Program Interface Library AR_GET_CONFIG
CEI-100/CEI-200/CEI-x20 User’s Manual 81
AR_OFF Transmitter is configured for normal
transmission
If the requested CEI-x20 item is ARU_DISCRETE_INPUTS, this
function returns the current state of the 4/8/16 discrete inputs, as the
lower 4/8/16 bits of the value. These discretes are active high sense.
If the requested CEI-x20 item is ARU_DISCRETE_OUTPUTS, this
function returns the current state of the 4/8/16 discrete outputs, as the
lower 4/8/16 bits of the value. The discrete output values are set using
the AR_SET_CONFIG routine.
If the requested CEI-x20 item is ARU_TX_CHnn_HB_INJ, where nn
is the transmitter channel (01 - 32), this function returns:
AR_ON Extra transmit data bit is enabled
AR_OFF Extra transmit data bit is disabled (normal
operation)
If the requested CEI-x20 item is ARU_TX_CHnn_LB_INJ, where nn
is the transmitter channel (01 - 32), this function returns:
AR_ON Transmit one too few data bits is enabled
AR_OFF Transmit one too few data bits disabled
(normal operation)
If the requested CEI-x20 item is ARU_TX_CHnn_GAP_INJ, where
nn is the transmitter channel (01 – 32), this function returns:
AR_ON Transmit short gap is enabled
AR_OFF Transmit short gap disabled (normal
operation)
If the requested CEI-x20 item is ARU_RX_CHnn_WAIT_PENDING,
where nn is the receiver channel (01 – 32), this function returns:
AR_TRUE There is currently a pending ‘await data’
mode wait operation on this receiver
AR_FALSE There is currently no pending ‘await data’
mode wait operation on this receiver
If the requested CEI-x20 item is ARU_RX_CHnn_AWAIT_DATA,
where nn is the receiver channel (01 – 32), this function returns:
AR_ON Receiver ‘await data’ mode is enabled on this
receiver
AR_OFF Receiver ‘await data’ mode is not enabled on
this receiver (default)
The remaining parameters are supported by the CEI-x20 only, and only if
the PARAMETRIC option was purchased. If these parameters are used
with a CEI-100/200 board, they return an error and perform no operation.
If used with a CEI-x20 that doesn’t support the function, no operation is
performed.
If the requested CEI-220/520/520A/620/820 item requests a DAC
value, this function returns the raw DAC setting. This setting is
converted to a voltage via the following equation:
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