Omron CRT1 - 10-2008, Operation Manual

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Repeater Unit Section 10-2
10-2 Repeater Unit
10-2-1 Repeater Unit
CRT1-RPT01
Specifications
Item Specification
Model CRS1-RPT01
Communications ports Upstream port (port 1): Trunk line or sub-trunk line
Downstream port (port 2): Sub-trunk line (Can be wired with the
same communications specifications as the Master Unit.)
Different types of communications cable can be connected to the
upstream and downstream ports.
Maximum number of layers Up to two extra segment layers can be created from the Master Unit
Number of nodes per network
(per Master Unit) 64 nodes
Number of nodes per trunk line
or sub-trunk line 32 nodes
Communications power supply
connector One downstream communications port power supply connector
Note Communications power for the Repeater Unit is supplied from
the BS+ and BS
−
terminals on the upstream port communica-
tions connector (PORT1).
Communications power supply
connector allowable current
capacity 5 A max. (UL: 4 A)
Noise immunity Conforms to IEC 61000-4-4, 2 kV (power line).
Vibration resistance
10 to 150 Hz with double-amplitude of 0.7 mm or 50 m/s
2
Shock resistance
150 m/s
2
Dielectric strength 500 VAC (between isolated circuits)
Insulation resistance 20 M
Ω
min. (between isolated circuits)
Ambient operating temperature
−
10 to 55
°
C
Ambient operating humidity 25% to 85% (with no condensation)
Ambient operating atmosphere No corrosive gases
Storage temperature
−
25 to 65
°
C
Storage humidity 25% to 85% (with no condensation)
Installation DIN Track or M4 screws
Weight 73 g
Communications power supply
voltage 14 to 26.4 VDC
Communications power supply
current consumption 95 mA max.