
38
CET Inc.
Current H Alarm:
Figure 4-10 Current H Alarm Logic Diagram
Current L Alarm:
Figure 4-11 Current L Alarm Logic Diagram
Current LL Alarm
Figure 4-12 Current LL Alarm Logic Diagram
4.3.5 DC Residual Current Alarm
When the
Mains Current Type
is
Residual
, the PMC-512-D provides 2 alarm levels (High-High, High) for
the
Residual Current Alarm
. If the
Mains Current Type
is
Incomer
, the
Residual Current Alarm
is
disabled.
The following table illustrates the Residual Current Alarm parameters.
Parameters
Description
Range/Default
Current H Alarm Limit
Residual Current HH Alarm Limit
0*
1
to 1000 mA
Current H Alarm Time Delay
Residual Current HH Alarm Time Delay
0* to 9999 (s)
Current HH Alarm Limit
Residual Current H Alarm Limit
0*
1
to 1000 mA
Current HH Alarm Time Delay
Residual Current H Alarm Time Delay
0*
1
to 9999 (s)
Current Alarm Trigger
Residual Current Alarm Trigger
0*
2
=Disabled, Bit 0=DO
Bit 1=Alarm LED
Bits 2-15=Reserved
Table 4-9 Current Alarm Parameters
Notes:
1)
0 means this Alarm Channel is disabled.
2)
0 means the Alarm Trigger is disabled.