Chapter 10 Protective Functions
10-5
Cx2000 AC Drive
10.4 Output phase loss protection
Group
Code
Parameter
Set Value Range Initial
Unit
Function
group 2
H19
Input/Output phase loss
protection select
1
0 ~ 3
3
Set H19 value to 3 in the function group 2.
Output phase loss: Inverter output is shut off at the event of more than one
phase loss among 3 phase output (U, V and W).
Input phase loss: Inverter output is blocked at the event of more than one p
hase loss among R, S and T.
Warning
Set H33 [Motor rated current] correctly. If the actual motor rated current and the
value of H33 are different, output phase loss protection function could not be
activated.
H19
Input/Output
phase loss
protection
select
Input loss phase
protection
Output loss phase
protection
Bit 1
Bit 0
0
1
2
3
10.5 External trip signal
Group
Code Parameter
Set Value Range
Initial Unit
I/O Group
I17
Multi-function input terminal
P1 define
0 ~ 27
0
~
~
I20
Multi-function input terminal
P4 define
18
3
I21
Multi-function input terminal
P5 define
19
4
Select a terminal among P1 thru P5 to output external trip signal.
Set I20 to 18 and I21 to 19 to define P4 and P5 as External A contact and
B contact.
Summary of Contents for C*2000 Series
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