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BNC-2121 Connector Accessory for 660X Devices
14
ni.com
Specifications
This section lists the specifications of the BNC-2121. These specifications
are typical at 25
°
C unless otherwise noted.
PFI <0..39>
Spring terminals......................................40 positions, wire no larger than
24 AWG
BNC connectors......................................8 for PFI <32..39>
User-Defined
Field connections ....................................6 BNC connectors
Spring terminals......................................6 positions, wire no larger than
24 AWG
Quadrature Encoder
Spring terminals......................................2
Channel A/Channel B
output channels .......................................Channel A leads Channel B when
the encoder knob is turned 90°
clockwise
Pulse width .............................................1
µ
s
Resolution ...............................................24 pulses per revolution
Digital Trigger
Number of signals...................................1 (TRG signal for triggering)
Spring terminals......................................1 position
Lowpass filter .........................................f
0
= 15 Hz
Function Generator
Square wave............................................TTL compatible
Frequency range ..............................10 Hz–1 MHz;
±
10% deviation
over entire frequency range
Rise time..........................................250 ns