Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL DA-291B RFL Electronics Inc.
April 13, 2010 20 (973) 334-3100
“P” CODES
“P” codes, when used in the parameter field of an SCL “SET” command, allow the user to set
parameters on the DA-291B by remote control, just like setting the DIP switches on a module under
local control. The ten “P” codes for the DA-291B are “P1” thru “P10”. Each is displayed as a decimal
number from 0 to 255, also represented as an eight-digit binary number (in parentheses). The binary
representation is more useful for setting and interpreting the “P” codes, since each binary digit (0 or 1)
corresponds to the on or off setting for a particular switch on the module. Table 12 describes the
meanings of the “P” codes. “P” codes also appear in the response to a CONFIG? query, showing the
current parameter settings on the card. A typical DA-291B response to a CONFIG? query looks like
this:
*OK
CHANNEL CARD 1, TYPE 245
UNDER REMOTE CONTROL
SRVC = ON
P01 = 33 (B00100001)
P02 = 34 (B00100010)
P03 = 35 (B00100011)
P04 = 36 (B00100100)
P05 = 161(B10100001)
P06 = 161(B10100001)
P07 = 161(B10100001)
P08 = 161(B10100001)
P09 = 240(B11110000)
P10 = 0(B00000000);
IMPORTANT: When using binary numbers in the parameter field of a SET command, they must be
preceded by the letter "B", as follows:
<MULTIPLEXER ADDRESS>:<CARD ADDRESS>:SET:P02 = B00000011;
In addition to the P codes, it is also possible to turn service on or off for the card by sending SRVC =
ON or SRVC = OFF in the ISCL parameter field with a SET command.
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