47
7
7.1.2
Output Instance 21/Input Instance 71
Output Instance 21 (initial value) (master
→
inverter)
When using Output Instance 21, set Input Instance to 71.
• Output Instance 21 details
If both Run Fwd and Run Rev are ON, the start signal is not changed. (The previous status remains unchanged.)
The communication continues during the error reset of the inverter.
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
Reserved (0)
Net Ref
Net Ctrl
Reserved (0)
Reserved (0)
Fault Reset
Run Rev
Run Fwd
1
Reserved (0x00)
2
Speed reference (low byte)
3
Speed reference (high byte)
Byte0
Bit0
Run Fwd
Forward rotation signal
(0: forward rotation OFF 1: forward rotation ON)
Only NetCtrl (Bit 5) = 1
is valid.
Bit1
Run Rev
Reverse rotation signal
(0: reverse rotation OFF 1: reverse rotation ON)
Bit2
Fault Reset
Reset request at an error occurrence
Valid only at an inverter trip
(0: no function 1: fault reset request)
Bit5
NetCtrl
0: The values set in Bit0 to 2 of Byte0 are not written to the inverter.
1: The values set in Bit0 to 2 of Byte0 are written to the inverter.
Bit6
NetRef
0: The speed reference is not written to the inverter.
1: The speed reference is written to the inverter.
Byte2
Byte3
Speed Ref
Speed reference (1 r/min)
Conversion of speed and frequency depends on the
Pr. 144
setting. (Refer to
To write the speed reference to the inverter, set NetRef (Bit6 of Byte0) = "1".
