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BNC-2120 Installation Guide
Drive capability
Figure 7.
Typical Maximum Voltages versus Load Impedances
Timing Input/Output
Screw terminals.................................................14 positions, 28–16 AWG wire
BNC connector .................................................1, for PFI 0/AI START TRIG
Protection (DC max V)
Powered off...............................................±1.7 V
Powered on ...............................................+6.7/–1.7 V
Quadrature Encoder
Screw terminals.................................................2
Output signals
PULSES ....................................................96 pulses/revolution
UP/DN ......................................................High for clockwise rotation,
low for counterclockwise rotation
Pulse width........................................................1
μ
s
Power Requirement
+5 VDC (±5%)..................................................200 mA, sourced from the multifunction DAQ
device
Power available at +5 V screw terminal ...........Multifunction DAQ device power,
less power consumed at +5 VDC (±5%)
Physical
Dimensions .......................................................26.7 cm
×
11.2 cm
×
5.97 cm
(10.5 in.
×
4.41 in.
×
2.35 in.)
Weight ...............................................................1,040 g (2 lb 4.7 oz)
0
1
2
3
4
5
6
Ohm
s
V
olt
s
S
ine/Tri
a
ngle W
a
ve (V
p-p
)
Squa
re W
a
ve (V
p-p
)
1 M
10 k
5 k
2 k
1 k
560
