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7
SRC-32 Installation and Operation Manual
INSTALLATION
Output Control Commands:
*uORrrL-
Latch Output rr, (output number 01-32). 01–08 are relays,
09–32 open collectors
*uORrrF-
Unlatch Output rr, (output number 01-32). 01–08 are relays,
09–32 open collectors
*uORrrPtt-
Pulse Output rr, (output number 01-32). Pulse Length tt: 00-
99 corresponds to 00 - 9.9 Seconds. 01–08 are relays, 09–32
open collectors
ASCII Information Retrieval Commands:
*POLL -
Respond with unit (ID) address in appropriate time slot. If
there are multiple units on the line, each will respond with a
different delay after receipt of this command.
*uSPii -
Send status of input ii. Response is SuP,ii,x where x is 1 if the
corresponding input is high, 0 otherwise.
*uSPA -
Send status of all inputs. Response is
SuP,A,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x
--> 31<CR><LF > where input 1 is first and input 32 is last.
x is 1 if the corresponding input is high, 0 otherwise.
*uSR -
Send status of all OUTPUTS. Response is:
SuA,x,x,x,x,x,x,x,x--->32<CR><LF>
*uU -
Send Unit Information :<name(SRC-32)><version><cr><lf>
*SA -
Send current AT command string for modem.
*ST -
Send current telephone number for modem to dial.
SRC-32 Binary Serial Burst Commands:
Dip switch 5 must be on for binary commands to be processed. All commands start
with a 2Ah (ASCII *). The first byte contains the board ID and the byte count
iiibbbbb Byte count is number of bytes after the byte containing the byte count
including checksum. The second byte contains an 8-bit command. Some commands
are followed by data bytes. Checksum is the LSByte of the sum of all bytes pre-
ceding checksum including start. Binary commands must be received as a packet.
If 50 ms or more passes after a character is received with no new character follow-
ing, the SRC-32 will begin looking for a new string if no valid data packet has been
received.
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