Parameter Access Method - Toshiba TOSVERT VF-FS1 Series Function Manual

7.5. Parameter access method

Parameter access is allowed by using nviParamCmd and nvoParamResp network variables. The
structure format is shown in below table.
Field
learn
selector
value[0]
value[1]
value[2]
value[3]
day ,hour, minute,
second, millisecond
- Example 1: Read access
A controller node reads the value of Trip code (address FC90). Now, ol1 trip (trip code is 13
decimal) occurs. The value is 000D hex. The controller node sends/receives the following data.
Field
learn
selector
value[0]
value[1]
value[2]
value[3]
day ,hour, minute,
second, millisecond
- Example 2: Write access
The controller node writes cumulative energy clear command (address FA20). The data value is
0002 hex. The controller node sends/receives the following data.
Field
learn
selector
value[0]
value[1]
value[2]
value[3]
day ,hour, minute,
second, millisecond
N.B.: After sending cumulative energy clear command, 0000 hex should be re-written into FA20.
Length
Command
2 (LN_LEARN_VALUE)
1 byte
3 (LN_REPORT_VALUE)
Parameter address (unsigned value)
2 bytes
0 at successful
1 byte
0xFF at occurred error
0
1 byte
The most significant 2 hex bytes of data
1 byte
The least significant 2 hex bytes of data
1 byte
N/A
Total
7 bytes
Send (nviParamCmd)
LN_REPORT_VALUE
FC90 hex
N/A
N/A
N/A
N/A
N/A
Send (nviParamCmd)
LN_LEARN_VALUE
FA20 hex
00 hex
00 hex
00 hex
02 hex
N/A
- 35 -
Description
: Write
: Read
Receive (nviParamResp)
LN_REPORT_VALUE
FC90 hex
0
0
00 hex
0D hex
0
Receive (nviParamResp)
LN_LEARN_VALUE
FA20 hex
00 hex
00 hex
00 hex
02 hex
0
E6581373