Graco ProMix PD2K Operation page 57

Read Alarm Alarm Info Info
Read Read Alarm Info
The Read Alarm Info command allows remote access to any of the last 200 alarms logged by the ProMix PD2K. The
chronological index
argument is the
The date is returned as a four-byte packet with each byte holding a two-digit value for (from MSB to LSB) year, month,
day, and day of the week (Monday = 01).
The time is returned as a three-byte packet with each byte holding a two-digit value. Starting from the MSB, the first
byte can be ignored, then hour, minute, and second.
The alarm code is a four-character little endian ASCII string
See System Errors, page
An example decoding algorithm is provided below.
Example: Read back the second most recent alarm, which was a Position Pump 1 (DK01) recorded on Tuesday
June 3, 2014 at 8:11 AM.
DCS DCS DCS Register Register Register Parameter Parameter Description Parameter
DCS Read Alarm Info
Command
Argument 0 Alarm Index
Acknowledge Command Acknowledged
Return 0 Alarm Date
Return 1 Alarm Time
Return 2 Alarm Code Char[3:0]
Example Example ASCII Example ASCII Character ASCII Character String Character
character_str[0] = Return_2 & 0xFF;
character_str[1] = (Return_2 >> 8) & 0xFF;
character_str[2] = (Return_2 >> 16) & 0xFF;
character_str[3] = (Return_2 >> 24) & 0xFF;
character_str[4] = '\0';
3A4486D
of the alarm log, where 0 is the most recent alarm and 199 is the 200
99, for more details on these Event Types.
Description Description Data Data Data
Type Type Type
uint32
uint32
uint32
uint32
uint32
uint32
String Decode String Decode Decode Algorithm: Algorithm: Algorithm:
Operation Using a Programmable Logic Controller (PLC)
Units Units Units
NONE
NONE
NONE
[YY:MM:DD:DW]
[xx:HH:MM:SS]
NONE
Value Value Value
15
1
2 = ACK
0x0E060302 =
[14:06:03:02]
0x080B0B =
[08:11:11]
0x31304B44 = ['1',
'0', 'K', 'D']
th most recent.
Range Range Range
0 - 16
0 - 199
0 - 4
N/A
N/A
N/A
57