1. Quantity of channels: 8-channel parallel DA 2. Resolution: 16 bit 3. Max updating rate: 1MHZ 4. Output range: ±10V 5. 48-channel bidirectional TTL level digital input / output The DAC function module ZY42203 is a data acquisition module based on PXI/CPCI bus, which has such above mentioned prominent performances.The DAC function module is a data acquisition module based on the PXI/CPCI/PCI/PC104 bus respectively, which is one of the most widely used products in the testing industry. The data acquisition DAC function module we developed has many types with good reliability. In addition, it can also provide modules with Windows, Linux, Lab VIEW/RT, RTX, QNX, Wince module drivers and APIs, which can be widely used in construction of automatic testing systems, data acquisition and recording systems, control simulation system development and other fields. Performance Parameters Output channel: 8-channel parallel DA channels Max updating rate: 1MHZ Resolution: 16 bit Voltage input range: ±10V General Specifications External dimensions (L H): Standard PXI/CPCI 3U board 160mmX100mmX4HP, tolerance