SYSWAY
4.2 Command Descriptions
4-5
4.2 Command Descriptions
■ Read Process Value
This command reads the process value and status.
Command
Response
(1) PV
See SECTION 3 Communications Data for CompoWay/F and
SYSWAY.
(2) Status
(3) End Code
When the end code is “00,” this indicates normal completion of the
command. Otherwise, the command could not be processed. For
details on end codes, see Response Frame on page 4-3.
@
FCS
CR
*
RX 0R
Communi-
cations
unit num-
ber
Header
code
Termi-
nator
Data
code
@
FCS
CR
*
RX 0R
Communi-
cations
unit num-
ber
Header
code
Termi-
nator
End
code
PV Status
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
00 0 0 00 00 00
Bit position
Input error
Heater burnout (HBA) detection
EEPROM
Alarm 1
Alarm 2
Write mode
Communications writing
Item
Description
0 1
Input error Not generated Generated
Heater burnout
detection
OFF or does not function ON
EEPROM RAM = EEPROM RAM ≠ EEPROM
Alarm 1 OFF or does not function ON
Alarm 2 OFF or does not function ON
Write mode Backup mode RAM write mode
Communications
writing
OFF (disabled) or does not
function
ON (enabled)