Vaisala HMP240 User Manual
Page 37
HMP240 series
M210300en
User's Guide
35
5.3.7.5
Heat on / heat off command
The status of this command should always be HEAT ON, and it should not be
altered. It is meant for service purposes only.
5.4
Serial commands
All available serial commands are described in more detail in Appendix 1. The
following chapters include only the most commonly used command
sequences. See Chapter 4.4 for connecting the HMP240 transmitter to a serial
bus.
Pressing ESC always interrupts any serial command being given. In the com-
mands <cr> stands for carriage return.
5.4.1 Analogue output commands
5.4.1.1
Setting the analogue outputs
Disconnect the security lock jumper!
AMODE a bb.bbb cc.ccc d ee.eee ff.fff <cr>
a
=
channel 1:
U
=
voltage output
I
=
current output
bb.bbb =
lower limit of channel 1
cc.ccc
=
upper limit of channel 1
d
=
channel 2:
U
=
voltage output
I
=
current output
ee.eee
=
lower limit of channel 2
ff.fff
=
upper limit of channel 2
The bb.bbb, cc.ccc, ee.eee and ff.fff parameters are entered in volts or milli-
amperes.
Example: lower limit of channel 1 is 0 V and upper limit 1 V
(U 0 1)
lower limit of channel 2 is 2 V and upper limit 10 V
(U 2 10)
>AMODE U 0 1 U 2 10 <cr>
Ch1 : 0.000 ... 1.000 V
Ch2 : 2.000 ... 10.000 V