ABB AI890 3BSC690071R1 Accessory drive
ABB AI890 3BSC690071R1 Accessory drive
You cannot change the start channel in the module Configuration Register during a scan. Either the data acquisition board or the front connector can supply the HOLDTRIG signal.Single-Module Multiplexed Scanning (Indirect) In this mode, you do not cable the SCXI-1140 directly to the data acquisition board. Instead, you cable another module to the data acquisition board, and the analog output of the SCXI-1140 is sent over Analog Bus 0, through the intermediate module, and then to the data acquisition board. The output multiplexer clock is received from TRIG0, having been sent there by the intermediate module, as shown in Figure 3-9. Either the data acquisition board or the front connector can supply the HOLDTRIG signal. The HOLDTRIG signal is bused on TRIG1 of the SCXIbus. Slot 0 operation is the same as in the direct connection case.
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