Lenze 2102 User manual

Operating Instructions
EDB2102EN
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Fieldbus module type 2102
RS232, RS485, optical fibre
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LECOM A/B
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2102 IB. 2x. 3x. V001 (RS232, RS485)
2102 IB. 2x. 3x. V002 (RS485)
2102 IB. 2x. 3x. V003 (Optical fibre)
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820X E. 2x. 1x. (8201 - 8204)
820X E./C. 2x. 1x. Vxxx (8201 - 8204)
821X E. 2x. 2x. (8211 - 8218)
821X E./C. 2x. 2x. Vxxx (8211 - 8218)
822X E. 1x. 1x. (8221 - 8225)
822X E. 1x. 1x. Vxxx (8221 - 8227)
824X E. 1x. 1x. (8241 - 8246)
824X E./C. 1x. 1x. Vxxx (8241 - 8246)
82EV VA 0x 8200 vector
82EV 1x 0x 8200 vector
93XX E. 2x. 1x. (9321 - 9333)
93XX E./C. 2x. 1x. Vxxx (9321 - 9333)
Type
Design:
E = Built-in unit IP20
IB = Module
Hardware level and index
Software level and index
Version
Explanation
Important:
These Operating Instructions are only valid together with the corresponding Instructions for
82XX, 8200 vector or 93XX controllers.
Edition of: 01.10.2003
E2002 Lenze Drive Systems GmbH
Without written approval of Lenze Drive Systems GmbH this documentation or part of it may not be copied or passed on to third parties.
All information given in this documentation have been checked for compliance with the hardware and software described. Nevertheless, deviations and
mistakes cannot be ruled out. We do not take any responsibility or liability for damages which might possibly occur. Necessary corrections will be included
in the next edition.
Version 2.0 10/03
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Contents
i
LBA2102EN
1 Preface and general information 1-1...........................................
1.1 About these Operating Instructions 1-1....................................................
1.1.1 Terminology used 1-1.........................................................
1.1.2 What is new? 1-1............................................................
1.2 Packing list 1-1.....................................................................
1.2.1 Legal regulations 1-2..........................................................
2 Safety information 2-1......................................................
2.1 Persons responsible for safety 2-1.......................................................
2.2 General safety information 2-1..........................................................
2.3 Layout of the safety information 2-2......................................................
3 Technical data 3-1.........................................................
3.1 Features of the 2102 fieldbus module 3-1..................................................
3.2 General data and application conditions 3-1................................................
3.3 Rated data 3-2......................................................................
3.4 Dimensions 3-2.....................................................................
3.5 Communication times 3-3.............................................................
4 Installation 4-1............................................................
4.1 Connections of the 2102 fieldbus module 4-1...............................................
4.1.1 Overview 4-1................................................................
4.1.2 Female plug for 9-pole SubD plug (LECOM-A/B) 4-2...................................
4.1.3 Plug-in terminal for 4-pole male plug (LECOM-B) 4-2..................................
4.1.4 Plug-in terminal for 2-pole male plug (external voltage supply) 4-2........................
4.2 Mechanical installation 4-3.............................................................
4.3 Electrical installation 4-3..............................................................
4.4 Wiring to a host 4-4..................................................................
4.4.1 Wiring via RS232 (LECOM-A) 4-5.................................................
4.4.2 Wiring via RS485 (LECOM-B) 4-6.................................................
4.4.3 Wiring via optical fibres (LECOM-LI) 4-8............................................
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Contents
ii L
BA2102EN
5 Commissioning 5-1........................................................
6 Parameter setting 6-1......................................................
6.1 Parameter sets 6-1..................................................................
6.1.1 82XX parameter sets 6-1.......................................................
6.1.2 Parameter sets for 8200 vector 6-1...............................................
6.1.3 Parameter sets for 93XX 6-1....................................................
6.2 Meaning of individual parameters 6-2.....................................................
6.2.1 Operating mode 6-2...........................................................
6.2.2 LECOM unit address (C0009) 6-3.................................................
6.3 Special features when using the 82XX controller 6-4..........................................
6.3.1 Start with Ctrl. inhibit instead of QSP 6-4...........................................
6.3.2 Reduction of the response time of the interface 6-4...................................
6.3.3 Communication monitoring 6-4..................................................
6.4 Special features when using the 820X controllers 6-5.........................................
6.4.1 Relative setpoint selection C0141 (parameter channel) 6-5..............................
6.4.2 Special features when using the 820X V1.2 controller 6-5...............................
6.5 Special notes for 821X, 822X, 824X controllers 6-6...........................................
6.6 Special notes when using 8200 vector controllers 6-6.........................................
7 Troubleshooting and fault elimination 7-1.......................................
8 Appendix 8-1.............................................................
8.1 Accessories 8-1.....................................................................
8.1.1 Accessories for a host 8-1......................................................
8.1.2 Accessories for RS232 (LECOM-A) 8-1.............................................
8.1.3 Accessories for RS485 (LECOM-B) 8-2.............................................
8.1.4 Accessories for optical fibres (LECOM-LI) 8-2........................................
8.2 Code table 8-3......................................................................
8.3 LECOM-A/B protocol 8-16..............................................................
8.3.1 General 8-16.................................................................
8.3.2 RECEIVE 8-21................................................................
8.3.3 SEND 8-23..................................................................
8.3.4 BROADCAST / MULTICAST 8-24...................................................
8.3.5 Monitoring of the slave response 8-24..............................................
8.3.6 Transmission faults 8-24........................................................
8.4 Listofabbreviations 8-25...............................................................
8.5 Glossary 8-26.......................................................................
8.6 Index 8-27.........................................................................
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Preface and general information
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1 Preface and general information
1.1 About these Operating Instructions
•These Operating Instructions are intended for safety-relevant operations on and with the
2102 fieldbus module. They contain safety information which must be observed.
•All personnel working on and with the 2102 fieldbus module must have these Operating
Instructions available and observe the information and notes relevant for them.
•The Operating Instructions must always be complete and perfectly readable.
These Operating Instructions inform about the most important technical data and the installation of
the 2102 fieldbus module. They are only valid in combination with the Operating Instructions of the
corresponding controller.
1.1.1 Terminology used
Controller In the following, the term ”controller” is used for ”93XX servo inverters” or ”82XX frequency inverters”.
Drive system In the following the term ”drive system” is used for drive systems with fieldbus modules and other Lenze
drive components.
Fieldbus module In the following text the term ”fieldbus module” is used for ”fieldbus module type 2102 RS232, RS485,
optical fibre”.
Cxxx/y Subcode y of code Cxxx (e.g. C0410/3 = subcode 3 of code C0410)
L-Cxxx/y Lenze code
Xk/y Terminal strip Xk/terminal y (e.g. X3/28 = terminal 28 on terminal strip X3)
(^xx-yyy) Cross reference (chapter - page)
1.1.2 What is new?
Ident. no. edition of Important Contents
391 845 08/1996 1st edition
394 448 02/1997 replaces 391 845 •extended by 2102.V904, 2102.V905, 2102.V906
•Chapter 6.3
•Editorially reviewed
404 788 11/1998 replaces 394 448 Format change to DIN A4
417 816 10/2000 replaces 404 788 Adaptation to 8200 vector (all chapters)
474 677 10/2003 replaces 417 816 Change of company name
1.2 Packing list
Packing list Important
•1 2102 fieldbus module with housing (enclosure IP20)
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representative.
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Preface and general information
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1.2.1 Legal regulations
Labelling Nameplate CE identification Manufacturer
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Lenze 2102 fieldbus modules are
unambiguously identified by their nameplates.
In compliance with to the EC Low Voltage
Directive
Lenze Drive Systems GmbH
Postfach 10 13 52
D-31763 Hameln
Application as
directed
2102 fieldbus module
•Operate the fieldbus module only under the conditions prescribed in these Operating Instructions.
•The fieldbus module is an additional module and can be optionally attached to the Lenze controller series 820X, 821X, 822X, 8200 vector
and 93XX. The 2102 fieldbus module links these Lenze controllers to superimposed hosts (PLC or PC) using the Lenze LECOM A/B/LI
fieldbuses.
•The fieldbus module must be attached and electrically connected so that it complies with its function and does not cause any hazards when
attached and operated as instructed.
•Observe all notes given in chapter “Safety information“ (^2-1).
•Please observe all information given in these Operating Instructions. This means:
– Read these Operating Instructions carefully before you start to work with the system.
– These Operating Instructions must always be available during operation of the fieldbus module.
Any other use shall be deemed inappropriate!
Liability •The information, data, and notes in these instructions met the state of the art at the time of printing. Claims referring to drive systems
which have already been supplied cannot be derived from the information, illustrations, and descriptions given in these Operating
Instructions.
•The specifications, processes, and circuitry described in these Operating Instructions are for guidance only and must be adapted to your
own specific application. Lenze does not take responsibility for the suitability of the process and circuit proposals.
•The indications given in these Operating Instructions describe the features of the product without warranting them.
•Lenze does not accept any liability for damage and operating interference caused by:
– disregarding these Instructions
– unauthorized modifications to the controller
– operating faults
– improper working on and with the controller
Warranty •Warranty conditions: see Sales and Delivery Conditions of Lenze Drive Systems GmbH.
•Warranty claims must be made immediately after detecting defects or faults.
•The warranty is void in all cases where liability claims cannot be made.
Disposal Material recycle dispose
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Metal D-
Plastic D-
Printed-board assemblies -D
Operating Instructions D
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Safety information
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2 Safety information
2.1 Persons responsible for safety
Operator
•An operator is any natural or legal person who uses the drive system or on behalf of whom the drive system is used.
•The operator or his safety personnel is obliged
– to ensure the compliance with all relevant regulations, instructions and legislation.
– to ensure that only skilled personnel works on and with the2102IB fieldbus module.
– to ensure that the personnel has the Operating Instructions available for all corresponding work.
– to ensure that all unqualified personnel are prohibited from working on and with the drive system.
Qualified personnel
Qualified personnel are persons who - because of their education, experience, instructions, and knowledge about corresponding standards and regulations, rules for
the prevention of accidents, and operating conditions - are authorized by the person responsible for the safety of the plant to perform the required actions and who are
able to recognize potential hazards.
(Definition for qualified personnel to VDE 105 or IEC 364)
2.2 General safety information
•These safety notes do not claim to be complete. In case of questions and problems please contact your Lenze representative.
•At the time of delivery the fieldbus module meets the state of the art and ensures basically safe operation.
•The indications given in these Operating Instructions refer to the stated hardware and software versions of the fieldbus modules.
•The fieldbus module is hazardous if:
– unqualified personnel works on and with the fieldbus module.
– the fieldbus module is used inappropriately.
•The processing notes and circuit sections shown in these Operating Instructions are proposals which cannot be transferred to other applications without being
tested and checked.
•Ensure by appropriate measures that neither personal injury nor damage to property may occur in the event of failure of the fieldbus module.
•The drive system must only be operated when no faults occur.
•Retrofittings, modifications, or redesigns are basically prohibited.Lenze must be contacted in all cases.
•The fieldbus module is electrical equipment intended for use in industrial high-power plants. The fieldbus module must be tightly screwed to the corresponding
controller during operation. In addition, all measures described in the Operating Instructions of the controller used must be taken. Example: Fasten covers to ensure
protection against contact.
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Safety information
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2.3 Layout of the safety information
•All safety information have a uniform layout:
– The icon characterizes the type of danger.
– The signal word characterizes the severity of danger.
– The note text describes the danger and gives information on how to prevent dangerous
situations.
Signal word
Note
Icons used Signal words
Warning of
damage to
persons
Warning of
hazardous electrical
voltage
Danger! Warns of impending danger.
Consequences if disregarded:
Death or severe injuries.
Warning of a general
danger
Warning! Warns of potential, very hazardous situations.
Possible consequences if disregarded:
Death or severe injuries.
Caution! Warns of potential, hazardous situations.
Possible consequences if disregarded:
Light or minor injuries.
Warning of
damage to
material
Stop! Warns of potential damage to material.
Possible consequences if disregarded:
Damage of the controller/drive system or its environmentK
Other notes Tip! This note designates general, useful notes.
If you observe it, handling of the controller/drive system is made
easier.
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Technical data
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3 Technical data
3.1 Features of the 2102 fieldbus module
The 2102 fieldbus module has the following features:
•Different communication media:
–RS232 (LECOM-A)
–RS485 (LECOM-B)
–Optical fibre (LECOM-LI)
•LECOM protocol V2.0
•The baud rate can be set to 1200, 2400, 4800, 9600 or 19200 baud (bit/s).
•Parameter setting via controller code numbers
•3 Diagnostic LEDs
•Electrical isolation between control stage and power stage
•Electrical isolation of the I/O terminals of 821X, 8200 vector, 822X and 93XX
•Easy installation
3.2 General data and application conditions
Field Values
Communication media RS232 (LECOM-A): copper conductor
RS485 (LECOM-B): copper conductor
(LECOM-LI): optical fibre
Protocol LECOM-A/B V2.0
Character
Format
7 bit ASCII
1Stopbit
1Startbit
1 Parity bit (even)
Baud rate [bits/s] 1200, 2400, 4800, 9600, 19200
Ambient temperature During operation: 0 to +50 °C
Transport: –25 to +70 °C
Storage: –25 to +55 °C
Permissible moisture Class 3K3 to EN 50178 (without condensation, average relative humidity 85%)
24-V-DC-
Voltage supply
•820X / 8200 vector (observe chapter 4.3): only external supply
•821X / 822X / 8200 vector (observe chapter 4.3) / 93XX: internal or external supply
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Technical data
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3.3 Rated data
2102IB.V001 2102IB.V002 2102IB.V003
Communication media RS232 (LECOM-A)
RS485 (LECOM-B)
RS485 (LECOM-B) Optical fibre
(LECOM-LI)
Current consumption 80 mA 60 mA 70 mA
External supply
(terminals 39/59)
V=24VDC
VRMS =15TO30VDC;W=5%
VRMS =20TO25VDC;W=48%;V
SS <35 V
2102IB.V001 / 2102IB.V002 / 2102IB.V003:
Rated insulation voltage Type of insulation
•to PE 50 V AC no electrical isolation
•for external supply (terminals 39/59) -no electrical isolation
•for power stage
– 820X / 821X 270 V AC basic insulation
– 822X / 8200 vector 270 V AC double basic insulation
– 93XX 270 V AC double basic insulation
Insulation voltages
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•for control terminals
for bus systems – 820X / 8200 vector
(with internal supply)
-no electrical isolation
– 8200 vector
(with external supply)
100 V AC basic insulation
– 821X 50 V AC electrical isolation
– 822X 270 V AC basic insulation
– 93XX 270 V AC basic insulation
•for external bus systems 50 V AC electrical isolation
Degree of pollution VDE 0110 part 2 pollution degree 2
3.4 Dimensions
Fig. 3-1 Dimensions of the 2102 fieldbus module (all dimensions in mm)
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Technical data
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3.5 Communication times
The time required for communication can be displayed as a sequence of processing steps (with
corresponding times).
Step Explanation
t0 User program in host starts request to the controller (e.g. controller enable with C0040=1)
t1 Software driver (e.g. LECOM-S5) in host converts request data into LECOM-A/B protocol V2.0 and starts the transmission.
t2 Serial data transfer to the controller (telegram time)
t3 Data receipt of the controller: Processing of request and start of response
t4 Response data to host are being transmitted (telegram time)
t5 Software driver in host evaluates the response, i.e. the response is converted into the format of the user program.
t6 Application program in host gets the result
The time sections t2, t4 and t3 are described in detail in the following:
Telegram time (t2 + t4)
The telegram time comprises the serial communication from the host to the controller (t2)and the
corresponding response from the controller (t4). The time depends on the telegram type and the
baud rate set under C0125.
Baud rate [bits/s] (C0125)
1200 2400 4800 9600 19200
Single character transmission time [ms]
(1 character = 10 bit; see chapter 3.2)
8.4 4.2 2.1 10.52
Telegram type SEND (sends data to drive):
Baud rate [bits/s] (C0125)
1200 2400 4800 9600 19200
t2: Standard [ms] (parameter value = 9 characters) 150 75 37.5 18.8 9.4
Addition for extended addressing [ms] 41.6 20.8 10.4 5.2 2.6
Telegram type RECEIVE (reads data from drive):
Baud rate [bits/s]
1200 2400 4800 9600 19200
Standard [= t4]
(Parameter value = 9 characters) [ms]
166.7 83.3 41.7 20.8 10.4
Addition for extended addressing [ms] 83.3 41.7 20.8 10.4 5.2
If more or fewer than 9 characters are transmitted as telegram data, take the corresponding
character-transmission times into account.
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Technical data
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Processing time in the controller (t3)
The processing time in the controller depends on the controller type and the code numbers. This is
shown in the following table:
Code numbers Processing time (2102 + controller) [ms]
Series
820X 821X/8200 vector/822X 93XX
C0046, C0135 35 1) 20 20 3)
C0050, C0150 35 20 20
C0068 70 30 30
Write other code numbers 230 20 2) 20 4)
Read other code numbers 55 20 20
1) 35 ms is valid for C0001 = 3. If C0001 = 1 and you write under C0046, access is also possible. However, the processing time is prolonged
to 70 ms.
2) For immediately following write-access procedures, the response times may be up to 50ms.
3) The code number C0046 can only be read. Use a free code number (e. g. C0141) to select a setpoint. For this, refer to the 93XX Manual.
4) This is a typical value. For some codes, the processing times may be longer. For this, refer to the 93XX Manual.
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Installation
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4 Installation
4.1 Connections of the 2102 fieldbus module
4.1.1 Overview
UOuu
VPuu
UOMM îÉÅíçê
Fig. 4-1 82XX, 8200 vector and 93XX controllers (with fieldbus module 2102)
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Installation
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Pos. Name/Meaning Note
1Green bus LED (voltage supply)
ON: Fieldbus module has connected with the controller.
BLINKING: 2102 fieldbus module is supplied with voltage but is
not connected to the controller (controller is switched off, in
initialization or not available).
2Yellow RxD-LED For receiving signal:
BLINKING: Drive unit receives telegram
3Yellow TxD-LED For sending signal:
BLINKING: Drive unit transmits response
49-pole SubD female plug for the RS232/RS485 interface only with 2102IB.V901/2102.V904
5Fixing screw
64-pole clamp-plug connection for RS485 interface only with 2102IB.V901/2102.V904 and
2102IB.V902/2102.V905
7Operating status display for the controller
8Optical-fibre transmitter (white) only with 2102IB.V903/2102.V906
9Optical-fibre receiver (black) only with 2102IB.V903/2102.V906
10 Switch S1 for optical-fibre transmission rate:
OFF: normal transmission rate (0 to 40m)
ON: = high transmission rate (10 to 66m)
only with 2102IB.V903/2102.V906
11 Connection for external voltage supply (24 V DC ± 10 %)
12 PE connection (only for 82XX)
Fig. 4-2 -RS 485 cable (no drawing) only with 2102IB.V901/2102.V904 and
2102IB.V902/2102.V905
4.1.2 Female plug for 9-pole SubD plug (LECOM-A/B)
Pin Name Input/output Explanation
1--Not assigned
2RxD Input Data receiving wire RS232
3TxD Output Data transmitting wire RS232
4DTR Output Transmission control RS232
5GND -Reference potential
6DSR Input Not assigned RS232
7T/R(A) Input/output RS485
8T/R(B) Input/output RS485
9Vcc5 Output Supply +5 V / 10 mA
4.1.3 Plug-in terminal for 4-pole male plug (LECOM-B)
Pin Name Input/output Explanation
71 T/R(B) Input/output RS485
72 T/R(A) Input/output RS485
88 S-C -Capacitive screening to PE
89 S - Direct screening to PE
4.1.4 Plug-in terminal for 2-pole male plug (external voltage supply)
Pin Name Input/output Explanation
39/−GND24 -Reference potential for external supply
59/+Vcc24 Input External supply 15 to 30 V DC (see chapter 4.3)
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Installation
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4.2 Mechanical installation
•Remove the keypad from the front of the controller if it is attached.
•Attach the 2101 fieldbus module to the front of the controller. Use the fixing screw, which is
part of the delivery package, to secure the fieldbus module (see Fig. 4-1, pos. 3)(^1-1).
Stop!
Tighten the fixing screw to ensure adequate PE connection of the 2102 fieldbus module.
4.3 Electrical installation
•The communication of controllers 820X and 821X may be disturbed by electromagnetic
radiation. Use an additional PE cable to ensure safe communication (see Fig. 4-1 pos. 13).
This is not necessary with the controllers 822X and 93XX.
Caution!
The bus system continues operation even if the 2102 fieldbus system is disconnected from the
power supply because of an error.
If this is the case, the controller cannot be reached by the host.
Stop!
The polarity of the voltage supply must not be reversed, otherwise, the 2102 fieldbus module will
be destroyed !
•Voltage supply:
–external 24 V (15 to 30 V)via plug-in connectors 39 (-) / 59 (+)
or
–internal via the controller (connection by plugging it on).
With 820X it is not possible to have an internal voltage supply via the controller.
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Installation
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Note!
Internal voltage supply of the fieldbus module connected to a 8200 vector
Controllers with an extended AIFinterface (front of the 8200 vector)can be internally supplied. The
part of the drawing highlighted with grey shows the jumper position.
In Lenze setting, the fieldbus module is not internally supplied.
For internal voltage supply, put the jumper in the position indicated below.
Lenze setting
(only external voltage supply)
Internal voltage supply
4.4 Wiring to a host
This chapter informs you about networking the 2102 fieldbus module using the bus systems RS232
(LECOM-A), RS485 (LECOM-B)or optical fibres (LECOM-LI).
The accessories requires are listed in chapter 8.1.
Danger!
•An additional electrical isolation is required if
–a 820X, 821X or 8200 vector controller will be connected to a host
–a safe electrical isolation (double basic insulation)to VDE0160 is required.
•Please observe the following:
–RS232:
The electrical isolation of the RS232 interface (LECOM-A)can be achieved by two 2101IB
level converters or another RS232 electrical isolation.
–RS485:
With RS485 (LECOM-B), the 2101IB level converter should be installed to the host if it is
not equipped with an appropriately isolated interface.
–Optical fibres:
If two controllers are connected via optical fibres (LECOM-LI)they are always isolated.
•For wiring, the electrical isolation of the supply voltage must be taken into account.
Thecontrollers 822Xand 93XXare equipped with a double basic insulation to VDE0160,additional
electrical isolation is therefore not necessary.
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4.4.1 Wiring via RS232 (LECOM-A)
Thefollowing figureschematicallyshows theconnection to ahost (here: PC)via RS232(LECOM-A).
LEMOC
1
S1
PC system cable
Fig. 4-3 Wiring for RS232 (LECOM-A)
Wiring features for RS232 (LECOM-A):
Type 2102IB.V001
Communication media RS232
Network topology Point-to-point
Possible number of controllers 1
Maximum cable length 15 m
Maximum baud rate 19200 bit/s
Note!
We recommend the use of ready-made PC system cables for wiring (see chapter 8.1.2).
Wire the PC system cables as described:
1. Use metallic SubD connector shells and connect both ends of the screen to the connector
shells.
2. Connect the pins as follows:
Unit Connection element Pin-No. (name)
2102 fieldbus module 9-pole SubD plug 2(RxD) 3(TxD) 5 (GND)
H
o
s
t
(
P
C
P
L
C
e
t
c
)
9-pole SubD female plug 3(TxD) 2(RxD) 5 (GND)
Host (PC, PLC, etc.) 25-pole SubD female plug. 2(TxD) 3(RxD) 7 (GND)
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4.4.2 Wiring via RS485 (LECOM-B)
The following figure schematically shows the connection to a host (PC or PLC) via RS485
(LECOM-B).
2101IB
RS232
RS485
2a
2b
3
4
RS485
RS485RS485
1
S1
89887271
5939
S1
898872715939
S1
898872715939
1
Fig. 4-4 Wiring for RS485 (LECOM-B)
Interface cable RS485
Optional host connection

O
t
i
o
n
a
l
h
o
s
t
c
o
n
n
e
c
t
i
o
n
a) directly RS485
)
S
f
a
)
d
i
r
e
c
t
l
y
R
S
4
8
5
b) RS232 via interface converter 2101IB
PC system cable
2101IB interface converter
Note!
•We recommend the use of appropriate accessories (see chapter 8.1.3).
•Please do not use any other but a shielded and twisted cable for wiring the RS485 interface
cable.
Wiring features for RS485 (LECOM-B):
Type 2102IB.V002
Communication media RS485 (2 wires)
Network topology Line
Possible number of controllers 31
Maximum cable length 1200 m
Maximum baud rate 19200 bit/s
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PC/PLC
T/R/(A)
T/R/(B)
PE
71 72 88 89
2102
Controller
1
2102
Controller
2
71 72 88
Fig. 4-5 Connection to the host (PC/PLC)
Connection between two controllers (cable 1 in Fig. 4-4):
•Connect the cable shield with terminal 89 (direct PE) of one fieldbus module and terminal 88
(capacitive PE) of the other fieldbus module (Fig. 4-5).
This method prevents currents flowing through the cable screens.
•Connect the terminals 71 and 72 between the fieldbus modules via paired cables (e.B. green
and yellow).
Direct connection to the host (cable 2a in Fig. 4-4)
•Connect the host cable screen to PE and the controller cable screen to terminal 88.
This method prevents currents flowing through the cable screens.
Connection to the 201IB interface converter (cable 2b in Fig. 4-4):
PC/PLC
PE
71 72 88 89
2102
Controller
1
2102
Controller
2
71 72 88 89
RxD
TxD 71
72
88
2101IB interface converter
Fig. 4-6 Connection to the 2101IB interface converter
•Connect the cable shield with terminal 89 (direct PE) of the last controller and terminal 88
(capacitive PE) of the interface converter (Fig. 4-6).
This method prevents currents flowing through the cable screens.
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4.4.3 Wiring via optical fibres (LECOM-LI)
The following figure schematically shows the connection to a host (PC or PLC) via optical fibre
(LECOM-LI).
RS232
Optical fibre
1
2
S1
OFF
ON
S1
5939
S1
OFF
ON
S1
5939
S1
OFF
ON
S1
5939
Fig. 4-7 Wiring for optical fibres (LECOM-LI)
RS232/optical fibre-converter for hosts
Optical-fibre cable
Note!
We recommend the use of appropriate accessories (see chapter 8.1).
Wiring features for optical fibres (LECOM-LI):
Type 2102IB.V003
Communication media Optical fibre (plastic)
Network topology Ring
Possible number of controllers 52
Maximum cable length 0 to 40 m for standard transmission rate (S1 = OFF)
10 to 66 m for high transmission rate (S1 = ON)
Maximum baud rate 19200 bit/s
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