45
7
7
OBJECT MAP
7.1 Format of the I/O communication (polling)
7.1.1
Output Instance 20/Input Instance 70
Output Instance 20 (master
→
inverter)
When using Output Instance 20, set Input Instance to 70.
• Output Instance 20 details
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)
Reserved (0)
Reserved (0)
Reserved (0)
Reserved (0)
Fault Reset
Reserved (0)
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)
Bit2
Fault Reset
Reset request at an error occurrence
Valid only at in inverter trip
(0: no function 1: fault reset request)
Byte2
Byte3
Speed Ref
Speed reference (1 r/min)
Conversion of speed and frequency depends on the
Pr.144
setting. (Refer to