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10 Overload Protection
Each channel is protected against short‐circuit and thermal overload. If the thermal overload on any
channel engages, the front panel indicator for that channel will illuminate. In addition, an overload on any
channel will cause the overload signal (pin 37) on the input connector to go high (+5V).
The amplifier can also be disabled by applying a logic high (3.3V to 5V) to the disable pin (pin 36).
11 Enclosure
The PD32 has a side air intake and rear exhaust. These vents should not be obstructed. If sufficient air‐flow
is not available, the amplifier will enter a thermal overload state as discussed above.
The PD32 amplifier can be rack‐mounted in a single or side‐by‐side arrangement. The DAC card adaptor
can also be rack mounted in a single or side‐by‐side arrangement with another adaptor or the amplifier
itself. A single amplifier or adaptor can be mounted with the PD32‐Rack1 kit. Two adaptors, amplifiers, or a
combination of both can be mounted side‐by‐side with the PD32‐Rack2 kit.
12 Signal Adaptors
The signal adaptors allow a direct connection to common multi‐channel DAC cards. Standard adaptors are
listed below; however, custom adaptors can also be created.
Manufacturer
National Instruments
National Instruments
The adaptors are contained in a compact desktop enclosure which can be mounted in a side‐by‐side
arrangement to another adaptor or an amplifier. A single amplifier or adaptor can be mounted with the
PD32‐Rack1 kit. Two adaptors, amplifiers, or a combination of both can be mounted side‐by‐side with the
PD32‐Rack2 kit.
13 Waranty
The PDC32 is guaranteed against manufacturer defects for a period of 12 months.
DAC Card
Signal Adaptor
PCI‐6723
PD‐6723
PXI‐6723
PD‐6723
Notes
Requires NI SH68‐C68‐S Cable
Requires NI SH68‐C68‐S Cable
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