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The 7IA0 is a 48 input, 24 output isolated I/O card. The 7IA0 provides 24 isolated 36VDC 2.5A output drivers and 48 isolated inputs. All output drivers are low saturation voltage MOSFETs for low power dissipation. Each of the 24 output switches is isolated from the others, allowing high side, low side, push-pull and other output switch configurations. A built in watchdog timer turns all outputs off if the 7IA0 is not accessed within the watchdog timeout interval The 48 isolated inputs operate with 4V to 36V DC and can have a positive or negative common for sourcing or sinking input applications. 4 input commons are provided for mixed sourcing/sinking/voltage compatibility. All isolated input and outputs have LED status indicators. Eight of the isolated input pins can be used to support up to four quadrature output MPGs. Both 1x and 4x modes are selectable. Four eight bit analog inputs are provided. The RS-422 interface at 2.5 MBaud is compatible with HostMot2s SSLBP smart serial interface which can support as many as 32 7IA0 cards for a total of 2304 I/O points with real time update rates up to 10 KHz. 3.5 mm pluggable screw terminals are used for all isolated I/O. The 7IA0 can be cable powered or powered from a local 8VDC to 32VDC supply. The 7IA0 mounts in a standard 107mm DIN tray which is available from Mesa.
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