
Operation
51
5. Use the arrow keys to select the menu option
<
rEM> and confirm with
[OK]
.
6. Use the arrow keys to select
<232>
and confirm with
[OK]
.
7. Start the terminal program on the computer.
8. Enter the interface parameters into the terminal program.
See the RS232 interface section.
9. Use the terminal program to select the COM port of the circulator and
establish a connection.
Remote control via the serial interface is activated. rOFF appears in standby
mode. You can now remote control the circulator with interface commands
via the terminal program.
8.7.4 Request device status
The current device status can be queried via an interface command.
The device is connected to a PC via an interface.
1. Enter the command "status“ in the terminal program and press
[Enter]
.
The device responds with a status message. If an alarm or warning is
pending, the device sends the respective alarm or warning message to the
status query. Explanations of the status messages as well as alarm and
warning messages can be found in the Appendix.
8.8 Setting the timer
The timer can be used to program the duration of a temperature control
application from 0 to 999 minutes. The setpoint temperature is maintained for
the programmed time. After the set duration has elapsed, the device switches to
standby mode.
The device is switched on.
1. Press the
[MENU]
key.
2. Use the arrow keys to select the menu option
<tSEt>
and confirm with
[OK]
.
The minute display flashes.
3. Use the arrow keys to set the minutes.
Press and hold the arrow key for fast counting.