User's Manual

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

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