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EM37xx | Pressure measuring terminals · 0 次阅读

Limit value monitoring (Limit 1 and Limit 2)

Limit 1 and limit 2, index 0x80n0:13, index 0x80n0:14

For each channel two limits available for limit value monitoring within the measuring range.
In this way it is possible to generate different warning levels or a traffic light function (see application examples).

  • Activation of limit value monitoring via indices 0x80n0:07 (Limit 1) or 0x80n0:08 (Limit 2).
  • Entering the values for limit 1 (index 0x80n0:13) and limit 2 (index 0x80n0:14).
  • The bits in indices 0x60n0:03 (limit 1) and 0x60n0:05 (limit 2) are set when the value exceeds or falls below the defined limits.
    Output Limit n (2-bit):
    • 0: not active
    • 1: Value is smaller than the limit value
    • 2: Value is larger than the limit value
    • 3: Value is equal to the limit value