Program Interface Library AR_SET_CONFIG
CEI-100/CEI-200/CEI-x20 User’s Manual 135
If the requested CEI-x20 item is ARU_RX_CHnn_SDI_VALUE
where nn is the receiver channel (01 - 32), the valid values are the
value of the SDI filter (0-3).
If the requested CEI-x20 item is ARU_TX_CHnn_SHUT_OFF where
nn is the transmitter channel (01 - 32), the valid values are:
AR_ON Transmitter has been shut off.
AR_OFF Transmitter is configured for normal
transmission.
If the requested CEI-x20 item is ARU_DISCRETE_OUTPUTS, this
function accepts a new value for the 4/8/16 discrete outputs, as the
lower 4/8/16 bits of the value. These discretes are active high sense.
They are discussed in chapter 2, “Installation”.
If the requested CEI-x20 item is ARU_TX_CHnn_HB_INJ where nn
is the transmitter channel (01 - 32), the valid values are:
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), the valid values are:
AR_ON Transmit one too few data bits is enabled.
AR_OFF Transmit one too few data bits disabled
(default).
If the requested CEI-x20 item is ARU_TX_CHnn_GAP_INJ where nn
is the transmitter channel (01 - 32), the valid values are:
AR_ON Transmit short gap is enabled.
AR_OFF Transmit short gap disabled (default).
If the requested CEI-x20 item is ARU_RX_CHnn_AWAIT_DATA
where nn is the receiver channel (01 - 32), the valid values are:
AR_ON Enable receiver ‘await data’ mode (if
supported).
AR_OFF Disable receiver ‘await data’ mode (default).
CEI-x20 Parametric Values
The following items are supported by the CEI-220/520/520A/620/820
only, and ONLY if the PARAMETRIC option was purchased. If these
parameters are used with a CEI-100/200/420 board, they return an error
and perform no operation.
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:
Vdac = 5.0 Volts * n / 256
Receiver threshold values are calculated using the following formulas:
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