1. SFISA-7311 / 7312 / 7313 is the ISA bus digital input output interface cards can be easily applied to the computer with ISA bus slots. PC operating system can use the popular Windows family, Unix and other operating systems and professional data acquisition and analysis software, LabVIEW, LabWindows / CVI environments. 
 SFISA-7311 digital input output interface card with 128 digital inputs. 
 SFISA-7312 digital input output interface card equipped with a switch output channel 128. 
 SFISA-7313 digital input output interface card with 64 digital inputs and 64 digital output channels 
 Digital output card with zero power and data latch function, please. 
 Digital input card has 2-way option to request a break. 
 SFISA-7311 / 7312 / 7313 card is easy to install, simple programming. Simply use the interface card into any PC ISA bus slot. The input and output signals from the card socket 37-pin and 40 pin D-type socket to connect external equipment signals. 
 SFISA-7311 / 7312 / 7313 series cards can be an external SF terminal board, greatly expanding the digital input output interface card features a high-voltage direct-current device interfaces to achieve the control and monitoring of these devices. 
 2 Performance 
 2.1.1 SFISA-7311 performance 
 Switch input channels: 128 
 Digital input interrupt channel: 1 channel 
 2.1.2 SFISA-7312 performance 
 Switch output channels: 128 
 Switch output channels: zero power, please 
 Switch output channels: the output data latches 
 2.1.3 SFISA-7313 performance 
 Switch input channels: 64 
 Switch output channels: 64 
 Switch output channels: zero power, please 
 Switch output channels: the output data latches 
 Digital input interrupt channel: 1 channel 
 1.1 Technical parameters 
 Input and output signal level characteristics: 
 Input High: VIH = 2.8V min 
 Input Low: VIL = 0.8V max 
 Output High: VIH> = 3.2V min 
 Output Low: VIL <= 0.3V max 
 Output Current: 0.4mA max 
 Output Current: 8mA Min 
 Input and output interface level: TTL / CMOS level compatible 
 Interrupt Select: IRQ3 ~ IRQ15 
 Interrupt input level: TTL / CMOS level compatible 
 1.2 Power Consumption 
 +5 V ≤ 500mA; (max) 
 1.3 use of environmental requirements 
 Operating temperature: 10 ℃ ~ 40 ℃ 
 Relative Humidity: 40% to 80% 
 Storage temperature: -25 ℃ ~ +85 ℃ 
 1.4 Dimensions: (without bezel) 
 Dimensions (without bezel): length × height = 155mm × 88mm (6.1 英寸 × 3.5 inches)