Command errors and alarms, Rs-232 command set, Rs-232 commands – New Era HEATER-KIT-1LG Syringe Heater User Manual
Page 11: Heating commands

New Era Pump Systems Inc.
www.SyringeHeater.com
Model HEATER-KIT-1
Publication #1200-01
10
04/23/14
Carriage return
Start of packet transmission indicator
End of packet transmission indicator
Number of bytes remaining in packet, including this byte
7.3
Command Errors and Alarms
If a command received by the device is not recognized or the data is invalid, an error message will be in the
field of the response packet following the
λ
Command is not recognized (‘?’ only)
NA
Command is not currently applicable
OOR
Command data is out of range
COM
Invalid communications packet received
IGN
Command ignored due to a simultaneous new Phase start
When an alarm occurs, the alarm must be acknowledged before any data is changed or the device is started.
Alarms are acknowledged by the user clearing the alarm message on the keypad, or the alarm status being
sent in response to any valid RS-232 command.
7.4
RS-232 Command Set
Data changes made from RS-232 will not be stored in non-volatile memory until a Save command is
executed: SAV
A packet without a command is interpreted as a status query. The addressed device responds with a status
only response packet.
Except where noted, a setting command without its parameter queries the command setting. The response
packet data will include the requested data. In general, the query response data will be in the same format
as the parameter for setting the command. For example, the query temperature setpoint command ‘SET’
will respond with ‘
Otherwise, the command is a set command. If the data was set, a status only response packet will be sent.
If the data was not set, the response packet will include an error (
why the data was not set.
All commands are upper case. Spaces are optional. Lower case letters are converted to uppercase when
received.
7.5
RS-232 Commands
HEATING COMMANDS
START ACTIVE HEATING MODE
RUN
Enter active mode, maintaining heating temperature.
STOP ACTIVE HEATING MODE
STP
Exit active mode. Stops heating the heating pads.
TEMPERATURE QUERY
TMP
Query primary heating pad temperature in currently set units.
Query response:
HEATING SET POINT
SET [ nnn ]
Set/Query Heating set point in currently set units.
Query response: