TRANSIT Ultimate | installation guide
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4.4.2 Read disable input
The reading of the TRANSIT Ultimate can be stopped with the read disable input (RDIS). This input is commonly used in
combination with a sensor (e.g. inductive loop) that detects the presence of a person or vehicle. Use a potential-free
contact (relay) to connect the internal 5V to the RDIS input. Leave open or unconnected when reading should be
enabled.
Connections
R-DIS Read disable input
5V Internal 5V source for read disable input.
Warning: using an external 5V supply could damage the reader.
Figure 19: Read disable input
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