ST/PL4

Gas detection control panel that allows the connection of a minimum of 4 to a maximum of 8 flammable, toxic gas or oxygen detectors with 4-20 mA proportional output. For each input, it is possible to set both the type of detector,

• both the suitable measurement range and the alarm level values
• The measured concentration values are displayed on a
• backlit liquid crystal display
• + 1 auxiliary that can be associated with one of the four previous states
• With the addition of the optional ST/PL4/ESP module, 16
• open collector outputs are implemented in addition to the 4 inputs
• 240 mA with expansion board