GE DS200TCPSG1AME Monitor Module
MI-variables MI910 through MI919 on the MACRO station control the hardware setup of the hardware interface channel on the station associated with a MACRO node. The matching of hardware interface channels to MACRO nodes is determined by the setting of the SW1 rotary switch on the CPU/Interface Board of the MACRO station. These variables are accessed using the MS station auxiliary read and write commands. The number immediately after the MS specifies the node number, and therefore the channel number mapped to that node by the SW1 setting.
Encoder/Timer n Decode Control (MSn,MI910)
MI910 controls how the input signal for the encoder mapped to the specified node is decoded into counts. As such, this defines the sign and magnitude of a count.In any of the quadrature decode modes, PMAC is expecting two input waveforms on CHAn and CHBn, each with approximately 50% duty cycle, and approximately one-quarter of a cycle out of phase with each other. Times-one (x1) decode provides one count per cycle; x2 provides two counts per cycle; and x4 provides four counts per cycle. Select x4 decode to get maximum resolution. The clockwise (CW) and counter clockwise (CCW) options simply control which direction counts up. If it is the wrong direction sense, simply change to the other option
Brand display
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