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GM47/GM48 INTEGRATOR’S MANUAL
192
LZT 123 7263 R1C
• Write (<op> = 1): Sets an output to a specific value. For digital
sources <val>=‘0’ or ‘1’ and for the analog ones, 0-255. If the signal
is bi-directional (IO1 to IO4) it must be configured as an output
before writing is allowed. If the output can be written to, the signal is
set to <val> and OK is returned, otherwise ERROR is returned.
AT*E2IO=1,“IO1”,1
OK
or
AT*E2IO=1,“DA1”,,100
OK
• Configure (<op> = 2): The configuration operation is used for the
bi-directional signals (IO1 to IO4). They can be configured as input,
<val>= ‘0’ or output, <val>=‘1’. If the signal is not configurable,
ERROR is returned in place of OK. Once set, the signal remains
configured even after a power cycle. Example shown below:
AT*E2IO=2,“IO1”,1 (Set IO1 as an output)
OK
• Configure Check (<op> = 3): This operation reads the current
configuration of the signal. Returned <val> is current signal state. If
the signal is configurable, the current state and OK are returned, if
not ERROR is returned.
AT*E2IO=3,“IO1”
*E2IO: 3,“IO1”,1 (IO1 is currently set as an output)
OK
• Trigger (<op> = 4): Input signals can be set to send an unsolicited
result code whenever a change in one of the inputs has been
produced. Setting a trigger (<val> = ‘1’) will cause the unsolicited
result to be sent when a change from the current signal state occurs
(signal must be unchanging when command is executed). Clearing a
trigger (<val> = ‘0’) will clear a currently set trigger. Configurable
signals (IO1 to IO4) must be set as inputs before they can be
triggered. Triggers are only applicable while the module is ON.
Power-cycling will clear all current triggers. If a signal is triggerable
OK is returned and the trigger is set/cleared, otherwise ERROR is
returned.
AT*E2IO=4,“I5”,1 (Set trigger on I5)
OK
(I5 changes state, sometime later)