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IDL 101
COMMUNICATION

HB_IDL101_E_V222.doc

59

Gantner Instruments Test & Measurement GmbH

10. COMMUNICATION

10.1. General Remarks

10.1.1. Bus

Interface

The bus interface of the

Datalogger IDL 101 is a RS485 interface according to the specifications of the EIA-RS485 USA

standard.

The host interface is a RS-232 interface according to the specifications of the EIA-RS232.

10.1.2. Bus Protocol

For

the

Data logger the following transmission protocols are available.

ASCII-protocol

PROFIBUS-protocol according to DIN 19245, part 1

MODBUS-RTU-protocol acc. to Reference Guide PI-MBUS-300 Rev. D

The ASCII-protocol and the PROFIBUS-protocol can be operated simultaneously by the data loggers at the baud rates
9.6 kbps and 19.2 kbps.

10.1.3. Character Formats

The

Datalogger IDL 101 supports the following character formats:

format

start

bit

data

bit

parity

bit

stop

bit

char.

length

ASCII

PROFIBUS

MODBUS

8N1 1 8 N 1 10 X

-

X

8E1 1 8 E 1 11 X

X

X

8O1 1 8 O 1 11 X

-

X

8N2 1 8 N 2 11 X

-

X

8E2 1 8 E 2 12 X

-

X

8O2 1 8 O 2 12 X

-

X

Table 11.1 Supported character transfer formats

The character format 8E1 with even parity (E=even) corresponds to the PROFIBUS-definitions according to DIN 19245,
part 1, and is supported by the data logger in the PROFIBUS-protocol as well as in the ASCII- and MODBUS-protocol.
This character format should thus also generally be selected for the transmission.

For modem couplings, which mostly can be carried out without a parity-bit, the character format 8N1 is available. This
character format is only supported by the ASCII- and MODBUS-protocol.

The character format is defined for the data logger via the

Configuration Software ICP 100. If there are no specifica-

tions to the contrary, the character format is factory adjusted to even parity (8E1) on delivery of the data logger.

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Содержание IDL 101

Страница 1: ...IDL 101 Instruction Manual...

Страница 2: ......

Страница 3: ...ims against the manufacturer based on the hardware or software products described in this manual shall depend exclusively on the conditions of the guarantee Any further reaching claims are excluded an...

Страница 4: ...IDL 101 2 HB_IDL101_E_V222 doc Gantner Instruments Test Measurement GmbH...

Страница 5: ...Also check that the delivery is complete accessories documentation auxiliary devices etc 6 If the packaging has been damaged in transport or should you suspect that it has been damaged or that it may...

Страница 6: ...ns for improvement you may confidently approach either your customer adviser or Gantner Instruments directly 14 However even if you just want to tell us that everything has functioned perfectly we sti...

Страница 7: ...nding 19 3 8 Lightning Protection 19 3 9 Bus Connection 20 3 10 Sensor Connection 21 3 11 Several Sensors at one Module 21 3 12 Module Jack ICM 100 21 3 13 Cold Junction Terminal ICJ 104 23 4 STRUCTUR...

Страница 8: ...7 9 INITIATION AND TEST 58 9 1 Before Connecting the Supply 58 9 2 After Connecting the Supply 58 9 3 Configuration of the Data Logger 58 10 COMMUNICATION 59 10 1 General Remarks 59 10 1 1 Bus Interfa...

Страница 9: ...easurement of Resistance 87 11 5 Analog Output 1 per Module 87 11 6 Digital Inputs Outputs 6 per Module 88 11 7 Interfaces 88 11 8 Operating Conditions 88 11 9 Electromagnetic Compatibility 89 11 10 C...

Страница 10: ...or from other appliances and facilities as well as possible endangering of human lives or tangible assets cannot be excluded Therefore if you have not yet worked with the Datalogger IDL 101 you should...

Страница 11: ...via thermocouples you can also work with an internal cold junction compensation referred to terminals in addition to the external cold junction compensation The preparation of signals required in acc...

Страница 12: ...e error handling Calculation of average value Internal storage 512 kB RAM Inputs and Outputs 6 analog inputs 2 and 4 wire 1 analog output 16 digital inputs outputs configurable Power Supply power supp...

Страница 13: ...ng rate and averaging interval time controlled outputs master function Programming loading of a new download program allocation of address baud rate character format and protocol via bus automatic sea...

Страница 14: ...tomatically With the new function editor sensor signals can be connected with mathematical and logical functions Also the adjustment of PID controllers is much easier now At start up of the Configurat...

Страница 15: ...with no sensors connected Column 4 The type of measurement is displayed For analog and digital sensor variables the following types of measurement are available Analog Sensors Digital Sensors Measurem...

Страница 16: ...g the unit field length and number of decimals are indicated For transmission in binary format Boolean Integer or Real is indicated in addition to these The measured values and the corresponding trans...

Страница 17: ...arisation Determination of measurement range Programmable error handling Arithmetic combination of sensor channels Maximum and minimum indicator function Configuration on file offline operation Config...

Страница 18: ...p snap in In order to take the module off the DIN rail slide the module sideward off the rail or in case it is not possible lift the module slightly so that the straps on the top get off the notch and...

Страница 19: ...for Digital I Os 6 6 analog inputs 2 LED RUN green 7 Power supply 3 LED ERR red 8 RS 485 interface 4 Rapid Bus Link Plug 9 RS 232 interface 5 Analog Output 10 16 digital I Os Table 3 1 Elements on th...

Страница 20: ...performed by assistance of a small screwdriver placed as a lever between terminal strip and module front No more than 2 leads should be connected with one clamp In this case the leads should have the...

Страница 21: ...current requirement 3 7 Grounding The shell of the Datalogger IDL 101 has to be connected to earth For this purpose an M3 thread for attaching an grounding cable is located on the back side of the she...

Страница 22: ...the removable terminal strip the bus connection to other modules remains valid even if one module has to be replaced by another Notice The terminal designations A and B are exchanged compared with th...

Страница 23: ...hing relays for larger loads acoustic signal installations buzzer respectively beeper etc as long as the connected loads are not exceeding the values described in the technical specifications chapter...

Страница 24: ...e 3 7 Connection of two ISM modules to the Datalogger IDL 101 with a Module Jack ICM 100 OUT OUT OUT OUT SUPPLY B U S A B 10 30V 0 V ADR B U Profile Rail 35 mm 1 4 inch Rapid Bus Link Plugs ICM 100 A...

Страница 25: ...measuring via thermocouples with internal cold junction compensation the terminal strip for the analog inputs simply will be replaced with the cold junction compensation terminal strip ICJ 104 which i...

Страница 26: ...erfaces To arrange a system only the RS 485 interface is useful In the Transparent Mode the data are transferred from RS 232 to the RS 485 interface Bus interface RS 485 half duplex Bus topology line...

Страница 27: ...transmission 600 m 1 950 ft RS 232 RS 422 RS 485 line length Figure 4 1 Interrelation between transmission speed and line length 4 2 Bus Structure The bus structure is a line structure where each bus...

Страница 28: ...line lengths amount to 1 200 m 3 900 feet per bus segment with 187 5 kbps the line length is reduced to 600 m 1 900 feet per bus segment specifications according to USA standard EIA RS422 A Thus with...

Страница 29: ...N Shield Protective Ground Reserved for Power Receive Transmit Data P Control P Data Ground Voltage Plus Reserved for Power Receive Transmit Data N Control N Table 4 2 Pin assignment D subminiature p...

Страница 30: ...odule according to figure 4 6 In this case we recommend the use of the indicated resistors for the bus termination Or the bus termination is connected with the bus users at the beginning and at the en...

Страница 31: ...ld be connected with the protective grounding not DataGround at each bus connection If necessary the shield should be applied additionally several times along the course of the cable With smaller dist...

Страница 32: ...output are dc decoupled The interface converter is also applicable for remote power feeding Further more the interface converter ISK 200 offers the opportunity to connect in addition the necessary bu...

Страница 33: ...tion of the power supply has to be fed through as a compensating line from connection to connection 4 11 Adjustment of Address and Baud Rate Before a control PLC or a computer PC can interchange data...

Страница 34: ...onfiguration Software ICP 100 The download is carried out as described in the short description for the Configuration Software ICP 100 From the LEDs at the front of the sensor modules you can see whic...

Страница 35: ...The 16 digital inputs outputs of the Datalogger IDL 101 can be configured independent of each other as inputs or as outputs The current status in out is signalized by one for power saving via softwar...

Страница 36: ...Datalogger IDL 101 B AIn AIn AIn AIn AIn AIn A SOURCE SOURCE SOURCE SOURCE SOURCE SOURCE RS 485 Interface A D Converter RUN LED ERROR LED RTC Buffered RAM Buffered FLASH EEPROM Voltage Regulator RS 2...

Страница 37: ...lized easily among other things So the data logger can be occasioned by means of appropriate configuration to provide a corresponding signal at the digital I O in case of alarm The digital I Os are di...

Страница 38: ...rocesses the signals of the most common transducers Currently a large number of standardized and proprietary sensors are deposited in the Configuration Software ICP100 and will be copied to the data l...

Страница 39: ...I N 1 SOURCE In In AGND SOURCE In In AGND SOURCE Figure 6 2 Measurement of voltage differential Two types of measurement are available for measurement of voltage with the Datalogger IDL 101 single end...

Страница 40: ...put AIn and analog ground AGND The load on the source of electricity that is required for the measuring is regulated by an external resistor Rext to the amount of 50 This results in a measuring range...

Страница 41: ...rnally with the analog measurement input via a reference resistor Ro The fall of potential Uo via the resistor Ro is required as a reference for further signal processing by the data logger The value...

Страница 42: ...ce measuring in 4 wire technique the fall of potential is picked up directly at the sensor so that the measuring results are not influenced by the supply lines any longer Notice Measuring by a resista...

Страница 43: ...have to be determined In the first case this is called internal cold junction compensation TCint in the second case external cold junction compensation TCext At the measuring of temperature with inter...

Страница 44: ...he Analog Output Channel and to output them as analog set values Analog Signal Output Figure 6 8 Analog Signal Output With the analog signal output the value which is assigned to the Analog Output Cha...

Страница 45: ...easurement the measurement rate is 100Hz Digital Status Recording Figure 6 9 Digital status recording I O 1 status 0 1 0 1 signal diagram For the acquisition of digital status information on off close...

Страница 46: ...g in a particular time interval at the digital input The user can preset this time interval by signalizing the time base TB in the range between 0 1 sec and 10 sec The frequency is calculated by the s...

Страница 47: ...ured fu 0 1 Hz TB 1 fu 10 s lowest frequency or frequency change to be measured fu 100 Hz ZB 1 fu 0 1 s Progressive Counter Figure 6 11 Progressive counter I O 1 counting 1 1 1 1 1 counting n 1 n 2 n...

Страница 48: ...e supports digital status output host controlled digital status output process controlled Via the digital inputs outputs I O 01 to I O 16 on the Datalogger IDL 101 digital status information or measur...

Страница 49: ...ording to the status information received by the data logger via bus The distribution voltage of the load can range from 10 to 30 VDC load current max 100mA It has to be either supplied externally or...

Страница 50: ...or several threshold conditions are fulfilled The constraints can be freely defined by the user The user can also preset the logical signal level see also the Configuration Software ICP 100 The distr...

Страница 51: ...ion to base e exp 3 92 ms absolute value abs 0 10 ms logarithm to base e ln 3 70 ms logarithm to base 10 log 3 80 ms integrator integ 0 20 ms differentiator deriv 0 20 ms sine sin 3 20 ms cosine cos 3...

Страница 52: ...ve full scale will be assigned to the Arithmetic Variable Logarithm to Base 10 log This function determines the logarithm of a value to the base of 10 For a value 0 the negative full scale will be ass...

Страница 53: ...ill be set back to the original value of the measuring pointer Notice In order to prevent an effect of disturbances of the sensor signals on the functions min max low and high of the Arithmetic Variab...

Страница 54: ...l via bus This is carried out by means of the Configuration Software ICP 100 6 8 Error Handling The Datalogger IDL 101 can independently detect certain defects which are consequence of a line break sh...

Страница 55: ...101 is done via this interface To arrange such a measurement system with the Datalogger IDL 101 ISM and e bloxx modules follow the described steps and pay attention to it Already configured ISM 100 s...

Страница 56: ...ee the online help of the Configuration Software ICP 100 7 1 1 Normal Mode This mode is the normal type of operation and will be set to the Datalogger IDL 101 automatically after power on The data log...

Страница 57: ...S 485 interface are also used for the RS 232 interface After return to the normal mode the old and possible different adjustment are activated again for both interfaces The transparent mode is usually...

Страница 58: ...utput and the corresponding space enabled Every record consists of length information date time and measured values L Time Date M1 M2 Mx S1 S2 Sx L Length of record 2 Byte Time Date and time of record...

Страница 59: ...red values selected for storage will continuously be written to internal or external memory with the pre set averaging interval 8 2 3 Conditional Data Storage Measured values will be stored in the mem...

Страница 60: ...LED ERR red LED meaning off The distribution voltage has been selected too low or the power supply cannot supply the required power off flash The data logger is in the monitor mode A valid program ha...

Страница 61: ...ng character formats format start bit data bit parity bit stop bit char length ASCII PROFIBUS MODBUS 8N1 1 8 N 1 10 X X 8E1 1 8 E 1 11 X X X 8O1 1 8 O 1 11 X X 8N2 1 8 N 2 11 X X 8E2 1 8 E 2 12 X X 8O...

Страница 62: ...nge of values unit dependent on sensor field length 1 8 decimals 0 field length 1 max 6 Table 10 2 Format settings for transmission in the ASCII format format settings length range of values b o o l 1...

Страница 63: ...sion in the PROFIBUS and the MODBUS format the decimal notation is given in parentheses The following points have to be kept in mind from this example Decimals are not cut off but are rounded off In c...

Страница 64: ...ues and adjustment range for the times T1 T2 and T3 CT character time 1 CT character length bit baud rate bps Notice In the ASCII protocol T2max amounts at least 80 msec The values for T2min and T3max...

Страница 65: ...SD request telegram response telegram with check sum without check sum Table 10 8 Start Delimiter SD in the ASCII protocol DA Destination Address length 2 byte The Destination Address DA identifies th...

Страница 66: ...rderly performance of the instruction is acknowledged by an Acknowledge character hex 06 NAK No Acknowledge length 1 byte When a request has not been performed orderly a No Acknowledge hex 15 is sent...

Страница 67: ...cc cr NAK without aa X cr n n cr NAK Write measuring rate and averaging interval with aa Y n n cc cr ACK NAK without aa Y n n cr ACK NAK Reset pointer with aa C cc cr ACK NAK without aa C cr ACK NAK...

Страница 68: ...ion 12 ASCII String b b events 21 840 ASCII String d d variable value Max 8 ASCII String i i Variable information 31 ASCII String e error code 1 ASCII 1 3 t t date and time 12 ASCII String n n measuri...

Страница 69: ...error has occurred in the data logger Valid is M1 1 EEPROM error M5 1 RTD error M2 1 FLASH error M6 0 currently not occupied M3 1 ADC error M4 1 configuration error M16 0 currently not occupied varia...

Страница 70: ...ll only contain these fields if they have been defined The transmission of average values and extreme values will be performed by 8 hexadecimal characters in the IEE Std 754 Short Real Format Example...

Страница 71: ...T1 and T2 and the adjustment range in the following table 10 11 protocol baud rate T1 T2min T2max adjustable no no yes PROFIBUS 9 6 kbps 19 2 kbps 1 5 CT 16 BT 3 CT arbitrary Table 10 11 Values and ad...

Страница 72: ...response telegrams However a request telegram does not necessarily have to be succeeded by a response telegram of the same format In addition to that there is a telegram which consists of only one ch...

Страница 73: ...ful transmission or unsuccessful transmission For the entire listing coding and meaning of the Frame Control see the PROFIBUS Norm DIN 19245 part 1 ReqDataUnit Request Data Unit length 0 n byte The Re...

Страница 74: ...d to Request Response telegram example SD2 telegram SD2 LE ReqDataUnit DA DSAP LEr SD2 SA FC FCS ED Data Data Data Data DSAP SSAP DSAP SSAP SSAP 0 0 0 0 0 0 0 0 ResDataUnit A DSAP or SSAP entry respec...

Страница 75: ...data 15 SDA variable number pos neg acknowledge SDN variable number no response read write and tare reset variables SRD tare reset P1 Pn status K1 Kn 0 SDA tare reset P1 Pn pos neg acknowledge SDN ta...

Страница 76: ...short circuit in the line If a bit Mn in the module status is set it indicates that an error has occurred in the data logger Valid is M1 1 EEPROM error M5 1 RTD error M2 1 FLASH error M6 0 currently...

Страница 77: ...4 byte tare reset a variable length 1 byte variable number binary 1 byte read write and tare reset variables length 1 byte tare reset binary 1 byte variable value P1 binary 1 2 or 4 byte variable valu...

Страница 78: ...mum and maximum appearing values for T1 T2 and T3 and the adjustment range in the following table 10 14 protocol baud rate T1min T1max T2min T2max T3min T3max adjustable no no yes no no yes M O D B U...

Страница 79: ...and no End Delimiter too The first field after that idle interval is the ISM Address ADR followed by the function number FNR and the function parameters or data respectively At the end the telegrams c...

Страница 80: ...RC MSB LSB D1 Dn ADR IDL 101 address hex 00 7F FNR function number hex 03 REGSTA address of the first register to be read REGNUM number of registers to be read BYTNUM number of databytes max 64 D0 Dn...

Страница 81: ...64 CRC check sum CRC polynomial u15 u13 1 CRC start value hex FFFF Preset Single Register Description With this command a single register can be written ADR FNR request telegram 06 REGADR MSB LSB DATA...

Страница 82: ...A CRC MSB LSB A5 37 00 00 response telegram ADR FNR 08 SUBFCT DATA CRC MSB LSB A5 37 00 00 ADR IDL 101 address hex 00 7F FNR function number hex 08 SUBFCT subfunction number hex 0000 DATA dataword hex...

Страница 83: ...d 0 65535 0021 ro rw variable 1 real value low word 0 65535 0022 ro rw variable 2 real value high word 0 65535 0023 ro rw variable 2 real value low word 0 65535 002E ro rw variable 8 real value high w...

Страница 84: ...har 1000 101F variable information for variable 1 1020 103F variable information for variable 2 1040 105F variable information for variable 3 1060 107F variable information for variable 4 1080 109F va...

Страница 85: ...s hex 2 no tare reset storage of the channels enabled hex 3 tare reset valid storage of the channels enabled Register Type Content Length device information 0300 ro number of variables 2 byte 0301 030...

Страница 86: ...the bit Kn in the variable status is set it indicates that an error has occurred in variable n M1 1 EEPROM Error M2 1 FLASH Error M3 1 ADC Error M4 1 Configuration Error M5 1 No memory card M6 1 RTC e...

Страница 87: ...ading register 3001 The number of values depends on the configuration Reserved FD00 FFFF 10 5 Sample Program The problem definition is The measured value in channel 2 shall be read from the data logge...

Страница 88: ...te Fast 0s 1s 2s 3s 4s 5s 10s 20s 30s or 60 s selectable A D Converter 10 Bit 11 4 Analog Inputs 6 per Module Voltage range 0 10V 0 1V 50mV Resistance range 0 2000 80 200 Pt 100 11 4 1 Measurement of...

Страница 89: ...minutes The percentage correspondent to the measuring range 11 4 3 Measurement of Resistance Measuring principle 2 and 4 wire Numbers max 6 Measuring current 0 5 mA Measuring Range Pt100 40 C 60 C Pt1...

Страница 90: ...t Function Host out process out Output voltage max 30 VDC Output current max 100 mA Output frequency max 100 Hz Output state Open collector 11 7 Interfaces Base RS 485 RS 232 Data format adjustable 8E...

Страница 91: ...rds concerning CE marking are not relevant for the IDL 101 The IDL 101 is Labelled with the CE Sign Meaning of the Evaluation Criteria A During tests no functional impairment below documented minimal...

Страница 92: ...er Engineering Rel 30 A m 50 Hz EN 61000 4 8 93 Interference HF Fields Impulsive 300 A m 6 4 16 s EN 61000 4 9 93 A Damped 30 A m 0 1 1 MHz EN 61000 4 10 93 Fast Transients Power Supply 2 0 kV 5 kHz D...

Страница 93: ...ogger and its connection to the power supply in the user s installation In addition components are available which enable locally extensive bus structures to be build up Others enable a larger number...

Страница 94: ...o RS 485 or to regenerate signals in RS 485 field bus systems up to 500 kbps ICJ 104 4 Contact Cold Junction Terminal For connection thermocouples to the IDL 101 IDL 100 ICJ 108 8 Contact Cold Junctio...

Страница 95: ...0 V A B RX TX COM SOURCE AIn AIn RUN ERR I O 02 I O 04 10 30V RS 232 RS 485 SUPPLY SOURCE AIn AIn SOURCE AIn AIn SOURCE AIn AIn SOURCE AIn AIn SOURCE AIn AIn AOut I O 12 I O 14 I O 16 I O 15 I O 06 I...

Страница 96: ...OUT ARRANGEMENTS FOR ANALOG SENSORS measurement of voltage measurement of voltage measurement of current single ended differential single ended U In AGND U In AGND U In In AGND measurement of resistan...

Страница 97: ...22 doc 95 Gantner Instruments Test Measurement GmbH B PINOUT ARRANGEMENTS FOR DIGITAL SENSORS digital output I O 1 16 0 V status recording frequency measurement I O 1 16 0 V I O 1 16 0 V f progressive...

Страница 98: ...ISM 111 ACCURACY RESOLUTION 96 HB_IDL101_E_V222 doc Gantner Instruments Test Measurement GmbH...

Страница 99: ...Notice Information in this manual are valid from 19th April 2004 until revocation Further changes and completion of the manual are reserved and possible without notice...

Страница 100: ...GANTNER Instruments Test Measurement GmbH Montafonerstra e 8 A 6780 Schruns Austria Tel 43 0 5556 73784 410 Fax 43 0 5556 73784 419 E Mail office gantner instruments com www gantner instruments com...

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