MID-7654/7652Servo Power Motor Drive User Guide 32 ni.com
Continuous current limit.........................0.85–5 A (default 0.85 A)
DC-bus motor voltage ............................48VDC
PWMfrequency ......................................32kHz
Continuous power output rating
(allaxes combined) .................................400W at 2 5% duty cycle
Encoders
Inputs......................................................Quadrature, incremental
Differentialinput threshold ....................± 0.3 V (typical)
Singleended inputthreshold ..................TTL/CMOS
Voltage range..........................................0–5VDC
Maximum quadrature frequency.............20 MHz
Limit and Home Switch Inputs
Compatibility..........................................Signal pass-through
Inhibit Inputs
Voltage range..........................................0–12VDC
Inputlow voltage....................................0.8 V
Inputhigh voltage ...................................2 V
Inhibit Outputs
Voltage range..........................................0–5VDC
Outputlow voltage.................................0.5 V at 64 mA
Outputhigh voltage ................................2.4 V at 32 mA
TriggerInput
Noisefilter (RC time constant)...............100 ns
Compatibility..........................................Signal pass-through
Breakpoint Outputs
Compatibility..........................................Signal pass-through