TM3DQ8U / TM3DQ8UG Characteristics
This section provides a description of the electrical and output characteristics of the TM3DQ8U / TM3DQ8UG expansion modules.
See also Environmental Characteristics.
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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. |
The following diagrams show the external dimensions for the TM3DQ8U / TM3DQ8UG expansion modules:
NOTE: * 8.5 mm (0.33 in) when the clamp is pulled out.
The table below describes the outputs characteristics of the TM3DQ8U / TM3DQ8UG:
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Characteristic |
Value |
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Number of output channels |
8 |
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Number of channel groups |
1 common line for 8 channels |
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Output type |
Transistor |
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Logic type |
Sink |
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Rated output voltage |
24 Vdc |
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Output voltage range |
19.2...28.8 Vdc |
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Rated output current |
0.5 A max. per channel |
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Total output current per group |
4 A |
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Voltage drop |
0.4 V max. |
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Leakage current when switched off |
0.1 mA max. |
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Maximum power of filament lamp |
12 W |
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Inductive load |
L/R = 10 ms |
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De-rating |
- 10...55 °C (14...131 °F) |
No de-rating |
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Turn on time |
450 µs |
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Turn off time |
450 µs |
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Protection against short circuit |
No Fast external fuse required |
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Short circuit output peak current |
N/A |
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Automatic rearming after short circuit or overload |
N/A |
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Protection against reverse polarity |
No |
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Clamping voltage |
Typically 50 Vdc |
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Switching frequency |
Under resistive load |
100 Hz max. |
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Isolation |
Between output and internal logic |
500 Vac |
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Between channel group |
N/A |
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Connection type |
TM3DQ8U |
Removable screw terminal block |
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TM3DQ8UG |
Removable spring terminal block |
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Connector insertion/removal durability |
Over 100 times |
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Current draw on 5 Vdc internal bus |
17 mA (all outputs on) 5 mA (all outputs off) |
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Current draw on 24 Vdc internal bus |
8 mA (all outputs on) 0 mA (all outputs off) |
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NOTE: Refer to Protecting Outputs from Inductive Load Damage for additional information concerning output protection. |
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