Profidrive - Standard Telegram; Control Word (Ctw) In Profidrive Standard Telegram - Danfoss iC7 Series Operating Manual

iC7 Series Modbus
Operating Guide
Bit Name
num-
ber
10 Frequency limit ok/Out
of frequency limit
11 In operation/No opera-
tion
12 Reserved
13 Reserved
14 User defined
15 User defined
2.2.2 PROFIdrive – Standard Telegram 1
Standard telegram 1 is implemented according to PROFIdrive Application Class 1 profile as defined in the PROFIdrive standard and
state machine diagram.

2.2.2.1 Control Word (CTW) in PROFIdrive Standard Telegram 1

Table 7: Control Word Bits in PROFIdrive Standard Telegram 1
Bit Name
number
0 On-Off
1 Coast stop
2 Quick stop
3 Operation
4 Ramp genera-
tor
5 Freeze
Danfoss A/S © 2023.09
Description
• CTW Bit 10 = 0.
• HMI is in local mode.
• MyDrive® Insight has taken control.
• Control places do not include fieldbus.
1 = The output frequency is within the defined motor limits.
0 = The output frequency has exceeded the motor limits defined in parameters.
The speed limits are set by parameters:
•
P 5.8.3.1 Positive Speed Limit
• P 5.8.3.2 Negative Speed Limit
•
P 5.8.3.3 Minimum Speed Limit
1 = The process is running, and the motor could be running or starting at any time.
0 = There are no active start requests, and the process does not run. The motor is in a coas-
ted state and is not started.
Reserved
Reserved
These bits are reserved for application-specific advanced control. For more information, re-
fer to the Parameter Descriptions chapter in the application guide.
Description
1 = On.
0 = Off.
1 = No coast stop.
0 = Coast stop.
1 = No quick stop.
0 = Quick stop.
1 = Enable operation.
0 = Disable operation.
1 = Enable Ramp generator (RFG).
0 = Reset Ramp generator. Output of the RFG is set to 0. The drive decelerates along the current limit
or along the voltage limit of the DC link.
1 = Unfreeze ramp generator.
0 = Freeze ramp generator. Freezes the present output frequency (in Hz).
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