ You can move the correction cursor up with and down with Enter the new temperature values and acknowledge the entry with UNIT Complete your modification of the temperature limits with ENT .

  • Page 44: Temperature Simulation With A Pt100/200/500/1000 And Ni100

    DIGISTANT Model 4420-V001 ® 4.3.4 Temperature simulation with a Pt100/200/500/1000 and Ni100 Connect the DIGISTANT ® °C 2 wire configuration Eingang max 11 V Ausgang Input max 22 mA Output 3 wire configuration °C Eingang max 11 V Ausgang Input max 22 mA Output or 4 wire configuration.

  • Page 45: Settings For Resistance-Thermometer Simulation

    Model 4420-V001 DIGISTANT ® 4.3.4.1 Settings for resistance-thermometer simulation This menu is obtained by selecting the [FCT] and [RTD] functions. The following display appears on the LCD: Various parameters for RTD measurement and transmission are set in this menu. ▲ ▼...

  • Page 46: Resistance Simulationn

    DIGISTANT Model 4420-V001 ® Selection of the unit After pressing the FCT and keys, set the correction cursor using the UNIT ▲ ▼ key to RTD. Using the key, select °C, °F, Ω or K. ← → Acknowledge with ENT . Selection of the "RTD:XXXX"...
  • Page 47 Model 4420-V001 DIGISTANT ® Various parameters for RTD measurement and transmission are set in this menu. ▲ ▼ The different parameters are selected with the cursor keys. RTD selection If the Ω unit has been chosen, resistance simulation is possible with all RTD types. RL-OUT setting Here, you can specify whether or not the lead resistance RL should be considered for RTD or resistance simulation.

  • Page 48: Power-On/Power-Off

    DIGISTANT Model 4420-V001 ® 4.4 Power-on/power-off The 4420-V001 is switched on and off with the key. This key has a toggle function. Pressing the key effects power-off immediately, as it is not controlled by the built-in micro controller. When switched on, the device assumes the state it was in immediately before being switched off.

  • Page 49: Transmission Mode

    Model 4420-V001 DIGISTANT ® 4.6 Transmission mode Prerequisite: The device must be in the transmission mode; if not, press the key. The LCD might show the following display, for example: A new transmission value is entered with the number keys, ±...
  • Page 50 DIGISTANT Model 4420-V001 ® If the entered transmission value is valid, it is output and displayed in the 1st row of the LCD. Invalid transmission values generate an error message. In case of an error: Press the key. The previous transmission value is output and displayed again.

  • Page 51: Selecting A Function

    Model 4420-V001 DIGISTANT ® 4.7 Selecting a function Functions are selected by pressing the key in the measurement or transmission mode. key: This key effects a return to the measurement or transmission mode without a function having been selected. key: This key turns the background illumination on and off.
  • Page 52 DIGISTANT Model 4420-V001 ® a) Indirect selection Function selected: The functions can also be selected indirectly by operating ▲ ▲ key. This invokes the menu for indirect selection. The following display appears on the LCD: > ▲ ▼ The functions can be scrolled through with the cursor keys.

  • Page 53: Dx Setting

    Model 4420-V001 DIGISTANT ® 4.8 dX-setting This menu is obtained by pressing the keys. The LCD provides the following display, for example: > ▲ ▼ cursor keys can be used to scroll through the various dX-values belonging to the respective transmission mode if no current entry is active. The currently selected dX-value is identified with a mark in the 2nd row of the LCD.

  • Page 54: Storing A Value-Pair

    DIGISTANT Model 4420-V001 ® 4.8.1 Storing a value-pair → This menu is obtained by pressing the key in the transmission mode. In addition to the present transmission value in the 1st row, the dX-value is displayed in the 2nd row of the LCD: By pressing one of the number keys, the value-pair (transmission value and dX- value) can be stored under one of the 10 memory numbers 0 to 9.

  • Page 55: Ramp Function

    Model 4420-V001 DIGISTANT ® 4.9 Ramp function This menu is obtained by pressing the keys. The LCD provides the following display, for example: N C T A M P The currently selected ramp type is shown in the 2nd row. ←...

  • Page 56: Use Of The Ramp Function

    DIGISTANT Model 4420-V001 ® 4.9.1 Use of the ramp function The ramp function can be activated by pressing the key in the normal transmission mode. Only then is it possible to execute a ramp sequence (automatic or single-step). Display when a ramp has stopped Indication of a stopped ramp: RO in the 2nd row of the LCD.
  • Page 57 Model 4420-V001 DIGISTANT ® Entry for selecting ramp 1 Parameter list : RAMP 1 SEQUENCE Number of passes Initial value Final value Delta transmission value Delta time Using the ← keys, the sequence can be toggled between the following values: →...
  • Page 58 DIGISTANT Model 4420-V001 ® Entry for selecting ramp 2 Parameter list: RAMP 2 SEQUENCE number of passes number of stages Wi, ti value and time of the i-th stage for 1<= i <= 30 On the selection of SEQUENCE, N and S, the respective parameter is displayed in the 2nd row.

  • Page 59: Setting Simultaneous Transmission And Measurement

    **Warning: Simultaneous transmission and measurement of RTD with a direct connection (between the RTD input and output in the case of the DIGISTANT 4420-V001) leads to measurement errors and should be avoided. External applications without an electrical connection, e.g. Pt-100 simulation for a controller and simultaneous temperature measurement with an integrated, electrically isolated Pt100 sensor do not pose any problems in this respect.

  • Page 60: Setting The Data Logger

    DIGISTANT Model 4420-V001 ® 4.11 Setting the data logger → This menu is obtained by pressing the keys. The following display appears on the LCD: 4.11.1 Setting the storage time A T A The menu for entering the time interval at which measurement data should be written in the data logger's memory appears first.

  • Page 61: Erasing The Data Logger's Memory

    Model 4420-V001 DIGISTANT ® Pressing this key again stops automatic data recording. key thus has a toggle function. ▲ key: If automatic data recording has not been started, this key can be pressed to record single values. key: If automatic data recording has not been started, this key can be pressed to delete the measurement value recorded last by the data logger.

  • Page 62: Data Logger Evaluation

    DIGISTANT Model 4420-V001 ® O C K > E R A In this menu, the data logger's memory can be erased in blocks. ▲ Set the cursor to the "BLOCK" parameter with the key. The block to be erased can now be selected with the →...

  • Page 63: Statistical Evaluation

    Model 4420-V001 DIGISTANT ® 4.11.5 Statistical evaluation > B L In the 1st row: the selected block is displayed. In the 2nd row: the type of statistical evaluation is displayed together with the corresponding calculated value. ▲ ▼ Row 1 or 2 of this menu can be selected using the keys.

  • Page 64: Setting The Rs232 Interface

    DIGISTANT Model 4420-V001 ® 4.12 Setting the RS232 interface This menu is obtained by pressing the keys. The LCD provides the following display, for example: A C E In the 2nd row, the currently selected interface parameter is displayed together with its present setting.

  • Page 65: Min./Max Function

    Model 4420-V001 DIGISTANT ® Entries for the PARITY parameter: The parity can be toggled with the keys between the following values: → ← EVEN NONE Entries for the GROUP ADDR. parameter: The group address can be set over a value range of 0 to 15 with the number keys. Entries for the USER ADDR.

  • Page 66: Display Of The Version And Calibration Stage

    DIGISTANT Model 4420-V001 ® 4.14 Display of the version and calibration stage This menu is obtained by pressing the keys. The LCD provides the following display, for example: E R S I O N A L : In the 1st row: the software version is indicated.

  • Page 67: Rtd Settings

    Model 4420-V001 DIGISTANT ® 4.16 RTD setting This menu is obtained by pressing the keys. The LCD provides the following display, for example: Various parameters for RTD measurement and transmission are set in this menu. ▲ ▼ The following parameters can be selected with the cursor keys.

  • Page 68: Setting The Tc Model And Rj

    DIGISTANT Model 4420-V001 ® 4.17 Setting the TC type and RJ and TC keys . This menu is obtained by pressing the The following display appears on the LCD: In this menu, the TC type, reference junction (RJ) for TC measurement and RJ for TC transmission are set.

  • Page 69: Setting The Reference Junction (Rj) For Tc Measurement

    Model 4420-V001 DIGISTANT ® 4.17.2 Setting the reference junction (RJ) for TC measurement The following display appears on the LCD: M E A Press the keys to choose one of the following reference junctions: ← → RJ-INT RJ-MAN RJ-AUT 4-20 mA 0-20 mA Key: ENT If RJ-INT or RJ-EXT is selected, a return is effected to the measurement or transmission mode.

  • Page 70: Entering Temperatures With Rj = 4-20 Ma

    DIGISTANT Model 4420-V001 ® 4.17.4 Entering temperatures with RJ = 4-20 mA This menu is obtained by pressing the ENT key in the RJ menus if TC+ 4-20 mA for transmission or 4-20 mA for measurement was selected. The following display appears on the LCD: >...

  • Page 71: Selecting Units For Tc And Rtd

    Model 4420-V001 DIGISTANT ® 4.17.6 Selecting units for TC and RTD This menu is obtained by pressing the UNIT keys. The following display appears on the LCD: > ° Ω Row 1: Unit for TC Row 2: Unit for Rtd The units for TC and Rtd are set in this menu.

  • Page 72: Range Selection And Zero Offset With U Transmission

    DIGISTANT Model 4420-V001 ® 4.18 Range selection and zero offset with U transmission This menu is obtained by pressing and mV or The following display appears on the LCD: > : M A E R O In this menu, manual or automatic range selection can be set for voltage transmission, and zero offset can be performed.

  • Page 73: Range Selection With Rtd Transmission

    Model 4420-V001 DIGISTANT ® 4.19 Range selection with RTD transmission This menu is obtained by pressing The following display appears on the LCD: R A N ° In this menu, manual or automatic range selection can be set for Rtd transmission. The current setting is displayed in the 2nd row of the LCD.

  • Page 74: Storage And Retrieval Of Device Settings

    DIGISTANT Model 4420-V001 ® 4.20 Storage and retrieval of device setting This menu is obtained by pressing The following display appears on the LCD: > T O R E L O A This menu is meant for STORING and LOADING device settings. ▲...

  • Page 75: Lcd Contrast Settings

    Model 4420-V001 DIGISTANT ® 4.21 LCD contrast setting This menu is obtained by pressing The following display appears on the LCD: C O N > The contrast can be adjusted with the number keys between a value of 0 (minimum contrast) and 9 (maximum contrast).

  • Page 76: Range Selection With Ι Transmission

    DIGISTANT Model 4420-V001 ® 4.22 Range selection with I transmission and mA . This menu is obtained by pressing The following display appears on the LCD: N G E Ι In this menu, manual or automatic range selection can be set for current transmission. The present setting is displayed in the 2nd row of the LCD.

  • Page 77: Setting The Ground Connection

    Model 4420-V001 DIGISTANT ® 4.23 Setting the ground connection This menu is obtained by pressing The following display appears on the LCD: G R O U C O N N A S. S E In this menu, the ground connection of the measurement section can be set. Use the keys to select one of the following options for the ground connection: ←...

  • Page 78: Setting The Date And Time

    DIGISTANT Model 4420-V001 ® 4.25 Setting the data and time This menu is obtained by pressing The following display appears on the LCD: > D A T The date and time can be reset here. ▲ ▼ keys: Use these keys to change over between row 1 (DATE) and row 2 (TIME).

  • Page 79: Remote Operation Of The Device

    Model 4420-V001 DIGISTANT ® 5. Remote operation of the device 5.1. Control via the serial interface Introduction The device can be controlled via an RS232 serial interface. The interface type is selected in the interface menu. The ANSI-standard protocol for communications between the system controller and the 4420-V001 is: ANSI X3.28-1976 Subcategory 2.5, A3/A4 Settings...

  • Page 80: Explanation Of The Communications Protocol For Establishing Links

    DIGISTANT Model 4420-V001 ® Software settings Group address The group address at which the 4420-V001 can be actuated is: 0..15 ( 0...f ) User address The user address at which the 4420-V001 can be actuated is: 0..15 ( 0..f ) Character delay Activation of a time delay (approx.

  • Page 81: Digistant ® As A Master

    Model 4420-V001 DIGISTANT ® DIGISTANT Polling as master The control station sends a "Polling Supervisory Sequence". This se- quence is meant to fetch data requested from the 4420-V001. The prefix selects a single station. <ENQ> defines the end of the polling supervisory sequence.
  • Page 82 DIGISTANT Model 4420-V001 ® The selection supervisory sequence of the 4420-V001 has the fol- lowing format: <groupadr><groupadr><useradr><useradr>sr<ENQ> User address (hex) set Group address (hex) set A S C I I - ASCII in the interface menu in the interface menu characters characters "s"...

  • Page 83: Link Termination

    Model 4420-V001 DIGISTANT ® Termination Link The master station sends <EOT> to indicate that it does not have any more data to transmit. <EOT> transfers master status back to the termination control station. Explanation After link establishment in accordance with the ANSI X3.28 Subcat 2.5 protocol, the data is transmitted in accordance with Subcat.

  • Page 84: Timer Function In Accordance With Ansi X 3.28

    DIGISTANT Model 4420-V001 ® Timer func- The timers defined in the ANSI standard are used for indicating that a particular control character was not received within a specified tions in acc- time interval. ordance with Timer A ( response timer ) ANSI X3.28 Timer A is used by the transmitting station as protection against no response or an invalid one.

  • Page 85: Flow Chart Of Link Establishment

    Model 4420-V001 DIGISTANT ® Flow chart The following diagram shows the establishment of a link between a system controller and the 4420-V001. The 4420-V001 has a group address of 0 of link and a user address of 0. establish- Slave ment in ac- The controller sends a selection Master...

  • Page 86: Scpi Instruction List For The Model 4420-V001 Digistant

    DIGISTANT Model 4420-V001 ® 5.2. SCPI Instruction list for the DIGISTANT model 4420-V001 ® 5.2.1 SCPI Version SCPI version: 1993.0 The SCPI version can be requested with the instruction SYSTem:VERSion? . 5.2.2 Measurement Instructions CONFigure: CURRent DESCRIPTION: The device is switched to current measurement if it is in the measurement mode or simultaneous transmission and measurement mode.
  • Page 87 Model 4420-V001 DIGISTANT ® Response of the device: Pt100 -> If Pt100 is set. Ni100 -> If Ni100 is set. Pt200 -> If Pt200 is set. Pt500 -> If Pt500 is set. Pt1000 -> If Pt1000 is set. Restrictions: Instruction not permissible if - device in ramp mode, - device in calibration mode, - measurement in progress.
  • Page 88 DIGISTANT Model 4420-V001 ® CONFigure: P_Current DESCRIPTION: The device is switched to simultaneous measure P (pressure) and measure I (voltage) if it in the measuring mode not with simultaneous transmission and measurement. SYNTAX: CONFigure:P_Current Parameters: No parameter Enquiry form: non enquiry form REMARKS: Restrictions: The command isn't allowed in the following cases:...

  • Page 89: Calculate Subsystem

    Model 4420-V001 DIGISTANT ® Enquiry form: Only enquiry form If a measured value is available, it is returned together with it's unit. Restrictions: The command isn't allowed in the following cases: - a measurement is started - the device is in the adjustment mode - the device is in the ramp mode - with simultaneous transmission and measurement FETCh:P?

  • Page 90: Calibration Subsystem

    DIGISTANT Model 4420-V001 ® 5.2.4 CALibration Subsystem The instructions of this system are meant for calibrating the device. CALibration:STATe DESCRIPTION: The calibration mode is activated or deactivated. SYNTAX: CALibration:STATe <parameter> Parameters: 1 or ON -> The calibration mode is activated. 0 or OFF ->...
  • Page 91 Model 4420-V001 DIGISTANT ® CALibration:VOLTage:HIGH DESCRIPTION: Preliminary: This instruction is meant for calibrating the voltage transmitter and the voltage measurement section over a particular range. The measurement input must be connected with the transmission output. An external voltage- measurement device must also be connected with the voltage transmission output.
  • Page 92 DIGISTANT Model 4420-V001 ® CALibration:VOLTage:DATA? DESCRIPTION: The calibration values from the voltage transmission and voltage measurement section are fetched. SYNTAX: CALibration:VOLTage:DATA? <parameter> Parameters: -> The calibration values of the voltage measurement section are supplied. OUT -> The calibration values of the voltage transmission section are supplied.
  • Page 93 Model 4420-V001 DIGISTANT ® CALibration:CURRent:HIGH DESCRIPTION: Preliminary: This instruction is meant for calibrating the voltage transmitter and the voltage measurement section over a particular range. The measurement input must be connected with the transmission output. An external current-measurement device must also be connected with the transmission output.
  • Page 94 DIGISTANT Model 4420-V001 ® CALibration:CURRent:DATA? DESCRIPTION: The calibration values from the current transmission and current measurement section are fetched. SYNTAX: CALibration:CURRent:DATA? <parameter> Parameters: -> The calibration values of the current measurement section are supplied. OUT -> The calibration values of the current transmission section are supplied.
  • Page 95 Model 4420-V001 DIGISTANT ® CALibration:RREF:HIGH DESCRIPTION: Preliminary: This instruction is meant to calibrate the 1.98 kΩ reference resistor. A known resistor in the range of 1.9-2 kΩ is connected externally for this purpose. Calibration is performed by measuring the voltage drop across the external resistor and the internal reference resistor.
  • Page 96 DIGISTANT Model 4420-V001 ® CALibration:PT100:DATA? DESCRIPTION: The correction factor of the internal Pt100 can be requested here. SYNTAX: CALibration:PT100:DATA? Parameters: No parameters REMARKS: Enquiry form: Only enquiry form Response: The correction factor of the internal Pt100. Restrictions: This instruction is only permissible in the calibration mode. This instruction is not permissible if a calibration measurement is in progress.

  • Page 97: Datalogger Subsystem

    Model 4420-V001 DIGISTANT ® CALibration:RTD DESCRIPTION: Preliminary: This instruction is meant to calibrate the RTD simulator over a particular current and resistance range. The LOW and HIGH values in this range must already have been output. The two corresponding measurement values are transferred as part of the parameter and used as a basis for determining the calibration values.
  • Page 98 DIGISTANT Model 4420-V001 ® CONFigure: CURRent DESCRIPTION: The device is switched to current measurement if it is in the measurement mode or the simultaneous transmission and measurement mode. SYNTAX: CONFigure:CURRent Parameters: No parameters REMARKS: Enquiry form: No enquiry form Restrictions: Instruction not permissible if - device in ramp mode, - device in calibration mode, - measurement in progress.
  • Page 99 Model 4420-V001 DIGISTANT ® REMARKS: Enquiry form: No enquiry form Restrictions: Instruction not permissible if - device in ramp mode, - device in calibration mode, - device not in data logger mode. DATalogger:CLEar:LASTval DESCRIPTION: The measurement value recorded last is cleared. SYNTAX: DATalogger:CLEar Parameters:...
  • Page 100 DIGISTANT Model 4420-V001 ® Parameters: Numerical value between 0 and 9999. This value is interpreted as the storage time in seconds. REMARKS: Enquiry form: DATalogger:TIME Response: The currently set storage time in seconds. Restrictions: Instruction not permissible if - device in ramp mode, - device in calibration mode, - measurement in progress.

  • Page 101: Display Subsystem

    Model 4420-V001 DIGISTANT ® 5.2.6 DISPlay Subsystem DISPlay:BACKlight DESCRIPTION: The LED background lighting for the CD is activated or deactivated. SYNTAX: DISPlay:BACKlight <parameter> Parameters: ON or 1 -> The background lighting is activated. OFF or 0 -> The background lighting is deactivated.

  • Page 102: Instrument Subsystem

    DIGISTANT Model 4420-V001 ® Response by the device: -> If external grounding is set. -> If internal grounding is set. AUTO -> If automatic grounding is set. Restrictions: Instruction not permissible if - device in ramp mode, - device in calibration mode, - measurement in progress.

  • Page 103: Ramp Subsystem

    Model 4420-V001 DIGISTANT ® 5.2.9 RAMP Subsystem RAMP:STOP DESCRIPTION: The ramp is stopped. SYNTAX: RAMP:STOP Parameters: No parameters REMARKS: Enquiry form: No enquiry form Restrictions: This instruction is only permissible in the ramp mode. RAMP:START DESCRIPTION: The ramp is started. SYNTAX: RAMP:STARt Parameters:...
  • Page 104 DIGISTANT Model 4420-V001 ® SENSe:CORRection:OFFSet:STATe DESCRIPTION: Here, you can specify whether or not the lead resistance RL should be considered for RTD measurement. SYNTAX: SENSe:CORRection:OFFSet:STATe <parameter> Parameters: ON or 1 -> RL is subtracted from the RTD measurement value, OFF or 0 -> RL is not considered. REMARKS: Enquiry form: SENSe:CORRection:OFFSet:STATe?
  • Page 105 Model 4420-V001 DIGISTANT ® SENSe:TCOuple:REFJunction:TMINO DESCRIPTION: The temperature value related to 0 mA is set for RJ -> 0-20MA. SYNTAX: SENSe:TCOuple:REFJunction:TMINO <parameter> Parameters: Temperature value in a range of 0 to 3000 K. If the parameter only consists of a numerical value, the default unit is used. It is also possible to transmit a unit explicitly.
  • Page 106 DIGISTANT Model 4420-V001 ® SENSe:TCOuple:REFJunction:TMAX4 DESCRIPTION: The temperature value related to 20 mA is set for RJ -> 4-20MA. SYNTAX: SENSe:TCOuple:REFJunction:TMAX4 <parameter> Parameters: Temperature value in a range of 0 to 3000 K. If the parameter only consists of a numerical value, the default unit is used. It is also possible to transmit a unit explicitly.

  • Page 107: Source Subsystem

    Model 4420-V001 DIGISTANT ® SENSe:REFerence:FETCh? DESCRIPTION: The away-tared value during pressure measurement can be queried. SYNTAX: SENSe:REFerence:FETCh? Parameters: No parameter Enquiry form: Only enquiry form Answer: The away-tared value with associated. REMARKS: Restrictions: The command is only allowed if measure P (pressure) is switched on (also with simultaneous transmission U/I or measure U/I).
  • Page 108 DIGISTANT Model 4420-V001 ® SOURce:CORRection:OFFSet:STATe DESCRIPTION: Here, you can specify whether or not the lead resistance RL should be considered for RTD transmission. SYNTAX: SOURce:CORRection:OFFSet:STATe <parameter> Parameters: ON or 1 -> RL is added to the RTD transmission value, OFF or 0 -> RL is not considered.
  • Page 109 Model 4420-V001 DIGISTANT ® SOURce:TCOuple[:LEVel][:IMMediate][:AMPLitude] DESCRIPTION: This instruction is meant to simulate a temperature for a thermocouple. SYNTAX: SOURce:TCOuple[:LEVel][:IMMediate][:AMPLitude] <parameter> Parameters: Float value, with optional unit. Value range: Depending on the thermocouple Valid units: C or CEL, F or FAR and K Default unit: Depending on the setting.
  • Page 110 DIGISTANT Model 4420-V001 ® SOURce:RECall DESCRIPTION: The actual transmission value and corresponding delta-X value are retrieved from a memory location. SYNTAX: SOURce:RECall <parameter> Parameters: Integer value between 0 and 9. This number corresponds to the memory number from which the value pair is retrieved. REMARKS: Enquiry form: No enquiry form...
  • Page 111 Model 4420-V001 DIGISTANT ® SOURce:VOLTage:DELTa DESCRIPTION: This instruction is meant to set a delta-X voltage value. SYNTAX: SOURce:VOLTage:DELTa <parameter> Parameters: Float value, with optional unit. Value range: 0 to 22MA Valid units: UV, MV, V, KV, MAV Default unit: REMARKS: Enquiry form: SOURce:VOLTage:DELTa? On this enquiry, the delta-X voltage value is supplied in exponential...
  • Page 112 DIGISTANT Model 4420-V001 ® SOURce:TCOuple:REFJunction DESCRIPTION: The reference junction for TC transmission is set here. SYNTAX: SOURce:TCOuple:REFJunction <parameter> Parameters: -> Internal reference junction TC+RJ-MAN -> Manual reference junction TC+RJ-AUT -> External reference junction TC+4-20MA -> Current output 4 to 20 mA TC+0-20MA ->...
  • Page 113 Model 4420-V001 DIGISTANT ® SOURce:TCOuple:REFJunction:TMAX0 DESCRIPTION: The temperature value related to 20 mA is set here for RJ-> TC+0-20MA. SYNTAX: SOURce:TCOuple:REFJunction:TMAX0 <parameter> Parameters: Temperature value in a range of 0 to 3000 K. If the parameter only consists of a numerical value, the default unit is used. An explicit unit can also be transmitted.
  • Page 114 DIGISTANT Model 4420-V001 ® SOURce:CURRent:RANGe:AUTO DESCRIPTION: Automatic or manual range selection for Ι transmission is set here. SYNTAX: SOURce:CURRent:RANGe:AUTO <parameter> Parameters: ON or 1 -> Automatic range selection OFF or 0 -> Manual range selection REMARKS: Enquiry form: SOURce:CURRent:RANGe:AUTO? Parameters: ON or 1 ->...
  • Page 115 Model 4420-V001 DIGISTANT ® SYNTAX: SOURce:VOLTage:RANGe <parameter> Parameters: Float value, with optional unit. Value range: 0 to 11V Valid units: UV, MV, V, KV, MAV Default unit: REMARKS: Enquiry form: SOURce:VOLTage:RANGe? On this enquiry, the voltage value is supplied in exponential form (as volts) without an explicit unit.
  • Page 116 DIGISTANT Model 4420-V001 ® Parameters: FIXed -> Standard transmission mode SWEep -> Ramp 1 LIST -> Ramp 2 REMARKS: Enquiry form: SOURce:MODE? Response: FIXed -> If the standard transmission mode is set. SWEep -> If ramp 1 is set. LIST ->...
  • Page 117 Model 4420-V001 DIGISTANT ® REMARKS: Enquiry form: SOURce:CURRent:STARt? Response: The set current start-value in amperes. The unit is not transmitted. Restrictions: Instruction not permissible if - device in calibration mode - (only) measurement in progress - device in ramp mode SOURce:VOLTage:STARt DESCRIPTION: A voltage start-value for ramp 1 is set here.
  • Page 118 DIGISTANT Model 4420-V001 ® Response: The actual RTD start-value with the selected unit. The unit string is also transmitted. Restrictions: Instruction not permissible if - device in calibration mode - (only) measurement in progress - device in ramp mode SOURce:CURRent:STOP DESCRIPTION: A current final-value for ramp 1 is set here.
  • Page 119 Model 4420-V001 DIGISTANT ® SOURce:RESistance:STOP DESCRIPTION: An RTD final-value for ramp 1 is set here. SYNTAX: SOURce:RESistance:STOP <parameter> Parameters: Numerical value, with optional unit. Value range: 0 to 3000 K or 0 to 2kΩ Valid units: C or CEL, F or FAR, K UOHM, MOHM, OHM, KOHM, MAOHM Default unit: Depending on the setting...
  • Page 120 DIGISTANT Model 4420-V001 ® SOURce:TCOuple:STEP DESCRIPTION: A TC delta-value for ramp 1 is set here. SYNTAX: SOURce:TCOuple:STEP <parameter> Parameters: Numerical value, with optional unit. Value range: 0 to 3000 K or 0 to 2kΩ Valid units: C or CEL, F or FAR and K Default unit: Depending on the setting REMARKS:...
  • Page 121 Model 4420-V001 DIGISTANT ® SOURce:LIST:WAVeform DESCRIPTION: The waveform for ramp 2 is set here. SYNTAX: SOURce:LIST:WAVeform <parameter> Parameters: TRIangle -> Triangular waveform. SAWTooth -> Sawtooth waveform. REMARKS: Enquiry form: SOURce:LIST:WAVeform? Parameters: -> If a triangular waveform has been set. SAWT ->...
  • Page 122 DIGISTANT Model 4420-V001 ® Response: The currently selected list number. Restrictions: Instruction not permissible if - device in calibration mode - (only) measurement in progress - device in ramp mode SOURce:LIST:CURRent DESCRIPTION: For setting ramp 2. The current value of the list element corresponding to the selected list number is set here.
  • Page 123 Model 4420-V001 DIGISTANT ® SOURce:LIST:RESistance DESCRIPTION: For setting ramp 2. The RTD value of the list element corresponding to the selected list number is set here. The list number is selected with the SOURce:LIST:NUMBer instruction. SYNTAX: SOURce:LIST:RESistance <parameter> Parameters: Numerical value, with optional unit. Value range: 0 to 3000 K or 0 to 2kΩ...

  • Page 124: Status Subsystem

    DIGISTANT Model 4420-V001 ® 5.2.12 STATus Subsystem STATus:OPERation:CONDition? DESCRIPTION: The Operation Status Condition Register is read out. SYNTAX: STATus:OPERation:CONDition? Parameters: No parameters REMARKS: Enquiry form: Only enquiry form The contents of the register are supplied as a decimal value (0 to 32767). STATus:OPERation:ENABLe DESCRIPTION: The Operation Status Enable Register is set.

  • Page 125: System Subsystem

    Model 4420-V001 DIGISTANT ® Parameters: Decimal value Value range: 0 to 32767 REMARKS: Enquiry form: STATus:QUEStionable:ENABle? The contents of the register are supplied as a decimal value (0 to 32767). STATus:QUEStionable[EVENt]? DESCRIPTION: The Questionable Status Event Register is read out. SYNTAX: STATus:QUEStionable[EVENt]? Parameters:...
  • Page 126 DIGISTANT Model 4420-V001 ® List of error messages: 0,“NO ERROR“ No error has occurred. -100,“COMMAND ERROR“ An invalid instruction was sent. -101,“INVALID CHARACTER“ An instruction contains an invalid character. -105,“GET NOT ALLOWED“ A GET-instruction was sent as part of another instruction. -109,“MISSING PARAMETER“...
  • Page 127 Model 4420-V001 DIGISTANT ® SYSTem:KLOCk DESCRIPTION: The Operation Status Condition Register is read out. SYNTAX: SYSTem:KLOCk <parameter> Parameters: 1 or ON -> Keyboard is disabled. 0 or OFF -> Keyboard is enabled. REMARKS: Enquiry form: SYSTem:KLOCk? If the keyboard is disabled, a 1 is supplied. If the keyboard is enabled, a 0 is supplied.

  • Page 128: Trigger Subsystem Abort, Initiate

    DIGISTANT Model 4420-V001 ® 5.2.14 TRIGger Subsyste, ABORT, INITiate ABORt DESCRIPTION: A measurement is stopped. SYNTAX: ABORt Parameters: No parameters REMARKS: Enquiry form: No enquiry form Restrictions: Instruction not permissible if - device in data logger mode - device in calibration mode - device in ramp mode - device in transmission (only) mode.

  • Page 129: Ieee488.2 Befehle

    Model 4420-V001 DIGISTANT ® UNIT:TEMPerature:FRTD DESCRIPTION: The unit for measuring and simulating a Pt100 is set here. SYNTAX: UNIT:TEMPerature:FRTD <parameter> Parameters: -> The Kelvin unit is selected. C or CEL -> The Celsius unit is selected. F or FAR -> The Farenheit unit is selected.
  • Page 130 No parameters REMARKS: Enquiry form: Only enquiry form Response by the device: BURSTER,DIGISTANT 4420-V001,VERSION:VXXXX,CAL: CXXX *OPC DESCRIPTION: The device is set to the Operation-Complete-Active-State (OCAS). In this state, the Operation-Complete-Bit in the Standard-Event-Register is set after the completion of an operation.
  • Page 131 Model 4420-V001 DIGISTANT ® *OPC? DESCRIPTION: The device is set to the Operation-Complete-Query-Active-State (OCQAS). In this state, the device writes "1<CR><LF" to the output buffer after the completion of an instruction. SYNTAX: *OPC? Parameters: No parameters REMARKS: Enquiry form: Only enquiry form. The same instruction without an enquiry form has a different meaning.
  • Page 132 DIGISTANT Model 4420-V001 ® *WAΙ DESCRIPTION: This instruction sets a device such that all instructions are executed sequentially. This instruction does not have any effect in the 6706, as instructions are always processed sequentially. SYNTAX: *WAΙ Parameters: No parameters REMARKS: Enquiry form: No enquiry form *SAV...

  • Page 133: Status Register

    Model 4420-V001 DIGISTANT ® 5.2.17 Status Register Standard Event Status Register Bits used Meaning Bit 0 Operation Complete The bit is set as a response to the *OPC instruction. Itindicates that the last instruction has been executed. Bit 2 Query Error This bit indicates that: 1.

  • Page 134: Cstat System

    DIGISTANT Model 4420-V001 ® 5.2.18 CSTat Subsystem The instructions of this subsystem are meant for status examination after faulty calibration. The statuses of the individual calibration values are stored in registers. In case of an error, the corresponding bit is set to 1. The error status remains valid until the calibration mode is invoked again.
  • Page 135 Model 4420-V001 DIGISTANT ® CSTat:ΙN? DESCRIPTION: The calibration status of the voltage measurement section can be requested here. SYNTAX: CSTat:ΙN? Parameters: No parameters REMARKS: Enquiry form:Only enquiry form Response by the device: A 18-bit word in decimal form. In case of an error, the corresponding bit is set to 1.
  • Page 136 DIGISTANT Model 4420-V001 ® CSTat:U:IN? DESCRIPTION: The adjustment status of voltage-measure-part can be queried. SYNTAX: CSTat:U:IN? Parameters: No parameter REMARKS: Enquiry form: Only enquiry form Response by the device: a 18 bit word in decimal form. In the case of an error the appropriate bit is set to 1.

  • Page 137: Route Subsystem

    Model 4420-V001 DIGISTANT ® 5.2.19 ROUTe Subsystem ROUTe:MODule:DEFine DESCRIPTION: The designation of a pressure module is received. A marking is assigned to a pressure module with the number 0 to 9. SYNTAX: ROUTe:MODule:DEFine <nr>,<name> Parameters: nr → the number of the pressure modules (0 to 9) name →...
  • Page 138 DIGISTANT Model 4420-V001 ® Answer: <ul>,<pl>,<uh>,<ph> Voltage value ul in µV with pressure pl in adjusted unit. (Values near zero point) Voltage value uh in µV with pressure ph in adjusted unit. (Values near final value) REMARKS: Restrictions: In the following cases the command is not permitted: - a measurement is stated - the equipment is in the adjustment mode - the equipment is in the ramp mode...
  • Page 139 Model 4420-V001 DIGISTANT ® Parameters: nr → The number of the pressure modules (0 to 9) Unit → A max. 8 digit unit from the associated pressure module maxpressure → The max. pressure from the associated pressure module Numerically value without unit. Those the pressure module assigned unit is used.

  • Page 140: Diagnostic Subsystem

    DIGISTANT Model 4420-V001 ® 5.2.20 DIAGnostic Subsystem DIAGnostic:MODule:BATTery:INITiate DESCRIPTION: The measurement of the battery voltage of an attached pressure module is started. SYNTAX: DIAGnostic:MODule:BATTery:INITiate Parameter: No parameters Enquiry form: non equiry form Remarks: Restrictions: The instruction is only permitted if measure pressure is adjusted (also with simul- taneouse transmission U/I or measure U/I) and the measurement is not stated.

  • Page 141: Sample Application

    REM Sprache : QBASIC Betriebssystem: MS-DOS 6.22 REM Funktion : Mit diesem Testprogramm können SCPI-Befehle über die RS232 Schnittstelle zu Burster Geräten gesendet und die Antwort empfangen werden. REM************************************************************************ OPEN „COM1:9600,N,8,1“ FOR RANDOM AS #3 ‘ RS232 INITIALISIEREN ‘ BILDSCHIRM LÖSCHEN PRINT „...
  • Page 142 DIGISTANT Model 4420-V001 ® PRINT „ „ WEND ‘Bildschirm löschen ‘Programm Ende SYSTEM ‘Kontrolle an Betriebssystem SENDBEFEHL: ‘Subroutine Aussenden des Befehls LOCATE 15, 1 PRINT „ „ LOCATE 15, 1 PRINT „Gesendeter Befehl: „, befehl$ PRINT #3, STX$ + befehl$ + lf$ + etx$ ‘ Start Befehl senden ant$ = „“...

  • Page 143: Maintenance And Customer Service

    Fax: +49-7224-64588 6.3 Manufacturer´s guarantee burster guarantees reliable operation of the device for a period of 12 months following delivery. All repairs required within this period will be performed free-of-charge. Damage caused through improper handling of the device is not covered by the guarantee.

  • Page 144: Cleaning

    DIGISTANT Model 4420-V001 ® 6.4 Cleaning Clean the front panel and housing with water-soluble detergents; do not use benzols. 6.5 Handling batteries Auxiliary power is supplied by an integrated Ni-MH accumulator. This accumulator is fully protected against overload and deep discharge. However, should it become necessary to replace the accumulator, send the DIGISTANT®...

  • Page 145: Technical Data

    Model 4420-V001 DIGISTANT ® 7. Technical data 7.1 Measure and source Page 145...

  • Page 146: Interference-Suppression Class

    Model 4420-V001 ® 7.2 Interference-suppression class The interference-suppression class B specified by the VDE (Association of German Electrical Engineers) standard 0871 is only adhered to in conjunction with the burster type 4495-V001 power supply unit. 7.3 Long-term stability Long-term stability: <...

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