Always connect I/O RTN (J2-3) to the signal ground of the source. Failure to do so may result in erratic operation. I/O RTN J2-3, 7, 15, 16 This terminal is signal common for the analog and non-optically isolated digital inputs and outputs. These pins are internally connected in the drive. For protection against line surges, one of the I/O RTN pins must be connected to Earth ground. Pacific Scientific recommends making this connection at an earth ground point in the cabinet reserved for single point grounding of all I/O Returns (drives and supplies)
Continued
DAC Monitor 1, 2 Outputs J2-4, 5 These analog outputs are general purpose monitor points. The output range is ± 5.5 V with a resolution of 11V/65536 = 0.168 mV. The source impedance is 1 kΩ, which yields a maximum short circuit to I/O RTN current of ± 5 mA. These outputs are updated every 250 µS. There is a 2.5 kHz, 4.8 kHz and a 9.6 kHz analog Low Pass Filter on these outputs. Each DAC MONITOR can be mapped by software to be one of a number of internal variables.
J2 Command I/O
Continued Analog Current Limit J2-6 This input limits the current flow to the motor when a voltage is applied with respect to I/O RTN. The scale factor and the frequency of a single low pass filter pole are software adjustable on each output by the DM1Gain, DM1F0 and DM2Gain, DM2F0 software parameters for DAC Monitor 1 and 2 respectively. Variables marked with a “∗” are not range clamped and are allowed to wrap around when the signal exceeds the output dac’s voltage range. The other variables will clamp at maximum when they exceed the analog voltage range. The table on the following page lists the defined signal mappings.
Brand display
ABB、GE/FUANC、FOXBORO、TRICONEX 、BENTLY、A-B、EMERSON 、MOTOROLA、XYVOM、HONEYWELL 、REXROTH、KUKA、NI、DEIF、Yokogawa、WOODWARD、Reliance Electric、SCHNEIDER 、MOOG、PROSOFT、KOLLMORGEN、ICS TRIPLEX、HIMA
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