ABB REG670 - Page 753

Table 427: Gray code conversion
IEC06000523 V1 EN
Via a mA input signal
Any of the six inputs on the mA card (MIM) can be used for the purpose of tap changer
position reading connected to the Tap changer control and supervision, 6 binary inputs
TCMYLTC or 32 binary inputs TCLYLTC.
1MRK502052-UEN B Section 14
Control
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Technical manual