C-Link Protocol Commands
I/O Configuration
Thermo Electron Corporation
Model 42
i
Low Source Instruction Manual
B-41
dig in
This command reports the status of the digital inputs as a 4-digit
hexadecimal string with the most significant bit (MSB) being input 16.
Send:
dig in
Receive:
dig in 0xff7f
din
channel
This command reports the action assigned to input
channel
and the
corresponding active state. The example below reports the input 5 to be
assigned an index number 9 corresponding to action of “analog outputs to
zero” with the active state being high.
Send:
din 5
Receive:
din 5 9 AOUTS TO ZERO high
set din
channel index state
This command assigns digital input
channel
(1-16) to activate the action
indicated by
index
(1-35), when the input transitions to the designated
state
(high or low). Use “list din var” command to obtain the list of supported
index
values and corresponding actions.
Send:
set din 1 3 high
Receive:
set din 1 3 high ok
dout
channel
This command reports the index number and output variable and the active
state assigned to output
channel.
The example below reports the input 4 to
be assigned an index number 11 corresponding to “general alarm” with the
active state being open.
Send:
dout 4
Receive:
dout 4 11 GEN ALARM open
set dout
channel index state
This command assigns digital output
channel
to be assigned to the action
associated with
index
, and assigns it an active state of
state
(open or closed).
Send:
set dout 4 11 open
Receive:
set dout 4 11 open ok
Summary of Contents for 42i
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Page 14: ...Tables xiv Model 42i Low Source Instruction Manual Thermo Electron Corporation ...
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