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HDSP RS485P

Article number: 56 055
  • Two-stage surge protection of connected RS485 bus device in Half-Duplex configuration with power line.
  • They are installed prior to the protected equipment and at the interface of LPZs 1 – 2 and higher.
  • They increase the EMC level of the connected equipment against switching and atmospheric transients tested according to IEC 61000-4-2 (ESD level 4), IEC 61000-4-4 (EFT level 4) and IEC 61000-4-5 (shock pulse level X = 6 kV).
  • The connection of the module allows to use the operating range of bus drivers according to the TIA/EIA-485-A standard in the range of -7 V to +12 V (common-mode voltage range).
  • Connecting the module allows you to use the full 10 Mbps bus speed according to the TIA/EIA-485-A.
  • High-speed current protection of data line X1-2, X3-4 200 mA.
  • Maximum current load of the power line 5 A.
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How to use
Testing category according to IEC 61643-21:2000 and EN 61643-21:2001 C2, C3, B3
Number of pairs 1
Connector type Screw terminals
Maximum continuous operating voltage DC of data line X1-7, X3-7 UC - 7 ÷ 12 V
Maximum continuous operating voltage DC of power line X5-7 UC 30 V
Maximum continuous operating voltage DC X7-9 UC 70 V
Rated load current of power line X5-6 IL 5 A
Rated load current of data line X1-2, X3-4 IL 0.2 A
Data link current protection at 25 °C Itrip 0.2 A
Max. response time for data link protection tblock 1 µs
C2 Nominal discharge current (8/20) In 5 kA
C2 Voltage protection level X2-8, X4-8 at +In Up < 20 V
C2 Voltage protection level X2-8, X4-8 at -In Up > - 12 V
C2 Voltage protection level X2-4 at In Up < 26 V
C2 Voltage protection level X6-8 at +In Up < 43 V
C2 Voltage protection level X6-8 at -In Up > - 10 V
C3 Voltage protection level X2-8, X4-8 at +1 kV/μs Up < 17 V
C3 Voltage protection level X2-8, X4-8 at -1 kV/μs Up > - 10 V
C3 Voltage protection level X2-4 at 1 kV/μs Up < 25 V
C3 Voltage protection level X6-8 at +1 kV/μs Up < 40 V
C3 Voltage protection level X6-8 at -1 kV/μs Up > - 1 V
B3 Voltage protection level X8-10 at 100 V/μs Up < 550 V
C3 Voltage protection level X8-10 at 1 kV/μs Up < 700 V
Serial inductance of X5-6 power line L 2.2 μH
Serial resistance of data line X1-2, X3-4 R 8.6 Ω
Capacitance X2-4 at 0 V C 40 pF
Limiting transmission frequency of data link S21 for Z0=120 Ω fC 50 MHz
Lightning protection zone LPZ 1-2, LPZ 2-3, LPZ3
Housing material Polyamid PA6, UL94 V-0
Degree of protection IP20
Operating temperature ϑ - 40 ÷ 70 °C
Clamp fastening range (solid conductor) 0.2 ÷ 4 mm2
Tightening moment 0,5
Installation On DIN rail 35 mm
Operating position Any
Remote signalling No
Modular design No
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