User Manual

Point Six, Inc. 2333 Alumni Park Plaza - Lexington, KY - 40517- http://www.pointsix.com - 859-266-3606 - Fax [phone]
3
Packet Description
“CountAnalog” (74/73)
IDSSSSSSSSoooooottttLLCCCCKK<CR>
Note: All fields are in ASCII Hex
“ID”
The device type field: Counter-Analog-Status has device type 73 hex. A
74 hex when in service mode.
“SSSSSSSS”
The MS-30 bits of these 4-bytes are the serial number of the Counter-Analog transmitter. The LS-2
bits are the status flags for the switch input status. The LS bit (bit-0) is the Open status flag and the
next most significant bit (bit-1) is the Closed status flag.
“oooooo”
This 24-bit field is the counter value stored LS-byte first. Count of switch openings.
“tttt”
This field is signed 16 bits stored MSB first (bits 15-8) and LSB last (bits 7-0) from left to right. This
field has a possible range of –32768 to 32767. This is a general purpose field and may contain 8 bit
or 12 bit data.
“LL”
This field is unused and will always read zero.
“CCCC”
This field is the CRC-16 error check as was originally received and checked. This CRC is over the
first 11 bytes of the packet starting with the device type and ending with but not including CRC-16.
“KK”
This field is the mod 256 sum of all the binary data values as represented by the ASCII hex values in
the response but does not include the <CR>.