Hanna Instruments HI 700 Series - Manual (Page 17)

33 32
Command Parameter Description
CAR null Request calibration data
GET NN Request setup item NN
K 01 null Same as CFM+ +CAL keys
K 02 null Same as LCD+CAL+SETUP keys
KCD null Same as CAL DATA key
KCF null Same as CFM key
KCL null Same as CAL key
KDS null Same as LCD key
KDW null Same as key
KRG null Same as key
KST null Same as SETUP key
KUP null Same as key
MDR null Request firmware code
ECR null Request EC reading
(in control or idle mode only)
TDR null Request TDS reading
(HI 710 models only, available in
control or idle mode only)
RNG null Request measure Range
(in control or idle mode only)
TMR null Request temperature reading
PWD NNNN Send the 4-digit password
SET NNPC
1
C
2
C
3
C
4
C
5
Set setup item NN to the
PC
1
C
2
C
3
C
4
C
5
value
P=+ if value is greater than 0
P=- if value is less than 0
C
1
can be 0 or 1 only
C
2
C
3
C
4
C
5
can be 0÷9 or blank
(the command is not available if
the controller is in setup mode)
Note If the controller is not in control or idle mode and the tem-
perature reading is requested through the TMR command,
the controller answers with the last acquired reading when it
was in control or idle mode.
Note After a recognized PWD command is received, the controller
allows a maximum of 1 minute without receiving data, after
which it locks again and a new PWD command is needed to
perform password protected operations.
Following are examples of commands for setup items:
1) “03 SET 22-01200”
This command sets the setup item 22 (relay 2 setpoint) of
a EC controller, identified by the process ID number 03,
to the +12.00 mS value.
2) “01 SET 33+005 ◊◊ ”
This command sets the setup item 33 (max. relay ON
time) of a controller, identified by the process ID number
01, to 5 minutes. The
“ ◊” character means blank.
Once the controller has received a command, it answers
with its 2-digit process ID number followed by:
• ACK (Hex 06)
If the controller recognizes the received command
and performs the requested task;
• STX (Hex 02) , Data , ETX (Hex 03)
If the received command is a request of data;
• NAK (Hex 15)
If the received command is not recognized (e.g. the
syntax is wrong);
• CAN (Hex 18)
If the controller cannot answer the request (e.g. the
password was not sent, the controller is in setup
mode, the setup item is not available in that model,
etc.)