Specifications

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16
ACS 16.2 Installation and Operation Manual
OPERATION
Serial Burst Mode Commands
Burst mode allows a computer or ASCII terminal to control and interrogate
the unit. This section defines all burst mode commands. Each burst mode commands
starts with an asterisk (*). Next is a single decimal digit that corresponds to the unit
(ID) address 0-3. Following the asterisk and the unit ID number are one or more
ASCII characters specifying the command. No carriage-return or line-feed is required
to terminate the command except for those few commands of variable length and 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 ID, and then the specific response
string. If acknowledgements are enabled, successful commands are responded to with
“RRR” while invalid command get an “EEE” response. The syntax of each com-
mand is given below. The syntax shows the command exactly as it should be sent,
except that lower case characters represent values that should be substituted:
Glossary of Command Notation
Character String Meaning Allowable Values
u Unit ID 0-3
ii Input Number 01-16
o Output Number 1-2
r Output Relay 1-8
o Open Collector 01-16
Set-up Commands
*uMM - Open up Menu
*uCEx - Enable Error and Good Responses - Where x = Y to enable and N = disable.
In this mode, when a command is sent that is in error, the unit will reply (possibly
before receiving the entire command) with “EEE.” If the command is sent correctly,
the unit will reply with “RRR.”
*uCDEF - Set factory defaults
*uCIIttt - Set “PIP” Programmable Pulse Stretcher Input Duration = ttt: 000 –> 255
hundredths of seconds (255 = 2.55 Seconds)
*uCLx - Lock Front Panel if x is “L”. Unlock Front Panel if x is “U”
*uCPR - Power up audio state: Restore audio from power up state.
*uCPS - Power up audio state: Save power up state.
*uCRtt - Set relay momentary pulse length – tt: 00-99 for 00 –> 9.9 Seconds
*uCSAtttt - Set silence sensor time delay to tttt seconds (0002 – 9999), 0000 = OFF
*uCSBtttt - Set silence sensor restore delay to tttt seconds (0002 – 9999), 0000 = OFF