Product Details
Product Description
Product Description
Focus on DCS, PLC, robot control system and large servo system.
Main products: various modules / cards, controllers, touch screens, servo drivers.
Advantages: supply of imported original products, professional production parts,
Fast delivery, accurate delivery time,
The main brands include ABB Bailey, Ge / fuanc, Foxboro, Invensys Triconex, Bently, A-B Rockwell, Emerson, ovation, Motorola, xyvom, Honeywell, Rexroth, KUKA, Ni, Deif, Yokogawa, Woodward, Ryan, Schneider, Yaskawa, Moog, prosoft and other brands
In parallel output mode, channel 0 is selected at the output multiplexer and is connected to AI 0. The seven other channels are directly connected to AI 1 through AI 7, respectively, on the rear connector. In multiplexed mode, the AI 0 signal pair is used for sending all eight channels of the SCXI-1141/1142/1143, and analog signals from other modules, to the connected E/M Series DAQ device. If the module is cabled directly to the DAQ device, the other analog channels of the DAQ device are unavailable for general-purpose analog input because they are connected to the SCXI-1141/1142/1143 amplifier outputs. This means that connecting an SCXI-1180 module to the 50-pin breakout connector of the SCXI-1349, or other cable adapter assembly, may cause interference and incorrect measurements when the DAQ device is cabled to the SCXI-1141/1142/1143. The communication signals between the DAQ device and the SCXI system are listed in Table 2-3. If the DAQ device is connected to the SCXI-1141/1142/1143, these digital lines are unavailable for general-purpose digital I/O. Table 2-3. SCXI-1141/1142/1143 Rear Communication Signals Pin SCXI Signal Name NI-DAQmx Device Signal Name Direction Description 5, 7, 9, 11, 13, 15, 17 AI N/A Output Analog outputs—these pins are the outputs of channels 1 through 7, regardless of the scanning mode. 6, 8, 10, 12, 14, 16, 18 A GND AI GND — Analog ground—these pins connect to the module analog ground. They are used as the reference points for AI 1 + through AI 7 +. 24, 33 DIG GND D GND — Digital ground—these pins supply the reference for E/M Series DAQ device digital signals and connect to the module digital ground. 25 SER DAT IN P0.0 Input Serial data in—this signal taps into the SCXIbus MOSI line to send serial input data to a module or Slot 0. Chapter 2 Connecting Signals SCXI-1141/1142/1143 User Manual 2-10 The signals on the rear signal connector are classified as analog output, digital I/O, or timing I/O signals. 26 SER DAT OUT P0.4 Output Serial data out—this signal taps into the SCXIbus MISO line to accept serial output data from a module. 27 DAQ D*/A P0.1 Input Board data/address line—this signal taps into the SCXIbus D*/A line to indicate to the module whether the incoming serial stream is data or address information. 29 SLOT 0 SEL* P0.2 Input Slot 0 select—this signal taps into the SCXIbus INTR* line to indicate whether the information on MOSI is being sent to a module or Slot 0. 36 SCAN CLK AI HOLD, AI HOLD COMP Input Scan clock—a rising edge indicates to the scanned SCXI module that the E/M Series DAQ device has taken a sample and causes the module to advance channels. 37 SER CLK EXT STROBE* Input Serial clock—this signal taps into the SCXIbus SPI CLK line to clock the data on the MOSI and MISO lines. 43 RSVD RSVD Input Reserved
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