i-MARK 2 / i-MARK 3
USER MANUAL
VISIBILITY DELIVERED. PAGE 54 OF 55
10 TECHNICAL SPECIFICATIONS
10.1 Operating Data
i-MARK 2 i-MARK 3
Range Adjustable by the loop current up
to app 3.5 m
Depending on loop design and
adjustable by the loop current
Number of loops 1 (internal) 1 (external)
Range up to 3.5 m up to 5 m (depending on loop)
Pass-over velocity Max 100 km/h
Operating Frequency 125 kHz
Modulation On-Off Keying
Position data 16 bits (programmable)
Loop current 6 App max
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 bicolor LEDs (Run, Loop, Bus, Error)
Features Programming of Loop ID, Setting of loop current (range), Loop diagnosis
10.2 Electrical Data
i-MARK 2 i-MARK 3
Supply voltage 10 to 30 VDC or 100 to 240 VAC
(internal PSU, Europe only)
10 to 30 VDC
Cable feed 1 × M16 feed through, 2 × cable
spouts (i-BUS, opt.)
2 × M16 feed through
Host interface i-BUS (RS422, daisy chain of up to 16 units)
Baud rate 115.200 Baud, fixed
Power consumption Max. 20 W per i-MARK
Fuse 1 A slow blow per i-MARK
10.3 Mechanical Data
i-MARK 2 i-MARK 3
Overall dimensions 285 × 202 × 62 mm 170 × 94 × 67 mm
Mass app. 1.46 kg app. 950 g
Case material Plastics, Aluminium
10.4 Environmental Conditions
i-MARK 2 i-MARK 3
Protection class,
Ref. IEC 529
IP 54 IP40, IP66 with additional
protection for connector
Operating temperature
–30
°C to +55°C / –22 °F to +131 °F
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