Author：
madshen Add Time：2014-04-01 12:26:11
function
MDSB309E series Operation end switch isolated Safety gate (45mA) The receiving switch signal from the system, after the isolation driving dangerous site equipment, such as solenoid valves. Optional One enter One A, Two enter Two A. Isolated gateFrom the terminal energy into the limit of intrinsically safe dangerous places, so as to ensure the safety and explosion-proof system.
Type specification
Product model | 1 input code | 2 input code | The output of the 1 code | The output of the 2 code |
MDSB309E- | 1: passive switch | 1: passive switch | 5: active output 45mA | 5: active output 45mA |
2: active switch | 2: active switch |
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G: other signals | G: other signals |
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| 0: input 2 |
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Explosion-proof technology index
Explosion proof mark: [Exia Ga] II C
Authentication parameters: (terminal 4/6 , 1/3 Between)
Um=250V Uo=25V Io=147mA
Po =920mW Co=50nF Lo=1.5mH
Product features:
The input and output power, the three party is completely isolated, strong anti-interference ability
High precision, high linearity, high stability
Modular design, small volume, low power consumption, suitable for intensive installation
Reasonable structure, easy plugging, installation, disassembly and maintenance is more convenient and simple
Technical indicators
The input signal (safety):
Passive switch input (contact):
Short circuit current: 8mA
The open circuit voltage: 8V
Active switch (input voltage):
The input voltage is less than or equal to 1V "Guan said"
The input voltage is greater than or equal to 4V Said ""
The output signal (danger zone):
Active output: the highest open circuit voltage 23VDC
The maximum short-circuit current 35mA
The equivalent circuit diagram as follows
Dielectric strength: input / The output is more than 2000VAC ( 1min )
output / The power is greater than or equal to 2000VAC ( 1min )
input / The power is greater than or equal to 1000VAC ( 1min )
Intrinsically safe / Non intrinsically safe, more than 2000VAC ( 1min )
Insulation resistance: input / output / The power is greater than or equal to 100M (omega 500VDC The working power supply):24VDC . 10%
Work Consumption: less than or equal to 2W ( Two enter Two (a) passive output)
Less than or equal to 3W ( Two enter Two (a) active output)
Remarks： One enter One A model, One , Three , Eleven , Twelve Don't pick feet up
Common specifications selection examples:
Model:MDSB309E-1050
Passive Input: switch signal
Output1:Active output 45mA signal
Aux.power:24VDC
Description: This product is a DC power supply type operation endIsolation switchSafety gate, Passive switch signalInput, After isolating the active output 45mA signalThe auxiliary power supply for 24VDC.;
For details please download: The MDSB309E series operating end switch Isolated gate (45mA)
Tags：
MDSB309E operation end switch isolation type safety grid (45mA)
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