Program Interface Library AR_GET_CONFIG
CEI-100/CEI-200/CEI-x20 User’s Manual 82
Vdac = 5.0 Volts * n / 256;
See AR_SET_CONFIG for discussion of CEI-220/520/520A/620/820
DAC settings and formulas.
The following items reference the CEI-220 DAC values:
ARU_RX1_4_THRESH_VALUE: Receiver 1-4 threshold.
ARU_RX5_8_THRESH_VALUE: Receiver 5-8 threshold.
ARU_RX9_10_THRESH_VALUE: Receiver 9-10 threshold.
ARU_RX11_12_THRESH_VALUE: Receiver 11-12 threshold.
ARU_INPUT_THRESH_VALUE: Discrete input threshold (
20 * Vdac). Default is 1.56
Volts. Note that this
particular value may be set
on ANY CEI-220 board,
even if the PARAMETRIC
option was not purchased.
ARU_TRANSMIT_VOLT_VALUE: Transmitter output voltage
Level: 10 * Vdac.
Default: 9.96 Volts.
The following items reference CEI-520/520A/620/820 DAC values:
ARU_DAC_VALUE_01 –
ARU_DAC_VALUE_16
See appendix C, “Parametric Voltage Programming“, to determine the
DAC register definitions for your board.
The following items allow you to enable/disable variable transmitter
voltage levels on the CEI-520/520A/620 on a per-channel basis:
ARU_OUTPUT_LEVEL_ADJ_01 –
ARU_OUTPUT_LEVEL_ADJ_32
If the requested CEI-220/520/520A/620/820/820TX item is
ARU_PARAMETERIC_SUPPORT, this function returns:
AR_ON Variable parametrics supported
AR_OFF Variable parametrics not supported
board (input) specifies the board of interest
item (input) specifies the control function about which to
return information. See “CEI-100/200 Items” and
“CEI-x20 Items” for details.
CEI-100/200 Items
ARU_X1_RATE transmit rate for transmitter 1.
ARU_X2_RATE transmit rate for transmitter 2.
ARU_X3_RATE transmit rate for transmitter 3.
ARU_X4_RATE transmit rate for transmitter 4.
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