Alcorn Mcbride V+ series, Руководство пользователя

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SMPTE Machine Hardware Reference 14-9
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Input Wiring
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Connecting a Voltage Input
1. Open the SMPTE Machine and verify that the correct Resistor Pack is
installed in RP5 (see table 11).
2. Connect the appropriate wire from the Voltage Input signal pin (pin 1 for
“Start”, pin 3 for “Reset”, etc.) to the positive terminal of the 24 VDC
external power supply.
3. Connect the negative terminal of the external power supply to one of the
terminals of the contact closure.
4. Connect the appropriate Voltage Input Return pin on the Parallel I/O
connector to the other terminal of the contact closure (pin 20 for “Start”, Pin
22 for “Reset”, etc.)
Voltage Level Used Resistor Pack Value
5V 180 Ohm
12V 470 Ohm
24V 1.5K Ohm*
Table 12 – Recommended Resistor Pack values for Voltage Inputs.
* Factory Default Setting
Figure 3 – Sample connection for a Voltage Input to the “Start” input of the Parallel I/O
connector. The terminal blocks are used for power bussing and modularization of the
input signals.