Remote Programming
99
CTC100 Programmable Temperature Controller
system.other.reset { "Running macros", "Saved macros", "Front panel",
Ports, "Port settings", Channels, Log, All }
Resets some or all user settings. The options have the following effects:
Running macros
: stops all running macros. Has no effect on saved macros.
Saved macros
: deletes all s
but does not
delete macros from USB memory devices. Has no effect on running macros.
Display
: Resets all
System.Display
settings to their factory defaults. Returns the front
panel to the Select menu, de-selects all channels in all groups, and erases locally-stored log
data (data on USB drives is not affected). Returns all plots to autoscaled X and Y with a 1
minute X range and changes the plot location of all channels to 1. If a
*TRG
remote
command was previously received, re-enables automatic A/D conversions. Hides the
monitor channels.
Ports
: Closes all I/O ports and re-opens them. USB and Telnet connections will be lost. The
port settings (baud rate, IP address, etc.) remain unchanged.
Port settings
: Resets all I/O port settings to their factory defaults.
Channels
: Resets the settings on the Channel menu for all channels to their factory defaults.
Also sets the A/D rate to 100 ms.
Log
: Resets the default log rate to 1 second, sets the log rate for each channel to the default
(global) value, and enables automatic logging to USB. If a USB storage device is attached,
erases log files in the root directory and begins logging to USB.
All
: resets all of the above items.
system.other.Volume { off, 1, 2, 3, 4, 5, 6, 7, max }
C hannel setup
Channel 0.0
To change the value of an output channel, send
followed by a floating-point
value. Regardless of t
channel
?
returns the current value of the channel.
This instruction is i
channel.
value
For example,
Out1 = 2.5
sets the value of channel Out 1 to 2.5 W (if Output Enable is on).
Out1?
Queries the value of channel Out1.
Errors: a run-time error occurs if this instruction is used to set the value of an input channel. If
the a channel has an enabled feedback loop, its value cannot be changed but no error message is
produced.
Channel.
Average
If statistics collection is enabled for the indicated channel (
channel.
Stats = on
), this query
returns the average over the most recent n A/D samples, where n is set with
channel.
Points
.
Channel.
Current { Forward, Reverse, AC, off }
(Temperature input channels only)
Selects the direction of the excitation current. In AC mode, the current direction is switched
with each ADC reading and each measurement is the average of the two most recent readings,
thereby eliminating errors caused by thermal EMFs. The excitation current can also be switched
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