Introduction
akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de
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1. Introduction
1.1 Terms and abbreviations
akYtecToolPro
– configuration software
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
NTP
– Network Time Protocol
MQTT
– Message Queuing Telemetry Transport, publish-subscribe network protocol to transport
messages between devices
SNMP
– Simple Network Management Protocol, an Internet Standard protocol for collecting and or-
ganizing information about managed devices on IP networks and for modifying that infor-
mation to change device behavior
PWM
– pulse-width modulation
RTC
– real-time clock
RTD
– resistance temperature detectors
TC
– thermocouple
UTC
– Coordinated Universal Time, world-wide primary time standard
1.2 Symbols and key words
WARNING
WARNING indicates a potentially dangerous situation
that could result in
death or serious inju-
ries
.
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 trou-
ble-free operation.
1.3 Intended use
The device has been designed and built solely for the intended use described here, and may only be used
accordingly. The technical specifications contained in this document must be observed.
The device may be operated only in properly installed condition.
Improper use
Any other use is considered improper. Especially to note:
