Specifications

M1 Control RS-232 ASCII String Protocol Page 8 of 68 Rev. 1.79 July 16, 2009
Rev. 1.16 – 8/24/04 – Added Thermostat Humidity support
Rev. 1.17 – 8/27/04 – Enhanced Arming Status Request, Added Zone Definition data.
Rev. 1.18 – 9/21/04 – Requesting Names, sd command, returns name whose first character is >
“space” or last name in name array.
Rev. 1.19 – 10/15/04 – Added checksum C code routines.
Rev. 1.20 – 10/22/04 – PLC reply, “PS” command, replies with light level value to 48 (0x30)
added to the value.
Rev.1.21 – 10/26/04 – Added ‘*’ key to “4.21 Keypad Function Key Press”, fixed task number to
3 digits in “Task Change Update”.
Rev. 1.22 – 11/15/04 – Added Type of data to the Custom Values response. Implemented factory
use data to Request Valid User Code Areas.
Rev. 1.23 – 12/09/04 – Corrected length of request and reply temperature data, command “st” and
“ST”.
Rev. 1.24 – 12/17/04 – Added command summary
Rev. 1.25 – 1/5/05 – Added email trigger, “EM”, command
Rev. 1.26 – 1/11/05 – Modified “KC” command to add keypad function key LED status.
Rev. 1.27 – 1/12/05 – Corrected length of alarm reporting acknowledge from 04 to 06.
Rev. 1.28 – 1/12/05 – Corrected Alarm report acknowledge command AR to ar, added Alarm Test
AR and at commands, fix Task Change Update length to 0x0A
Rev. 1.29 – 1/17/05 – Added “IE” Installer Program Mode Exited.
Rev. 1.30 – 1/31/05 – Changed “IC” Invalid User Code from 6 digits to 12 digits data for 26 bit
Weigand prox card data. Added Zone Analog Voltage Data Request
command.
Rev. 1.31 – 2/21/05 – Corrected Alarm Reporting packet length in description from 21 to 22 bytes.
Rev. 1.32 – 2/22/05 – Added “kc” command to request keypad F key illumination status. Returns
“KC” command data.
Rev. 1.33 – 3/16/05 – Added Armed Away Mode stepping and Armed Stay Mode stepping. “a7”
& “a8” commands. Added number of user code digits to “UA” command.
Added “XK” and “xk” command for Ethernet Module Test.
Rev. 1.34 – 3/17/05 – Fixed “Reply Thermostat Data (TR)” description. Added automatic
temperature updates on change. Version 4.2.8
Rev. 1.35 – 3/24/05 – Added byte to indicate if code required to bypass in the “KC” command.
Rev. 1.36 – 4/28/05 – Fixed error in length of Custom Value Reply. Version 4.3.1
Rev. 1.37 – 5/2/05 – “SD” command, explain the search for names to be returned. Explained dims,
brights, and preset dim in “pc” command.
Rev. 1.38 – 5/11/05 – “RR” command to request and write real time clock data added to protocol.
Rev. 1.39 – 5/12/05 - Added if in Daylight Savings Time Mode to “RR” command. Added ‘C’
character to “kf” command to control chime.
Rev. 1.40 – 5/20/05 Changed “IC” command so that valid user code number is broadcast.
Rev. 1.41 – 5/23/05 Fixed “pf” documentation’s example code.
Rev. 1.42 – 5/26/05 Added Real Time Clock time data to “XK” command and corrected
response in document.
Rev. 1.43 – 6/2/05 Documented the “RP” command which is sent from XEP upon ELK RP
connection. Added clock and date display mode to the “XK” command.
Added Chime Mode status to “KF” command