Kübler Sendix S3674 User manual

Manual
R67057.0002 - 1
Sendix S3674 (Singleturn)
Sendix S3684 (Multiturn)
RS485 + SinCos
BiSS + SinCos
BiSS

Table of Contents Kübler Group
2 - EN HB RS485/BiSS/SinCos - S36x4 - R67057.0002 - 01
Table of Contents
1 Document ........................................................................................................................ 3
2 General Information........................................................................................................ 4
2.1 General Information ................................................................................................ 4
2.2 Target Group........................................................................................................... 4
2.3 Symbols used / Warnings and Safety instructions.................................................. 4
2.4 Transport / Storage ................................................................................................. 5
2.5 Use According to the Intended Purpose ................................................................. 5
2.6 Foreseeable Misuse................................................................................................ 5
3 Product Description ....................................................................................................... 6
3.1 Technical Data ........................................................................................................ 6
3.2 Interface Description RS485 + SinCos ................................................................... 7
3.3 BiSS Interface Description ...................................................................................... 8
4 Installation....................................................................................................................... 10
4.1 Electrical Installation ............................................................................................... 10
4.1.1 General Information for the Connection.................................................... 10
4.1.2 Terminal Assignment ................................................................................ 10
4.1.3 SinCos Interface........................................................................................ 11
4.1.4 RS485 Parameters Channel ..................................................................... 12
4.1.5 BiSS Interface ........................................................................................... 13
5 Commissioning and Operation ..................................................................................... 14
5.1 RS485 ..................................................................................................................... 14
5.1.1 Data Transmission .................................................................................... 14
5.1.2 Supported Commands .............................................................................. 21
5.1.3 Status messages....................................................................................... 42
5.1.4 Examples .................................................................................................. 50
5.2 BiSS ........................................................................................................................ 57
5.2.1 Data Transmission .................................................................................... 57
5.2.2 Register access......................................................................................... 67
5.2.3 Status messages....................................................................................... 71
6 Maintenance .................................................................................................................... 73
7 Annex............................................................................................................................... 74
7.1 Decimal / Hexadecimal conversion table ................................................................ 74
8 Contact ............................................................................................................................ 76
Glossary .......................................................................................................................... 77
Standards ........................................................................................................................ 78

Kübler Group 1 Document
HB RS485/BiSS/SinCos - S36x4 - R67057.0002 - 01 EN - 3
1 Document
This document is the English translation of the original German version.
Publisher Kübler Group, Fritz Kübler GmbH
Schubertstraße 47
78054 Villingen-Schwenningen
Germany
www.kuebler.com
Issue date 01/2020
Language version German is the original language
Copyright © 2020, Kübler Group, Fritz Kübler GmbH
Legal notices
All of the contents of this document are protected by the rights of use and copyrights of Fritz Kü-
bler GmbH. Any duplication, modification, further use and publications in other electronic or
printed media, as well as their publication in the Internet, even partially, is subject to the previ-
ous written authorization of Fritz Kübler GmbH.
The brand names and product brands mentioned in this document are trademarks or registered
trademarks of the respective titleholders.
Subject to errors and changes. The stated product features and technical data shall not consti-
tute any guarantee declaration.

2 General Information Kübler Group
4 - EN HB RS485/BiSS/SinCos - S36x4 - R67057.0002 - 01
2 General Information
2.1 General Information
Please read this document carefully before working with the product, mounting it
or starting it up.
2.2 Target Group
The encoder may only be planned, mounted, commissioned and serviced by persons having
the following qualifications and fulfilling the following conditions:
• Technical training.
• Briefing in the relevant safety guidelines.
• Constant access to this documentation.
• In case of electrical equipment for potentially explosive atmospheres, the specialized person-
nel needs knowledge about the ignition protection category concept.
• For facilities in potentially explosive atmospheres, the authorized person must comply with
the applicable country-specific regulations.
2.3 Symbols used / Warnings and Safety instructions
DANGER Classification:
This symbol, together with the signal word DANGER, warns against
immediately imminent threat to life and health of persons.
The non-compliance with this safety instruction will lead to death or
severe adverse health effects.
WARNING Classification:
This symbol, together with the signal word WARNING, warns against
a potential danger to life and health of persons.
The non-compliance with this safety instruction may lead to death or
severe adverse health effects.
CAUTION Classification:
This symbol, together with the signal word CAUTION, warns against
a potential danger for the health of persons.
The non-compliance with this safety instruction may lead to slight or
minor adverse health effects.

Kübler Group 2 General Information
HB RS485/BiSS/SinCos - S36x4 - R67057.0002 - 01 EN - 5
ATTENTION Classification:
The non-compliance with the ATTENTION note may lead to material
damage.
NOTICE Classification:
Additional information relating to the operation of the product, and
hints and recommendations for efficient and trouble-free operation.
2.4 Transport / Storage
Inspect the delivery immediately upon receipt for possible damages due to the transport. If you
do not mount the encoder immediately, store it preferably in its transport package. Otherwise,
make sure when storing the encoder that the shaft and the cable outlet are always free from any
load. The encoder must be stored at a dry and dust-free location and in compliance with the
technical data, see chapter Technical Data.
2.5 Use According to the Intended Purpose
The encoder can be used as a rotation angle, position or speed sensor.
The encoder supports functions based on speed and rotation direction information, e.g. in in-
dustrial processes or controls.
As a sensor, the safe encoder supports safety functions regarding speed and rotation direction.
The encoder is not able to achieve on its own a safe state in the safety function.
Rotational speed, rotation direction and standstill, as well as failures that may represent a
danger must be detected by a superordinate evaluation device.
It can be operated at all locations where inflammable mixtures can develop, e.g. in the ATEX
Zone 1, 21, 2, 22, or in areas that are not classified as explosive.
The encoder, as well as the encoder evaluation device, must meet the requirements stated in
chapter Technical Data.
2.6 Foreseeable Misuse
The encoder is not suitable for the following uses:
• Under water.
• In publicly accessible areas.
• Outside of the specifications stated in the data sheet..
• Areas where more serious EMC events may occur than those defined in EN61326-1.

3 Product Description Kübler Group
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3 Product Description
3.1 Technical Data
Mechanical characteristics for the Sendix S36 encoders
Maximum rotational speed ** 12000min-1
Maximum angular acceleration 5x105rad/s²
Ambient temperature ** -30°C...+120°C [-22°F…+248°F]
Protection level according to EN 60529 IP40
according to NEMA 250 Type1
Installation height < 2000m [6562ft]
Weight appr. 0,1kg [3.53oz]
Shock resistance according to EN 60068-2-27 1000m/s2, 6ms
Vibration resistance according to EN
60068-2-6
8.7…200Hz, 30m/s²
200...2000Hz, 500m/s²
** Limitations, see chapter Limitations.
Electrical characteristics for the Sendix S36 encoders
Supply voltage 5VDC, ±10%
7…30VDC
Current consumption
(no load)
5VDC max. 150mA
10…30VDC max. 90mA
Protection class according to EN
61140
III (PELV)
General technical data of the RS485 interface
Interface Absolute information: RS485 (EIA485 according to IEEE
802.3)
Hiperface® 1) compatible
Code Binary
Type of connection PCB connector radial
Singleturn resolution 12…23bits/per revolution
Number of revolutions 4096 (12 bits)
1) Hiperface® is a registered trademark of Sick Stegmann GmbH.

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HB RS485/BiSS/SinCos - S36x4 - R67057.0002 - 01 EN - 7
General technical data of the BiSS interface
Interface Absolute information: RS422 (EIA422 according to IEEE
802.3)
Code Binary
Clock rate 50kHz … 10MHz
Data up-to-dateness ≤1µs
Singleturn resolution 12…23bits/per revolution
Number of revolutions 4096 (12 bits)
General technical data of the SinCos interface
Max. frequency -3dB 400kHz
Short-circuit resistance Yes
Number of pulses 1024 / 2048 ppr
Offset 2.5V (± 100mV)
Offset difference between A and B max. 25mV
Amplitude 1Vpp (±10%)
Amplitude difference between A and B max. 40mV
Phase position A vs. B 90° (± 10%)
Terminating resistor 120Ω
EMC
Relevant Standards EN55011class B:2009/A1:2010
EN61326-1:2013
EN61326-3-1:2008
3.2 Interface Description RS485 + SinCos
RS485 interface
This interface has been developed specially for the requirements of the digital drive control
Features overview
One single interface at the speed controller for all applications and one single line between
speed controller and motor feedback.
• Serial, synchronous, continuous and bidirectional data communication
• Two unidirectional lines: Clock and Data
• Low cycle time (up to 10 MHz with RS422 and 100 MHz with LVDS)
• Compensation of transmission delays for high-speed data transmission
• Safety-capable: CRC, errors, warnings
• Bus capability for several slaves and devices in a chain

3 Product Description Kübler Group
8 - EN HB RS485/BiSS/SinCos - S36x4 - R67057.0002 - 01
• Hybrid interface from the analog process data channel, for differential and almost delay-free
transmission of sine and cosine signals
• Bidirectional parameters channel complying with the RS485 specification for the transmission
of the absolute position and other most varied parameters
• Electronic type label for motor feedback identification and saving drive-relevant information in
the motor feedback
• The absolute value of the mechanical shaft position can be assigned electronically for com-
mutation setting purposes
Motor feedback systems are a mix of incremental encoder and absolute encoder, combining the
advantaged of both encoder types.
The absolute value is only generated at first when switching the device on. It is provided to the
external counter in the controller via the bus-capable, RS485 specification-compliant parameter
interface. Starting from this absolute value, the controller continues counting incrementally using
the analog sine/cosine signals.
Signals processing in the motor controller
The specification defines a standard electrical interface with only 8 lines:
• 2x supply voltage 7 … 12 V
• 4x incremental, differentially transmitted sine/cosine signals
• 2x digital, bidirectional RS485 interface
Serial protocol
As a standard, the interface is configured for 9600 Bd. The bidirectional RS485 interface is in
principle bus-capable. This is why every communication from the master, hence from the con-
troller, starts with the slave address. To minimize transmission times, the information is transmit-
ted i binary format. Every protocol ends with an easily calculated XOR checksum. The protocol
end detection is based on a timeout control.
The motor feedback system has internal diagnosis functions and reports critical or faulty condi-
tions in the answer protocol.
The physical interface requires a 130 Ω terminal resistor, two biasing resistors and a standard
RS485 transceiver. The protocol l is executed with a standard UART, which is implemented on
almost all usual microcontrollers/DSPs.
SinCos Interface
The sine/cosine signals are transmitted fully differentially. Their amplitude varies by at he max-
imum 20%, whatever the conditions.
Also refer to
2Status Byte [}19]
3.3 BiSS Interface Description
BiSS interface
The bidirectional digital sensor-actuator interface BiSS ensures the communication between in-
telligent sensors such as position transmitters or measuring equipment, actuators and industrial
controls. It is bus-capable to serve sensors and actuators simultaneously.

Kübler Group 3 Product Description
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The BiSS protocol classifies every device in one of the following data areas:
• Sensor data
• Actuator data
• Register data
The access to and transmission performance of these data areas are configured differently in
order to cover a range of different sensor applications.
The bidirectional parameters communication required for device configuration is transferred
generally in the register data area. Quickly changing sensor data is assigned to the sensor data
area.
Shielding
Also the shielding concept is of major importance for the achievable global system performance.
A cable shield applied on a large area both on the motor and on the controller generally guaran-
tees here the best results. The shield should be connected to the protective earth. If large com-
pensating currents are expected, use a separate equipotential bonding conductor.
Also refer to
2Status Byte [}19]

4 Installation Kübler Group
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4 Installation
4.1 Electrical Installation
4.1.1 General Information for the Connection
ATTENTION Destruction of the device
Before connecting or disconnecting the signal cable, always discon-
nect the power supply and secure it against switching on again.
NOTICE Current limitation
Use a suitable external fuse for encoder protection, for a maximum
current of 500 mA.
NOTICE General safety instructions
Make sure that the whole plant remains switched off during the elec-
trical installation.
• Make sure that the operating voltage is switched on or off simultan-
eously for the encoder and the downstream device.
• Electrostatic discharges at the contacts of the connector or at the
cable ends could damage or destroy the device. Take appropriate
precautionary measures.
• Use a PELV supply voltage source according to EN60204-1 com-
plying with the proper operating voltage and the maximum permiss-
ible output current.
4.1.2 Terminal Assignment
Interface
digital
Interface in-
cremental
Type
of
con-
nec-
tion
PCB connector (male), 10-pole
1 (BiSS) 1 (SinCos) 1 Signal: 0V +V D+ D- C+ C- A A\ B B\
Pin: 1 2 3 4 5 6 7 8 9 10
Suitable pre-assembled
cordset, 10-wire
(8.0000.D111.0M50)
Wire
color:
BU RD GY GN YE VT PK BK WH BN

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Interface
digital
Interface in-
cremental
Type
of
con-
nec-
tion
PCB connector (male), 10-pole
2 (RS485) 1 (SinCos) 1 Signal: 0V +V D+ D- - - A A\ B B\
Pin: 1 2 3 4 5 6 7 8 9 10
Suitable pre-assembled
cordset, 8-wire
(8.0000.D112.0M50)
Wire
color:
BU RD GY GN - - PK BK WH BN
Interface
digital
Interface in-
cremental
Type
of
con-
nec-
tion
PCB connector (male), 10-pole
1 (BiSS) A (none) 1 Signal: 0V +V D+ D- C+ C- - - - -
Pin: 1 2 3 4 5 6 7 8 9 10
Suitable pre-assembled
cordset, 6-wire
(8.0000.D113.0M50)
Wire
color:
BU RD GY GN YE VT - - - -
+V: Encoder supply voltage +V DC
0 V: Encoder ground GND (0V)
D+, D-: Data signal
C+, C-: Clock signal
A, A\: Incremental output Channel A (Cosine)
B, B\: Incremental output Channel B (Sine)
RS485 specifies a standard voltage range for the slave supply of 7...12V DC (including the tol-
erances). The supply voltage is measured on the slave; the maximum voltage drop over the
cable length must be considered accordingly when dimensioning the master supply.
RS485 specifies a maximum current consumption by the slave of 250mA at 7VDC.
4.1.3 SinCos Interface
The process channel uses two sets of differential analog voltages.
Lines for transmitting sine/cosine signals. The signal links are called "SIN" and "COS", while the
voltage references are called "REFSIN" and "REFCOS".
Sine/cosine voltages are transmitted according to the following parameters:

4 Installation Kübler Group
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2,50
2,75
2,25
sin +
sin -
0
+0,5
-0,5
cos +
cos -
sin cos
The upper signal path shows the absolute signal amplitudes. The lower picture area shows the
differential amplitude.
Parameter Value Comment
SinCos peak voltage 2 … 3 V Measured against GND
SinCos peak-to-peak voltage 0.4 … 0.6 V Measured differentially
DC level 2.2 … 2.8 V Measured against GND
SinCos bandwidth 0 … 2048 kHz 3 dB signal amplitude
Output load capacity > ± 5 mA
4.1.4 RS485 Parameters Channel
The parameters channel is an asynchronous half-duplex interface that complies physically with
the RS485 specification. To ensure disturbance-free transmission, the transmission lines must
be provided with pull up/down resistors.
In order to also ensure independence from line transceiver manufacturers, we give the following
recommendations for the dimensioning of the interface:

Kübler Group 4 Installation
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DRDR
Common
D0
D1
Slave 1 Slave n
Pull Down
650 Ω
Pull Up
650 Ω
5 V
Line Termination
120 Ω
Line Termination
120 Ω
R
D
Master
The 120 … 130 ohm terminating resistor and the 650 … 1k ohm pull up/down resistors are in-
tegrated as a standard. For bus operation (more than 1 encoder), no terminating resistor is in-
tegrated in the encoder. This resistor must be mounted by the customer on the device furthest
from the master.
4.1.5 BiSS Interface
The BiSS-C interface provides a bidirectional isochronous connection between sensors, drives
and industrial encoder evaluation equipment. This purely digital connection and its protocol
have been developed for maximum performance, reliability and transmission safety.
The communication protocol integrates constant bidirectional access to the slave registers,
without affecting the useful measurement data or the control cycles. So the device parameters
and additional measurement data, as well as the electronic type label and the OEM data, are
accessible at any time.
The interface master provides the clock signal for simultaneously triggered functions to an un-
limited number of devices. So, for example, a typical RS422 connection can support a frame re-
petition rate of 10µs for data words with a length reaching 64 bits.
The data transmission is fully and separately secured via CRC for the bidirectional transmission
of commands and registers and for every single-break channel. An initial value is assigned,
which allows identifying the channel in the event of safety checks. The control data bits from
several successive BiSS frames are combined by the master in a control frame. This allows the
read and write access of the slaves, and the sending of commands to the slaves.
Further information is available under: www.kuebler.com/biss.

5 Commissioning and Operation Kübler Group
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5 Commissioning and Operation
5.1 RS485
5.1.1 Data Transmission
5.1.1.1 Frames Structure
The data format is an asynchronous half-duplex UART protocol with binary data.
0
Start LSB
Data Bits
1
Stop
ParityMSB
The data at the asynchronous interface has the following basic format:
• 1 Start bit
• 8 Data bits (LSB first)
• 1 Stop bit
• 1 Parity bit (optional): Even (programmable: odd, even, none)
• Baud rate: 9600 (programmable: 600, 1200, 2400, 4800, 19200, 38400 bauds)
Data transmission on the RS485 is controlled by a timeout protocol. This means that, if no fur-
ther information reaches the MFB within a defined time (timeout), the currently received protocol
is processed.
Interruptions of a data packet that last longer that the timeout lead to corresponding protocol er-
ror messages (Command byte 50h - Read encoder status [}34] ). The first byte after a timeout
is interpreted as an address.
Every character of the master transmission must be followed by a subsequent character within
the timeout condition. If the slave receives no further character within the timeout condition, the
message is considered as completed and is processed.
Consequently, the end of a master transmission must be followed by a pause of at least the
length of the timeout condition.
The end of a slave transmission is also indicated by a pause of at least the length of the timeout
condition. The timeout condition can be programmed either on 22 s/data rate or 55 s/data.
Rate (standard, i.e. 5,73 ms for 9600 bauds)

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5.1.1.2 Data Addresses
The protocol allows the use of a bus topology. Consequently, an addressing scheme is imple-
mented.
Every frame includes an address byte, a command, and optionally various data bytes, length
and a subsequent checksum, to detect transmission errors. This description applies both to
master ad slave transmissions.
An address consists of a byte. The available address space allows 32 different address values.
Bit Definition Default
0 … 4 Address value 40h
5 0
6 1
7 0
The protocol also implements a broadcast address (FFh) that can be used by a master. Ad-
dress all slaves connected to the bus to perform a selected command. Every slave is confirmed
with its specific address.
Command format
A command consists of at least one byte. The available command space allows 64 different
command values. Depending on the command, additional bytes are necessary.
Bit Definition
0 … 5 Command
6 Fix 1
7 Error bit
In the protocol, every frame ends with a check sum (both, from master and slave). The receiver
of a frame uses this check sum to perform a transmission error check and can then react ac-
cordingly.
The check sum including the address is defined by a XOR operation for all bytes of the frame.

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Frame Check sum
40h 42h 02h
40h 4Eh 70h 00h 7Eh
Error displays
The protocol uses two different ways to display detected errors. Errors are always transmitted
only from the slave to the master.
Warning bit
If a slave detects an operating error that is not related to a current command, a warning bit is
emitted with the query and a corresponding error code is saved for query. This can be queried
by the "Read encoder status" command.
Malfunctions are identified as error messages. A slave can save in parallel the error codes of up
to four malfunctions. The warning bit is active when the error bit (bit 7) is set.
In this condition, the initial command prompt of the master is answered properly.
The slave emits the warning bit with every subsequent command response until the master has
read the error code (with command 50h) or a slave reset (command 53h) has been performed.
If several malfunctions are saved, the master must read every corresponding error code separ-
ately to reset the error bit.
Error response
If a slave detects a condition that does not allow the processing to the master, an error re-
sponse is generated in the command prompt. Typical conditions for this behavior are protocol
errors, invalid command arguments or internal encoder errors. Error states are listed in the error
messages. In the event of an error, the slave interrupts the processing of the command and an-
swers with an error response. The error response contains the status command value 50h, fol-
lowed by a corresponding error code.
If a warning and an error condition are detected for the same command response, the slave
emits an error response with a set warning bit (set value D0h). The error code corresponding to
the warning must be read out.
5.1.1.2.1 Data Fields Specification
RS485 slave devices implement a function that allows the user to save any data in the non-
volatile memory of the slave. RS485 allows saving in the EEPROM of the slave with the follow-
ing specification:
• The data is saved in "data field" units having a size of 16 to 128 bytes.
• Prior to saving the data, a data field with a prescribed size must be created.
• Data fields are identified by a consecutive "data field number" starting with 0.
• Data fields can be linked to one of four access code values (Code0 to Code3). To read or
write a data field, the user must submit the access code.
• Data fields can be set as write-protected or write-enabled. Only "write-enabled" allows writing
in a data field.
• The status of a data field can be modified (linked code, read/write mode). For the last data
field (highest data field number), also the data field size can be increased.
• Data fields can be erased.

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The data sheet of a slave must indicate the number of bytes a user can save in data fields. The
number of bytes indicated this way includes 100% of the user content.
All values required for data field management are stored separately.
User memory size is normally 1792 bytes.
5.1.1.2.2 Extended Type Label Specification
Data fields are also used for the "Extended Type Label" function.
Newer slaves allow the master reading out explicitly encoder parameters.
The access to the encoder parameters of the extended type label is identical with the reading of
user data fields using the virtual data field number FFh.
Extended type label data is not saved for users in the non-volatile memory, but in a separate
memory.
Encoder type Types code Extended type label
Previously Not FFh No
Currently Not FFh Yes
Newly and in the future FFh Yes
The extended type label is not counted as an active data field in the "number of data fields" of
command "Memory status".
The extended type label is accessible without access code and can only be read. It cannot be
erased. It has a minimum length of 64 bytes. The actual size can be larger if bit 15 of the para-
meters selector is activated (see following table, Offset 1Ch).
The master can read one or all bytes within the extended type description, as indicated in a
"Read date" command.
The data of an extended type description is displayed according to the following table.

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Offset Lengt
h
Description Note
00h 1 XOR check sum complete Extended Type Label
01h 1 Encoder type
Bit 0: 0 = rotary, 1 = linear
Bit 1: 0 = unipolar count, 1 = bipolar count
Other bits: not implemented, "0"
02h 4 Encoder resolution (unsigned 32-bit value) number of peri-
ods / revolution for encoder period length in steps of 1 nm
for linear encoders
06h 4 Encoder range (unsigned 32-bit value)
Number of coded revolutions for rotary encoders
Number of periods for linear encoders
0Ah 18 Encoder designation (ASCII characters chain, left-justified
with trailing 00h characters)
1Ch 2 682/5000
Parameters selector (indication of the available values in the
extended type label)
Bit 0: Temperature channel selector disabled / enabled
Bit 1: Temperature minimum value disabled / enabled
Bit 2: Temperature maximum value disabled / enabled
Bit 3: LED current channel selector disabled / enabled
Bit 4: Minimum LED values disabled / enabled
Bit 5: Maximum LED value disabled / enabled
Bit 6: Vector length channel selector disabled / enabled
Bit 7: Vector length minimum value disabled / enabled
Bit 8: Vector length maximum value disabled / enabled
Bit 9: Maximum speed value disabled / enabled
Bit 10: Maximum acceleration value disabled / enabled
Bit 11… 14: not implemented, "0"
Bit 15: Subsequent selector disabled / enabled
If the subsequent
selector is en-
abled (bit 15 = 1),
the second para-
meters selector
follows at offset
40h and 2nd
parameter set-
tings at offset
42h etc.
1Eh 30 Parameter values as defined in the parameters selector.
Every parameter is a 16-bit value
Byte 0… 1: Temperature channel value (for command 44h)
Byte 2… 3: Temperature min. value (signed, in ° C)
Byte 4… 5: Maximum temperature value (signed,
in ° C)
Byte 6… 7: LED current channel value (for command 44h)
Byte 8… 9: LED current min. value (unsigned, in mA)
Byte 10… 11: LED current max. value (unsigned, in mA)

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Offset Lengt
h
Description Note
Byte 12… 13: Vector length CHANNEL value
(for command 44h)
Byte 14… 15: Vector length min. value
(unsigned, any units)
Byte 16… 17: Vector length max. value
(unsigned, any units)
Byte 18… 19: Maximum speed value
(unsigned, in RMP or m/min)
Byte 20… 21: Maximum acceleration value
(unsigned, in krad/s² or m/s²)
Bit 22… 29: not implemented, read "0"
3Ch 4 Not implemented, read "0"
5.1.1.2.3 Status Byte
The status byte consists of 8 bytes.
Up to 4 access codes are possible. These serve as a kind of write protection ensuring that only
authorized users have access to the implemented functions.
NOTICE Default Access Code
The default access code is 55 and applies to all commands.

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Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
Check
data field
R/W access Access
key
Enable/disable access
code
Data field size
0 = not
found
0 = read access Access Code 0 0 = code disabled Calculate
memory re-
quirement
(Size/
16)-1
1 = found 1 = read and
write access
0 0 1 = code enabled
Access Code 1 16 bytes
0 1 0 0 0
Access Code 2 32 bytes
1 0 0 0 1
Access Code 3 48 bytes
1 1 0 1 0
64 bytes
011
80 bytes
100
96 bytes
101
112 bytes
110
128 bytes
111
5.1.1.2.4 RS485 Settings
The settings of the serial interface are defined in 8 bits. The default settings are printed in bold.