Basler BE1-CDS220, Instruction Manual

Page: 33 / 476

BE1-CDS220 General Information 1-21
Input Burden: Burden per contact for sensing depends on the power
supply model and the input voltage. Table 1-1 provides
appropriate burden specifications.
Table 1-1. Control Input Burden
Burden
Power Supply
Jumper Installed Jumper Removed
Option L (24 Vdc) 15k
Ω
N/A
Option Y (48/125 Vac/Vdc)
35k
Ω
90k
Ω
Option Z (125/250 Vac/Vdc)
90k
Ω
185k
Ω
Communication Ports
Interface:
Front RS-232 (COM 0): 300 to 19,200 baud, 8N1 full duplex
Rear RS-232 (COM 1): 300 to 19,200 baud, 8N1 full duplex
Rear RS-485 (COM 2): 300 to 19,200 baud, 8N1 half duplex
Display
Type: Graphic LCD (liquid crystal display) with LED (light
emitting diode) back-light
Operating Temperature: -40
°
C to 70
°
C (-40
°
F to 158
°
F) The display contrast may
be impaired at temperatures below -20
°
C (-4
°
F).
Isolation
2,000 Vac at 50/60 Hz in accordance with IEEE C37.90
and IEC 255-5. (Excludes communication ports.)
Surge Withstand Capability
Oscillatory: Qualified to IEEE C37.90.1-1989, Standard Surge
Withstand Capability (SWC) Tests for Protective Relays
and Relay Systems
Fast Transient: Qualified to IEEE C37.90.1-1989, Standard Surge
Withstand Capability (SWC) Tests for Protective Relays
and Relay Systems
Radio Frequency Interference (RFI)
Type tested using a five-watt, hand-held transceiver in
the ranges of 144 and 440 MHz with the antenna placed
six inches from the relay. Qualified to C37.90.2-1995,
Standard For Withstand Capability Of Relay Systems To
Radiated Electromagnetic Interference From
Transceivers.
Electrostatic Discharge (ESD)
8 kV contact discharges and 15 kV air discharges
applied in accordance with IEC 60255-22
UL Recognition
U.L. recognized per Standard 508, U.L. File Number
E97033. Note: Output contacts are not U.L. recognized
for voltages greater than 250 V.