Network
Communications
6
6.2 Modbus Communications
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual 231
Register No.
(Hex.)
Description
002F Frequency reference bias (Up 2/Down 2 function) (Units: 0.1%)
0030 Reserved
0031 U1-07 [DC Bus Voltage] (unit: 1 V)
0032 U1-09 [Torque Reference] (unit: 1%)
0033 Reserved
0034 Product code 1 [ASCII], product type 1 (Q2A =0A)
0035 Product code 2 [ASCII], product type 2 (Q2A =72)
0036 - 0037 Reserved
0038 PID Feedback: Unsigned, input is equivalent to 100%/maximum output frequency (Units:0.1%)
0039 PID Input: Signed, ±100%/±maximum output frequency (Units:0.1%)
003A PID Output: Signed, ±100%/±maximum output frequency (Units:0.1%)
003B - 003C Reserved
003D
Communications error description
Note:
The drive saves the description of the communications error until you reset the fault.
bit 0
CRC Error
bit 1 Data Length Error
bit 2 Reserved
bit 3 Parity Error
bit 4 Overrun Error
bit 5 Framing Error
bit 6 Timeout
bit 7 - F Reserved
003E
Output frequency
Units: min
-1
or r/min
Note:
Set Motor Pole Count E2-04, E4-04, E5-04, E9-08.
003F
0.01 % units
0040 - 004A Used with U1: STATUS. Refer to the U: MONITORS for parameter details.
004B
U1-12 [Drive Status]
bit 0 1: During run
bit 1 1: During zero speed
bit 2 1: During reverse
bit 3 1: During reset signal input
bit 4 1: During speed agreement
bit 5 1: Drive operation ready
bit 6 1: Minor Fault
bit 7 1: Fault
bit 8 1: oPExx [Operation Error] generation
bit 9 1: Recovery from momentary power loss, 0: Power recovery
bit A 1: Motor 2 Selection
bit B Reserved
bit E ComRef status/ NetRef status
bit F ComCtrl status/ NetCtrl status
004C - 007E Use with U1: STATUS, U4: MAINTENANCE, U5: PID, U6: ADVANCED. Refer to U2: FAULT and U3: FAULT HISTORY for details.
007F Minor fault code (Refer to “Minor fault description” for more information on the minor fault codes.)
0080 - 0097
Use with U2: FAULT, U3: FAULT HISTORY. Refer to U: MONITORS for details, and refer to “Fault Trace/Fault History Descriptions” for details on register
values.
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