DC Power Supply Characteristics
This section provides the characteristics of the DC power supply.
If the specified voltage range is not maintained, outputs may not switch as expected. Use appropriate safety interlocks and voltage monitoring circuits.
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FIRE HAZARD |
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oUse only the correct wire sizes for the current capacity of the I/O channels and power supplies. oFor relay output (2 A) wiring, use conductors of at least 0.5 mm2 (AWG 20) with a temperature rating of at least 90 °C (194 °F). oFor common conductors of relay output wiring (7 A), or relay output wiring greater than 2 A, use conductors of at least 1.0 mm2 (AWG 16) with a temperature rating of at least 90 °C (194 °F). |
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Failure to follow these instructions will result in death or serious injury. |
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UNINTENDED EQUIPMENT OPERATION |
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Do not exceed any of the rated values specified in the environmental and electrical characteristics tables. |
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Failure to follow these instructions can result in death, serious injury, or equipment damage. |
DC Power Supply Characteristics
The 24 Vdc power supply must meet the regulations for extra low voltages with safe separation:
oProtective Extra Low Voltage (PELV) according to IEC/EN 60950-1 or
oSafety Extra Low Voltage (SELV) according to IEC/EN 60204-1, EN 50178/IEC 62103, and IEC 60364-4-4.
These power supplies are isolated between the electrical input and output circuits of the power supply.
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POTENTIAL OF OVERHEATING AND FIRE |
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oDo not connect the equipment directly to line voltage. oUse only isolating PELV or SELV power supplies to supply power to the equipment. |
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Failure to follow these instructions can result in death, serious injury, or equipment damage. |
