SMC Networks LECSN-T Series - 20.5.3 Controlword;Statusword; 20.5.3.1 Controlword

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20．PROFINET COMMUNICATION
Figure 5.1 and Table 5.1 show the FSA state transition conditions. The transition from the Switch on disabled
state to the Operation enabled state requires Shutdown, Switch on, and Enable operation to be issued in this
order. However, with the _ driver, transition to the target state skipping the states in between is possible.
Current status
Command
Status after transition
Switch on disabled
Switch on
Switched on
Switch on disabled
Enable operation
Operation
Ready to switch on
Enable operation
Operation
20.5.3 Controlword/Statusword
The format of Controlword/Statusword used for the ProcessData communication is different depending on
Telegrams you use.
Refer to the following table.
Telegram
ProcessData communication
Controlword
Statusword
Standard Telegram 1
Control word 1 (compliant with
PROFIdrive)
Status word 1 (compliant with
PROFIdrive)
Telegram 100, 102
Controlword (compliant with CiA 402)
Statusword (compliant with CiA 402)
20.5.3.1 Controlword
The drive state can be switched and control commands for the functions of the drive can be issued by
rewriting Controlword from the master upper side. Refer to the followings for functions assigned to each bit.
(1) Control word 1 (compliant with PROFIdrive) bit definition
Control word 1 cannot be accessed from the Acyclic communication.
Bit
Name
Description
Controlword (P24640)
Bit
Name
0
ON
Refer to section 5.1. (Note 1)
0
Switch On
1
Coast Stop
Refer to section 5.1. (Note 1)
1
Enable Voltage
2
Quick Stop
Refer to section 5.1. (Note 1)
2
Quick Stop
3
Enable Operation
Refer to section 5.1. (Note 1)
3
Enable Operation
4
Depends on the control mode
(Refer to each control mode.)
5
6
7
Fault Acknowledge
When 1 is set from 0, alarms are reset.
(Note 1)
7
Fault Reset
8
JOG1 (not supported)
Not supported (Note 2)
9
JOG2 (not supported)
Not supported (Note 2)
10
Control By PLC
0: Not following PLC command (holding
previous value)
1: Drive following PLC command
11
Depends on the control mode
(Refer to each control mode.)
12
(Note 2)
13
14
15
Note 1.
Bit 0 to 3 and 7 are used for switching drive state. Refer to chapter 5.
2.
The values in bit 8, 9, and 12 to 15 at reading are undefined. Set "0" when writing.