Register No. Contents002EH Reserved002FH Frequency Reference Bias (from Up/Down 2 Function), 0.1% units0030H Reserved0031H DC Bus Voltage, 1 Vdc units0032H to 0033H Reserved0034H Product Code 1 [ASCII], Product Type0035H Product Code 2 [ASCII], Region Code0036H, 0037H Reserved0038H PID Feedback, 0.1% units, unsigned, 100% / max. output frequency0039H PID Input, 0.1% units, signed, 100% / max. output frequency003AH PID Output, 0.1% units, signed, 100% / max. output frequency003BH, 003CH Reserved003DHCommunications Error Contents <3>bit 0 CRC Errorbit 1 Data Length Errorbit 2 Reservedbit 3 Parity Errorbit 4 Overrun Errorbit 5 Framing Errorbit 6 Timeoutbit 7 to bit F Reserved003EH Output Frequency r/min <4>003FH 0.01% units0040H to 004AH Used for various monitors U1-oo. Refer to U: Monitors on page 479 for parameter details.004BHDrive status (U1-12)bit 0 During Runbit 1 During Zero Speedbit 2 During Reverse Runbit 3 During Fault Reset Signal Inputbit 4 During Speed Agreebit 5 Drive Readybit 6 Alarmbit 7 Faultbit 8 During Operation Error (oPEoo)bit 9 During Momentary Power Lossbit A to B Reservedbit E ComRef status, NetRef statusbit F ComCtrl status, NetCtrl status004CH to 007EH Used for various monitors U1-oo, U4-oo, U5-oo and U6-oo. Refer to U2: Fault Trace on page 481 and Refer to U3:Fault History on page 482 for parameter details.007FH Alarm Code, Refer to Alarm Register Contents on page 535 for alarm codes.0080H to 0097H Used for monitors U2-oo, U3-oo. Refer to U: Monitors on page 479 for parameter details and Refer to Fault TraceContents on page 533 for register value descriptions.0098H High Word of Accumulated Operation Time Monitor, 10 h units (U4-01)0099H Low Word of Accumulated Operation Time Monitor, 1 h units (U4-01)009AH High Word of Cooling Fan Operation Time Monitor (U4-03)009BH Low Word of Cooling Fan Operation Time Monitor (U4-03)009CH to 00AAH Reserved00ABH Drive Rated Current <2>00ACH to 00AFH ReservedC.9 MEMOBUS/Modbus Data Table524 YASKAWA SIEP YAIP1U 01C AC Drive - P1000 Technical Manual