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RS485 Isolator / Repeater
The Diagonal Systems RS485 Isolator / Repeater is specially designed to be used for isolating RS485 networks that contain any mixture of batteries and mains voltages. It can also be used as a RS485 signal amplifier, reaching longer cable distances.
Applications
Industrial machinery control.
Industrial control local area networks.
Energy meter networks.
Energy storage systems.
Lighting systems.
Specifications
General specifications
Digitally isolated.
Small form factor: 63.5 x 43.5 x 30 mm (2.5 x 1.71 x 1.18 in).
Extruded aluminium 6063 T6 (HE9) enclosure.
3 LEDs for indicating faults and activity:
Power Supply.
RS485 Port 1 Tx activity.
RS485 Port 2 Tx activity.
2 x RS485 Connector: 5 pin pluggable terminal block.
Power Connector: 2 pin pluggable terminal block.
RS485
Full-Duplex or Half-Duplex RS485 functionality.
Protection:
IEC 61000-4-2 (ESD): Air 15kV, Contact 8kV.
Compatible with IEC 61000-4-4 (EFT): 40A, 5/50ns.
Compatible with IEC 61000-4-5 (Surge): 24A, 8/20µs - Level 2 (Line-Ground) and Level 3 (Line-Line).
600 Watts Peak Pulse Power per Line (tp = 8/20µs).
Reduced slew-rate driver that minimizes EMI.
Error-free data transmission up to 500kbps.
Fail-Safe Circuitry (guarantees a logic-high receiver output when the receiver inputs are open or shorted).
Electrical characteristics
Operating voltage: 9 to 28 Vdc.
Low power consumption: 44mA @ 12V (0.53W).
Maximum operating voltage: 30 Vdc.
Operating temperature: 0 °C to 85 °C.
Isolation barrier: 1kV.
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