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ABB RELION REX640 - 9.11.13 Technical revision history

ABB RELION REX640
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Characteristic Value
Typically ±5%
9.11.13 Technical revision history
Table 1599: PASANCR Technical revision history
Product
connectivity level
Technical
revision
Change
PCL4 B More accurate operation of controller with low resid-
ual voltage magnitudes. Parallel resistor automatic
control sequence is reset if earth-fault indication be-
comes inactive. New output TUNING_SUC (“Tuned
successfully”). New monitored data B_RATIO. Network
capacitive current I_C_NETWORK is scaled with respect
to residual voltage channel setting
Primary voltage
.
IRES input allows connection from GRPOFF function
block. Outputs OP_RESISTOR, CL_RESISTOR,
OP_FIXCOIL and CL_FIXCOIL are fixed to 100 ms
pulses. TUNING_STS enumerator has new elements.
1
Network resonance point voltage must be at least 0.005 × U
n
, where U
n
= nominal phase-to-earth
voltage
1MRS759142 F Control functions
REX640
Technical Manual
1757

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