Energy Meter Manual

<Toc> <Ind> <4. PC Link Communication Protocol>
4-13
IM 77C01E01-10E
INF6 Reads the model, suffix codes, and version information
Function
This function code reads the model, suffix codes, and version number of the PR300.
For the format of response in the event of failure, see subsection 4.1.2.
Command/Response (for normal operation)
Response (continued)
Number
of Bytes
Command
element
1
STX
2
Station
number
(ST-NO)
3
INF
2
6
2
01
11
Checksum
1
ETX
1
CR
Number
of Bytes
Response
element
1
STX
2
Station
number
(ST-NO)
2
01
2
OK
4
Version and
revision
numbers
(Note 2)
4
Start
register
specified for
readout
refreshing*
1
4
Number of
registers
specified for
readout
refreshing*
22
12
Model code:
PR300✩★
(Note 1)
4
Number of
registers
specified for
write
refreshing*
0
Start
register
specified for
write
refreshing*
1
4
2
Checksum
1
ETX
1
CR
0
The * mark indicates fields the FA-M3s UT link module refers to.
Note 1: Model and suffix code information
PR300✩★䊐䊐䊐䊐䊐
<Model><Suffix code>
:
Returns the currently selected phase and wire system
1: Single-phase two-wire system
2: Single-phase three-wire system
3: Three-phase three-wire system
4: Three-phase four-wire system
5: Three-phase four-wire system (2.5 element)
: Returns the currently selected input range
1: 150 V/1 A
2: 150 V/5 A
3: 300 V/1 A
4: 300 V/5 A
5: 600 V/1 A
6: 600 V/5 A
(* and are decided by the settings of the phase and wire system and the input range.)
: Returns the suffix code as is
Example:
Suffix code: PR300-32333-6A-0;
Selected phase and wire system:
Single-phase three-wire system; and
Selected input range: 300 V/5 A; then
PR300243336A
Note 2: Version number and revision number
<Revision number>
<Version number>
Example: 0102
(version number + revision number)
Not returned
Example
To read the model, suffix code etc. of PR300 at station number 01:
[Command]
[STX]01010INF605[ETX][CR]
In response to this command, the following values will be returned:
Phase and wire system: Single-phase three-wire system
Rated input voltage/current: 300 V/5 A AC
I/O function: Analog output and pulse output
Communication function: Ethernet
Optional measuring function: Demand measurement
Phase indication format: R, S, and T indications
[Response]
[STX]0101OKPR300243336R01020001002200010000E1[ETX][CR]