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455-461 Series
4.3 CODING
4.3.1 General
The unit coding can be performed with a full code (all the coding fields given below) or with
a simplified code (461 series only) without the specification of the drive signal or of the
thyristor firing mode.
With a simplified code, the 461 series units are delivered with:
• the Input signal configured at 4-20 mA
• the "Phase angle" thyristor firing mode
• the frequency 50 Hz
• the position of the ramp potentiometer or of the delay at triggering, at a maximum.
The
455
series has the following functions:
• the output for "Slave" module drive (10 Vdc; 10 mA)
• the gating circuit (from the 456 model)
• inhibition.
The
461
series has the following functions:
• current limit.
• partial load failure detection, alarm relay contact open in alarm status
(as an option, the partial load failure is indicated by the contact closed
in alarm status)
• the output for "Slave" module drive (10 Vdc; 10 mA)
• the gating circuit (from the 462 model)
• inhibition.
4-6
451-461 User Manual
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