15-61 Option SW Version
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Table 10.3
10.1.3 Warning 34 Appears even though
Communication is Established
If the master is in stop mode, Warning 34 appears. Check
that the master is in run mode. If the drive is not in OP
state Warning 34 will appear (60 s after power up or
immediately if drive has been in OP).
10.1.4 Frequency Converter Does Not
Respond to Control Signals
Check 1: Is the Control word valid?
If bit 10=0 in the Control word, the frequency converter
does not accept the Control word.
Check 2: Is the relationship between bits in the Control
word and the terminal I/Os correct?
Check the logical relationship in the frequency converter.
Define the desired logical relationship in
8-50 Coasting
Select
to
8-56 Preset Reference Select
according to the
following range of options. Select the FC control mode,
digital input and/or serial communication, using
8-50 Coasting Select
to
8-56 Preset Reference Select
.
The following tables show a coast command's effect upon
the frequency converter for the full range of
8-50 Coasting
Select
settings.
The effect of control mode upon the function of
8-50 Coasting Select
,
, and
8-52 DC
Brake Select
is as follows:
If
[0] Digital input
is selected, the terminals control the
Coast and DC Brake functions.
NOTE
Coasting, Quick Stop, and DC brake functions are active for
logic 0.
Terminal
Bit 02/03/04
Function
0
0
Coast/DC brake/Q-Stop
0
1
Coast/DC brake/Q-Stop
1
0
No Coast/DC brake/Q-Stop
1
1
No Coast/DC brake/Q-Stop
Table 10.4 [0] Digital input
If
[1] Serial communication
is selected, commands are
activated only when given via serial communication.
Terminal
Bit 02/03/04
Function
0
0
Coast/DC brake/Q-Stop
0
1
No Coast/DC brake/Q-Stop
1
0
Coast/DC brake/Q-Stop
1
1
No Coast/DC brake/Q-Stop
Table 10.5 [1] Serial communication
If
[2] Logic AND
is selected, both signals must be activated
to perform the function.
Terminal
Bit 02/03/04
Function
0
0
Coast/DC brake/Q-Stop
0
1
No Coast/DC brake/Q-Stop
1
0
No Coast/DC brake/Q-Stop
1
1
No Coast/DC brake/Q-Stop
Table 10.6 [2] Logic AND
If
[3] Logic OR
is selected, activation of one signal activates
the function.
Terminal
Bit 02/03/04
Function
0
0
Coast/DC brake/Q-Stop
0
1
Coast/DC brake/Q-Stop
1
0
Coast/DC brake/Q-Stop
1
1
No Coast/DC brake/Q-Stop
Table 10.7 [3] Logic OR
The effect of control mode upon the function of
8-53 Start
Select
and
:
If
[0] Digital input
is selected, the terminals control the start
and reversing functions
Terminal
Bit 06/15
Function
0
0
Stop/Anti-clockwise
0
1
Stop/Anti-clockwise
1
0
Start/Clockwise
1
1
Start/Clockwise
Table 10.8 [0] Digital input
Troubleshooting
MCA 124 EtherCAT Operating Instruction
46
MG92A302 - VLT
®
is a registered Danfoss trademark
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