Pdataout Command; Operation In Single-Wire Mode - Racal Instruments 1260-37 Manual

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1260-37 User Manual
PDATAOUT
Command
Operation In
Single-Wire Mode
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Test and Services, Inc. © 1994
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The response to the PSETUP command consists of a header on
the first line. The header describes the model number, followed by
a four-wire or two-wire to indicate the module setup. The next line
designates the setup mode for scanning which, by default, is
Break-Before-Make (BBM).
characters denotes that there is no more information to report
The PDATAOUT command causes the specified module to
transmit the state of the relays CLOSED within the switch module
to the 1260 Controller. The syntax used is:
PDATAOUT <module address> [ <module address>]
[;<module address>]
The responses to the PDATAOUT command is as follows:
1260-37:
Two-wire
<module address>.1260-37 Two-wire Scanner/Multiplexer /
SPDT Module
<module address> .<channel>[,<channel>] [,<channe I>]
<module address>.END
1260-37
Four-wire
<module address>.1260-37, Four-wire Scanner/Multiplexer /
SPDT Module
<module address>.<channel>[,<channel>] [,<channel>]
<module address>.END
The response to the PDATAOUT command consists of a header
on the first line as with the PSETUP response. The next line details
the channels currently closed on the module, and is blank when no
channels are closed. Again, the last line is denoted by the "END"
string of characters.
The 1260-37 is delivered with all jumpers installed (refer to Table
2-1). In this configuration, the module is a 1 x 48 two-wire
multiplexer (refer to Figure 3-1).
Channel 48 is a single pole, double throw (SPDT) relay with its
common channel connected to J202, pin B2. The normally closed
(NC) contact is connected to the "LO" side of the two-wire common
bus, and the normally open (NO) contact is connected to the "HI"
side of the common bus.
The last line containing the "END"
Module Specific Syntax 3-3

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