Table 10 . Function codes (continued)
Parameter
Unit of
Measure
Security Level
Default Value
Key Entry Limit
To Read
To Write
To Reset
Low
High
265 Com 2
Rx Errors
XXXXX
---
View
NA
Operate
Reset* to
0
NA
NA
•Count of Receive Errors from Com 2.
300 PMT Mode A
State
Off
---
View
Modify
NA
Off
NA
NA
•The Preventive Maintenance Tapping (PMT) feature Mode A will automatically raise and lower
the tap-changer to wipe contact blades. The options include: Off; On.
301 PMT Mode A
Countdown Delay
XX Days
Days
View
NA
NA
NA
NA
NA
•This is the time remaining until the next PMT Mode A operation.
302 PMT Mode A
Time Delay
XX Days
Days
View
Modify
NA
7
1
99
•This is the user-defined period of time between PMT Mode A operations.
303 PMT Mode A
Issue Test
---
NA
Modify
NA
NA
NA
NA
•The user can force the PMT Mode A operation independent of the time-delay setting.
•The test is initiated by pressing ENTER and then ENTER again to confirm the command.
320 PMT Mode B
State
Off
---
View
Modify
NA
Off
NA
NA
•The Preventive Maintenance Tapping (PMT) feature Mode B will automatically raise and lower
the tap-changer to wipe reversing contact blades. The PMT feature Mode B is turned off or
on here. The options include: Off; On.
321 PMT Mode B
Countdown Delay
XX Days
Days
View
NA
NA
NA
NA
NA
•This is the time remaining until the next PMT Mode B operation.
322 PMT Mode B
Time Delay
XX Days
Days
View
Modify
NA
7
1
99
•This is the user-defined period of time between PMT Mode B operations.
323 PMT Mode B
Start Time
MM:SS
---
View
Modify
NA
22:00
00:00
23:59
•When the PMT feature Mode B is turned on (FC 320), operation is enabled only within a
specified time period. The starting time is set here.
324 PMT Mode B
Stop Time
MM:SS
---
View
Modify
NA
02:00
00:00
23:59
•The PMT Mode B operation is disabled after the stopping time set here.
325 PMT Mode B
Max Deviation
XX
---
View
Modify
NA
8
1
16
•This is the maximum number of tap positions beyond neutral for which PMT Mode B is
enabled.
83
INSTALLATION, OPERATION, AND MAINTENANCE INSTRUCTIONS
MN225003EN April 2018
CL-7 Voltage Regulator Control