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4 Inverter Control
4 - 6 EtherCAT Communication Unit USER’S MANUAL (I574-E1)
Sync Manager assignment
The function objects used with the NC unit are allocated to the remote I/O output relay area (CIO 3800
by default) and remote I/O input relay area (CIO 3900 by default) that are assigned to the NC unit.
Each of these units is allocated five words both at the output and input sides.
The inverter is controlled through the operation of these function objects.
Control information (master to slave)
Note: n: Start address of the remote I/O output relay area that is assigned to the unit.
Status information (slave to master)
Note: m: Start address of the remote I/O input relay area that is assigned to the unit.
Command
The bit data for the command is shown below.
*1. Operates as a start bit when position control is enabled.
Sync Manager PDO assignment Description
1C12 hex 1701 (Fixed allocation of the independent profile)
1600 (Setting as above)
1601 (Setting as above)
1C13 hex 1B00 (Fixed allocation of the independent profile)
1A00 (Setting as above)
1A01 (Setting as above)
4-2-3 Control Method
Word Meaning
nControl command
n + 1 Frequency reference
n + 2 Multi-step position command 0 (LSW)
n + 3 Multi-step position command 0 (MSW)
n + 4 Multi-function input
Word Meaning
mStatus
m + 1 Output frequency monitor
m + 2 Current position monitor (LSW)
m + 3 Current position monitor (MSW)
m + 4 Multi-function output monitor
Bit and data information
−−−−−−−−7−−−−−10
Bit Name Meaning
0 Forward/stop *1 0: Stop
1: Forward command
1 Reverse/stop *1 0: Stop
1: Reverse command
7 Fault reset : Resets an error or trip for the unit or inverter.
- (Reserved) The reserved area. Set 0.
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