28 channels of independent output with a maximum operation current
of 5A; *On-line adjustment,check and setup; *2X30 operating stages for operating on regularly days and
holidays. *2 fixed ,8 programmable operating menus,each programmable menu can
program 60 steps with a time of 1-255 seconds each; *The flashing status of each signal lamp can be set and the
frequency and the time of flashing is adjustable; *Yellow flash time at night can be set freely and the frequency is
adjustable. *One can have access to the emergency state at any time. *Manual control can realize single step operation at random and at
specified menu; *Auto power trip protection and the operation parameters can be
stored for up to ten years; *Auto testing the green conflict ,In case of green conflict,it
automatically becomes flashing yellow; *Equipped with upgrading board and RS-232422 communication ports,to
realize the connection to the central computer and the auto
checking of the traffic flo