Akytec SMI200, User Manual, Page: 4 / 15

Specifications
akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de
3
2 Specifications
Table 2.1
Power supply
Supply voltage 24 (19…30) V DC
Power consumption, max. 2.5 W
Galvanic isolation none
Galvanic isolation against RS485 circuits 1000 V
Reverse polarity protection yes
Appliance class III
Network
Protocol Modbus RTU/ASCII
Network mode Master / Slave
Baud rate 9.6…115.2 kbit/s
Programming
Software akYtec ALP 1.9 or newer
Interface Micro-USB 2.0
Stack dynamic
RAM 32 kB
ROM 128 kB
Network variable memory * 1020 Byte
Program cycle, min. 1 ms
Real-time clock
Accuracy ±3 s/day (25°C)
Backup, min. 1.5 years
Backup battery CR1025
Mechanical
IP code IP54 front / IP20 rear
Dimensions (with terminal block) 100 x 60 x 60 mm
Weight approx. 150 g
EMC safety
EMC immunity conforms to IEC 61326-1 / A1
EMC emission conforms to EN 55011 / A1
* The limitation applies only to the slave mode, in which all network variables are automatically
declared as retain.
2.1 Environmental conditions
The module is designed for natural convection cooling. It should be taken into account when
choosing the installation site.
The following environment conditions must be observed:
−
clean, dry and controlled environment, low dust level
−
closed non-hazardous areas, free of corrosive or flammable gases
Table 2.2 Environmental conditions
Condition Permissible range
Ambient temperature -20…+55°C
Transportation and storage -20…+55°C
Relative humidity up to 80% (at +25°C, non-condensing)
Altitude up to 2000 m above sea level