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Chapter 5 – Programming
Data set 5 - ACTUAL 1
Data set 6 - ACTUAL 2
Communication
Loss Setup
30.18 COMM FLT FUNC
30.19 COMM FLT
TIME OUT
5-12
This data set contains Actual value 1. This value is selected using Parameter
15.1. The possible selections are described in Parameter 15.1 ANALOGUE
OUTPUT 1.
This data set contains Actual value 2. This value is selected using Parameter
15.6. The possible selections are described in Parameter 15.6 ANALOGUE
OUTPUT 2.
To protect equipment and personnel, the drive in application must be config-
ured properly to handle situations where communication is lost from the con-
trolling system. The ACS 600 drive has two parameters which will define the
action to be taken if communication is lost to the drive.
Defines what action is taken when the communication master is lost.
FAULT
Loss of communication will generate a fault in the ACS 600 drive. The fault
is recorded into the fault history, and shown on the panel. The drive stops
according to the stop function set in Parameter 21.3 STOP FUNCTION.
NO
The loss of communication is ignored. No action is taken.
CONST SP 15
There is a warning on the drive control panel, and on the Status Word. The
drive will run at the speed defined in Parameter 12.16 CONST SPEED 15.
LAST SPEED
There is a warning on the drive control panel, and on the Status Word. The
drive will continue to operate at the last received speed. This value is the aver-
age reference over the last 15 seconds before the loss of communication.
WARNING! If CONST SP 15 or LAST SPEED is selected, ensure
it is safe to continue operation in case communication with the
adapter module fails.
Defines the maximum time allowed between writes to data set 1 (Control
Word) from the master, before a communication loss is detected.
0.1 s – 60.0 s
Installation and Start-up Guide for NMBP-01
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