Specifications

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8
SS 16.2 Installation and Operation Manual
INSTALLATION
INSTALLATION Continued
Modular connectors point of view.
Serial Burst Mode Commands
The unit is controlled via the Burst mode. The baud rates are selected on page 6.
The 16 x 2 may be serially controlled via the multi-drop RS-232 port. Commands
may be entered with a short form code (burst mode). All commands and responses
use normal ASCII characters, facilitating scripting. A burst mode command starts
with an asterisk (“*”) followed by the device (ID) address as a single decimal digit.
The device (ID) address (0-3) is specified on the on-board DIP switches. A burst
mode command must be entered within 5 seconds, or it will time out. No carriage-
return or line-feed is required to terminate the command except for those few com-
mands of variable length, if the maximum length is not sent. If the command
requests a response, the response will consist of an upper case “S”, followed by the
unit address, and then the specific response. If acknowledgements are enabled, suc-
cessful commands are responded to with “RRR”, while errors get an “EEE”
response. The syntax of each command is given below. The syntax shows the com-
mand exactly as it should be sent, except that lower case characters represent val
-
ues that should be substituted.
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Glossary Of Command Notation
Character String Meaning Allowable Values
U Unit ID 0-7
Ii Input Number 01-16
O Output Number 1–2–A(ALL)
Rr Open Collectors 01-16