Akytec MK210-312 User manual

MK210-312_3-EN-38929-1.10
© All rights reserved
Subject to technical changes and misprints
akytec GmbH - Vahrenwalder Str. 269 A - 30179 Hannover - Germany Tel.: [phone] - www.akytec.de
MK210-312
Digital I/O module
User guide

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akytec GmbH - Vahrenwalder Str. 269 A - 30179 Hannover - Germany Tel.: [phone] - www.akytec.de
Contents
Warning notice system ............................................................................................................3
Safety.......................................................................................................................................4
Introduction .............................................................................................................................5
Abbreviations ..........................................................................................................................6
1 Overview.............................................................................................................................7
2 Specifications.....................................................................................................................8
2.1 Specifications .............................................................................................................8
2.2 Isolation of the Device Components..............................................................................9
2.3 Environmental conditions...........................................................................................10
3 Installation........................................................................................................................ 11
4 Connection .......................................................................................................................13
4.1 Connection recommendations....................................................................................13
4.2 Terminal block layout .................................................................................................13
4.3 Connectors...............................................................................................................14
4.4 Power supply ............................................................................................................15
4.5 Connection sensors to discrete inputs.........................................................................15
4.6 Connection of p-n-p and n-p-n transistors....................................................................16
4.7 Connection of p-n-p and n-p-n encoders .....................................................................16
4.8 Connection to the outputs ..........................................................................................16
4.9 Ethernet connection ..................................................................................................17
5 Construction and operation..............................................................................................18
5.1 Operation principle ....................................................................................................18
5.2 Indication and control ................................................................................................18
5.3 Real time clock..........................................................................................................19
5.4 Log file .....................................................................................................................19
5.5 Data exchange modes...............................................................................................21
5.5.1 Modbus TCP communication ..............................................................................21
5.5.2 Error codes for Modbus protocol..........................................................................28
5.6 Operation modes of the digital inputs ..........................................................................30
5.6.1 Logic level detection ...........................................................................................30
5.6.2 Сounting of high-frequency pulses.......................................................................31
5.6.3 Frequency measurement ....................................................................................31
5.6.4 Encoder signal processing ..................................................................................31
5.7 Digital outputs operation modes .................................................................................31
5.8 Safe output status .....................................................................................................31
5.9 Load interruption monitoring.......................................................................................32
6 Configuration....................................................................................................................33
6.1 Connection to akYtec Tool Pro ...................................................................................33
6.2 Configuring Network Settings.....................................................................................34
6.3 Module access password...........................................................................................35
6.4 Firmware update .......................................................................................................35
6.5 Real-time clock setting...............................................................................................36
6.6 Restore default settings .............................................................................................36
6.7 Сounter reset............................................................................................................36

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akytec GmbH - Vahrenwalder Str. 269 A - 30179 Hannover - Germany Tel.: [phone] - www.akytec.de
7 Maintenance .....................................................................................................................37
7.1 General Instructions ..................................................................................................37
7.2 Battery replacement ..................................................................................................37
8 Transportation and storage ..............................................................................................39
9 Scope of delivery ..............................................................................................................40
Appendix A Encrypting the log file ......................................................................................41

Warning notice system
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akytec GmbH - Vahrenwalder Str. 269 A - 30179 Hannover - Germany Tel.: [phone] - www.akytec.de
Warning notice system
Explanation of the symbols and keywords used:
DANGER
DANGER indicates an imminent dangerous situation that will result in death or serious
injuries if not prevented.
CAUTION
CAUTION indicates a potentially dangerous situation that could result in minor injuries.
NOTICE
NOTICE indicates a potentially dangerous situation that could result in damage to
property.
NOTE
NOTE indicates helpful tips and recommendations, as well as information for efficient and
trouble-free operation.

Safety
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akytec GmbH - Vahrenwalder Str. 269 A - 30179 Hannover - Germany Tel.: [phone] - www.akytec.de
Safety
Read this manual carefully before installing, operating or servicing the device.
The device has been designed and built solely for the intended use described in this guide, and can
only be used accordingly. The technical specifications contained in this guide must be observed.
Any other use is considered improper.
CAUTION
This device must not be used for medical devices which receive, control or otherwise affect
human life or physical health.
When installing and using this product, all applicable state, federal and local regulations must be
observed.
Based on safety considerations and compliance with the data provided in the documents, the repair
of the components of the products is carried out exclusively by the manufacturer.
There is a dangerous voltage on the terminal block. Any connections to the device and maintenance
operations must be carried out only when the power of the device is turned off.
The device's method of protection against electric shock meets the terms of class II, IEC 61131-2-
2012.
The device installation must be performed in particularized equipment cabinet, the inner access to
which is allowed only to approved specialists.
CAUTION
It is forbidden to use the device in corrosive environments with acids, alkalis, oils, etc. in the
atmosphere.
Obey all the necessary rules and instructions when using programmable logic controllers in areas
where technical safety requirements apply.
Failure to obey these warnings could result in personal injury or equipment damage.
Akytec company shall not be liable for technical or editorial errors or omissions contained in this
document.

Introduction
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akytec GmbH - Vahrenwalder Str. 269 A - 30179 Hannover - Germany Tel.: [phone] - www.akytec.de
Introduction
This document provides detailed information about the operation principle, design, configuration,
installation and maintenance of the digital input/output module MK210-312, hereinafter referred to as
the Device or Module.
Connection, adjustment and maintenance of the device must be carried out only by qualified
personnel after reading this operating manual.
Order code: MK210-312.

Abbreviations
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akytec GmbH - Vahrenwalder Str. 269 A - 30179 Hannover - Germany Tel.: [phone] - www.akytec.de
Abbreviations
–DAC – digital-to-analog converter.
–PC – personal computer.
–PLC – programmable logic controller.
–PWM – pulse width modulation.
–RTC – real time clock.
–USB – an industry standard that establishes specifications for cables, connectors
and protocols for connection, communication and power supply between personal computers and
their peripheral devices.
–UTC – coordinated universal time.

1 Overview
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akytec GmbH - Vahrenwalder Str. 269 A - 30179 Hannover - Germany Tel.: [phone] - www.akytec.de
1 Overview
The Module is designed to collect data and connect executive devices on automation facilities. The
Device is controlled by a PLC, panel controller, PC or other control device.
Module has:
– 12 digital inputs;
– 4 digital outputs (relays).
Digital outputs provide the function of the load interruption monitoring and relay operation
monitoring.
Modules are used in various fields of industry and agriculture.

2 Specifications
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akytec GmbH - Vahrenwalder Str. 269 A - 30179 Hannover - Germany Tel.: [phone] - www.akytec.de
2 Specifications
2.1 Specifications
Table 2.1 Specifications
Characteristic Value
Power supply
Power supply 24 (10 … 48) V DC
Power consumption 5 W
Protection against reverse polarity of supply voltage Yes
Interfaces
Data transfer interface Dual Port Ethernet 10/100 Mbps
Configuration interface USB 2.0 (MicroUSB), Ethernet 10/100
Mbit
Date transfer protocol Modbus TCP
Protocol version IPv4
Digital inputs
Inputs quantity 12
Signal types
– contact sensor (requires 24 V
external power supply);
– npn- and pnp-transistor
Operation modes
– logical level detection;
– counting the number of high-
frequency pulses (only the first 8
inputs);
– frequency measurement (only first 8
inputs);
– encoder signal processing (up to 3
encoders)
Minimum pulse duration perceived by the digital input
(DI9 – DI12 inputs only) 5 µs (up to 100 kHz)
Minimum duration of a single pulse (for inputs DI9 –
DI12) 1 ms (up to 400 Hz)
Current of logical 0 max. 1.2 mA
Current of logical 1 max. 5.5 mA
Voltage range of logical 0 0...6.1 V
Voltage range of logical 1 8.8...30 V
Digital outputs
Outputs quantity 4
Output type Electromagnetic relay
Contact type Normally open contact
Operation mode – logic state switch
– PWM signal generation

2 Specifications
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Characteristic Value
Maximum voltage on relay contacts 250 V AC, 30 V DC
Switching current
– 5 A (max. 250 V AC, 50 Hz and
cosφ>0.4);
– 3 A (max. 30 V DC)
Turn-on time 15 ms
Turn-off time 15 ms
Mechanical life time of the relay min. 5,000,000 switches
Electrical life time of relay at maximum load current min. 200,000 switches
Load interruption monitoring Yes
PWM output parameters
Maximum frequency 1 Hz (at 0.5% duty cycle)
Minimum pulse width 50 ms
Flash-memory (log-file)
Number of write and erase cycles up to 100,000
Maximum log file size 2 KB
Maximum number of log files 1,000
Minimum log writing interval 10 s
Real time clock
Inaccuracy
at +25 °C max. 3 s per day
over the entire temperature
range
max. 10 s per day
Battery type CR2032
Lifetime of one battery 6 years
General specifications
Dimensions 42 × 124 × 83 mm
IP code IP20
Error-free running time 60,000 h
Average service lifetime* 10 years
Weight 0.4 kg
* Excluding electromechanical switches and real-time clock battery
2.2 Isolation of the Device Components
The circuit of galvanic isolated components and the strength of galvanic isolation are shown in
Figure 2.1.