Instructions

1 Introduction
2
akytec GmbH - Vahrenwalder Str. 269 A - 30179 Hannover - Germany Tel.: [phone] - www.akytec.de
1 Introduction
This manual describes the functions, configuration, operating instructions, programming and
troubleshooting of the multifunctional programmable relay PR100 (hereinafter referred to as PR100,
device, or relay).
1.1 Terms and abbreviations
– ALP – programming software akYtec ALP for programming PR series relays, based on Function
Block Diagram programming language (FBD)
– ADC – analog-digital converter
– DAC – digital-analog converter
– Modbus – application layer messaging protocol for client/server communication between devices
connected on different types of buses or networks, originally published by Modicon (now
Schneider Electric), currently supported by an independent organization Modbus-IDA (www.
modbus.org)
– Project – user application created in ALP software that also includes the device configuration
– RAM – random access memory, volatile part of the device memory
– Retain memory – non-volatile device memory for retain variables
– Retain variable – type of variable that keeps its value after device restart (power off/on cycle)
– ROM – read-only memory, non-volatile part of the device memory
– RTC – real time clock
1.2 Symbols and key words
WARNUNG
WARNING indicates a potentially dangerous situation that could result in death or
serious injuries.
VORSICHT
CAUTION indicates a potentially dangerous situation that could result in minor injuries.
ACHTUNG
NOTICE indicates a potentially dangerous situation that could result in damage to
property.
HINWEIS
NOTE indicates helpful tips and recommendations, as well as information for efficient and
trouble-free operation.
1.3 Intended use
Programmable relays of PR100 series have been designed and built solely for the intended use
described in this manual, and may only be used accordingly. The technical specifications contained
in this manual must be observed. Only by akYtec GmbH recommended extension modules may be
connected to the relay.
The relay may be operated only in properly installed condition.
Improper use
Any other use is considered improper. Especially to note:
– This device should not be used for medical devices which receive, control or otherwise affect
human life or physical health.
– The device should not be used in an explosive environment.
– The device should not be used in an atmosphere with chemically active substance.