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Functions
9.7 Monitoring functions
9.7.3
Line supply voltage monitoring
The power output module (POM) can be operated in TN systems and TT systems. The
permitted voltage range is:
● For "Connection between phase and phase" 360 V AC to 520 V AC
● For "Connection between phase and neutral conductor" 207 V AC to 300 V AC
The actual line voltage per POM and per phase is measured and monitored. The actual
voltage measurement is reported to the user (see section Cyclic input data (Page 128)).
If the voltage lies outside the admissible range, error message 5102 is generated (see
section Manufacturer-specific error codes (Page 141)) and heater operation stops. Heating
can only be switched on again when the voltage has returned to the admissible range.
NOTICE
Excessive voltages can damage the device
It is the responsibility of the user to ensure compliance with the maximum voltage limits.
9.7.4
Monitoring of the 24 V DC supply voltage
The 24 V DC supply voltage is monitored on the CIM. If the 24 V fails, the power outputs of
the POMs are automatically deactivated. There is no manufacturer-specific diagnostics
alarm in the case of failure of the 24 V supply. Instead, the PROFINET/PROFIBUS controller
detects and signals the failure of the HCS system or modules.
9.7.5
Frequency monitoring
Frequency monitoring
The frequency of the applied line voltage is automatically detected and monitored. The
frequency value can be read by the user.
Frequency
50 Hz
60 Hz
120
Valid range
47 Hz to 53 Hz
57 Hz to 63 Hz
SIPLUS HCS4300 PROFINET/PROFIBUS DP
Operating Instructions, 10/2019, A5E35452705A/005
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