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(Original Document)
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(Original Document)
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Module TBX DES 16C22
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Nominal voltage IS
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24 V DC
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Current at 24 V
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7 mA
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Sensor power supply IS
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19,2 V DC to 30 V DC
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Voltage for ON state
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≥ 11 V
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Current at 11 V
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≥ 6 mA
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Voltage for OFF state
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< 5 V
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Current for OFF state
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≤ 2 mA
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Input impedance
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3,4 kΩ
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Switch-on time
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fast filtering
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5 to 8.5 ms
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slow filtering
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30 to 45 ms
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Switch-off time
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fast filtering
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5 to 8.5 ms
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slow filtering
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30 to 45 ms
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Permitted line resistance (2 wire proximity sensor)
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100 Ω
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Permitted line resistance (volt-free contact)
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500 Ω
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Permitted leakage resistance (2 wire proximity sensor)
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(1)
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Permitted leakage resistance (volt-free contact)
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(1)
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IEC standard 1131
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Type 2
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Compatibility with Telemecanique 2 wire proximity sensors
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Yes
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Compatibility with CENELEC 3 wire proximity sensors
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Yes (2)
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Compatible with TBX transistor outputs
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Yes
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Type of input
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Current sink
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Type of logic
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Positive
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Power dissipated per channel at ON state
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0,17 W
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Protection of +C terminals against overload or short‐circuit
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Yes
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Protection against a reverse polarity on IS
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Yes: reverse diode in parallel (ext. fuse 2 A (quick blow))
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Key:
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IS
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Power supply to sensors.
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(1)
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(2)
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With a standard 3 wire proximity sensor, with a resistor in parallel, the open circuit fault corresponds to a break in the input/proximity sensor link, or in the +power supply (+Cs) of the 3 wire proximity sensor.
Note: the break in the - power supply to the proximity sensor (‐Cs) is not detected.
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