i-MARKInstallation and Hardware Manual
Page 22 of 22
7
Technical Specifications
7.1
Operating Data
Range
i-MARK 2: Adjustable by the loop current up to app 3 m
i-MARK 3: Depending on loop design and adjustable by the loop current
Operating Frequency
125 kHz
Number of loops
1
RF error protection
16 bit CRC
Certification
CE, EN 300220 (EU), FCC Part 15 (US)
Firmware updates
Via host computer interface
Configuration memory
Non-volatile EEPROM memory
Status display
4 LEDs
Maximum number of
readers per daisy chain
16
Maximum cable runs
between two i-MARKS
300 m
Maximum overall cable
runs of daisy chain
1000 m (only with GND free power supplies at every i-MARK)
7.2
Electrical Data
Host interface
RS422, Daisy Chain
Baud rate
115 kBaud, fixed
Supply voltage
i-MARK 2: 10 to 30 V DC or 230 VAC (internal PSU, Europe only)
i-MARK 3: 10 to 20 V DC
Power consumption
Max. 20 W per i-MARK
7.3
Mechanical Data
Overall dimensions
i-MARK 2: 285 × 202 × 56.25 mm
i-MARK 3: 170 × 94 × 67 mm
Case material
Plastics
7.4
Environmental Conditions
Operating temperature
–20
°C to +60
°C
Humidity
Up to 90% non-condensing
Protection class
IP40, IP65 with additional protection for connector, Ref. IEC 529
