IAI America RCM-GW-CC - Manual (Page 59)

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CAUTION
1. 24 bit binary data with a sign of PLC output and input is handled as a negative number when the
uppermost bit is “1.” However, note that the data is handled as normal numeric data on the PLC.
PLC input
1 word = 16 bits
Position data designation
Present position data
Cannot be used Present position data (integer with sign)