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Dry Contact Closure Over IP

8 channel dry contact to ethernet converter

Overview
The converged 8-channel dry contact equipment can transmit up to 8 channel dry contact in the two-layer Ethernet network and the middle can be connected with the layer-2 network switch;
The product solves the problems of electromagnetic interference ground environment interference and lightning damage and improves the reliability security and confidentiality of data communication. It can be widely used in various industrial control process control and traffic control especially suitable for banks electric power and departments and systems with special requirements for electromagnetic interference environment.
Features
◆ Integrated circuit based on independent intellectual property rights;
◆ The equipment shall provide at most 8ch dry contact signal 2 100M Ethernet electrical ports and 1 100M Ethernet SFP optical port;
◆ Input switch value automatic detection when the input state the switch output is the state which is convenient for project opening;
◆ When the switch value is in the start-up state or when the optical fiber is not connected other switch states are stable and there is no disorderly action state;
◆ It can support 8-way dry contact switching value or wet pulse contact impulse (Optical MOS Relay) with high reliability and high operation speed;
◆ Each motherboard can be connected with the node equipment with total switch quantity no more than 8 channels and the equipment at the convergence end through the switch;
◆ Automatic reset function of anti crash monitoring with heartbeat packet sending and detection inside;
◆ Switch value interface lightning protection meets iec61000-4-5 (8 / 20 μ s) differential mode: 6kV impedance (2 Ω); common mode: 6kV impedance (2 Ω);
◆ AC 220 V DC - 48V DC + 24 V can be selected. There is no positive and negative pole in DC power supply.
Parameters
Fiber type
Working wavelength: 1310nm 1550nm
Speed: 100M full duplex or half repeater mode
Protocol: support IEEE 802.3 IEEE 802.1Q (VLAN)
MAC address table: can learn 4096 MAC addresses
Physical interface: FC / SC
The distance of optical fiber transmission is limited by the loss of optical path and the additional loss caused by connecting terminals connectors and patch boards. The transmission distance may also be limited by the fiber bandwidth
10/100/1000M Ethernet                        
Protocol: IEEE 802.3az IEEE 802.1Q (VLAN)
Rate: 10 / 100M adaptive full / half duplex fully adaptive
MAC address table: can learn 4096 MAC addresses
Physical interface: RJ45 supports auto mdix
Pulse quantity interface
Output interface type:
Dry contact: Optical MOS Relay Output
(maximum internal resistance 25 Ω)
Wet contact impulse: output of Optical MOS
Relay 0-vcc (VCC is the power supply voltage of the machine)
Response time signal relay dry contact output: <1.2ms Optical MOS Relay Output < 0.6ms
The dry contact output of switch signal relay is 30VDC / 0.5A; the output of Optical MOS Relay is 245vdc / 0.12A
Maximum switching frequency: 50 Hz
Output surge protection: TVs + solid discharge
tube protection
Physical interface: terminal block
Power                   
System power supply: ac180v ~ 260V; DC – 48V; DC + 24V
Power consumption: ≤ 10W
Environmental indicators                 
Working temperature: - 40 ℃ ~ 85 ℃
Working humidity: 5% - 95% (no condensation)
Storage temperature: - 40 ℃ ~ 85 ℃
Storage humidity
Application
8 channel dry contact to ethernet converter
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Email: service@fctel.com.cn

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