©
National Instruments Corp.
25
NI 9505E Operating Instructions and Specifications
Note
Contact NI for Bellcore MTBF specifications
at other temperatures or for MIL-HDBK-217F
specifications.
Drive Protection
Undervoltage..................................... <6 V
Caution
V
SUP
greater than 40 V will result in damage to
the module.
Overvoltage....................................... >32 V
Reverse polarity ................................ –30 V
Motor terminal (MOTOR±)
short to ground.................................. Yes
Motor terminal (MOTOR±)
short to V
SUP
..................................... Yes
Temperature fault trip point .............. 115 ºC (module temperature)
Encoder Input Characteristics
Number of inputs .............................. 3
Input type .......................................... Differential or single-ended
Voltage range .................................... 0 to 5.5 VDC