Description | STATUS REQUEST |
Type | Command |
Source | master |
Header | 129 |
Data Block | No |
This packet instructs the Controller to reply with information as to the status of the Controller
Description | STATUS REQUEST |
Type | Reply |
Source | Controller |
Header | 129 |
Data Block | 123 bytes |
The data bytes of the Status Request Reply are as follows (in the order in which they ap- pear in the data blocks).
1 byte: Running status:
0 = idle
1 = running steady state
2 = N/A
3 = running a program
4 = counting down to program start
starts byte No 001 ends byte No 001
1 byte: Controller Data Entry Activity. Value when the Controller is displaying any of the following data entry screens:
Steady State
"1", 2 SP (Format 500 only)
"2", Program Run (Format 550 only)
"3", Countdown to Program Start (Format 550 only) "4", Program Edit (Format 550 only)
"5", Engineering (Format 550 only)
"6". Byte set to "0" for all other screens. When this byte is not set to "0", the Sel/Change Steady State Condition Command Packet (see below) is not operational (Controller has priority over master).
starts byte No 002 ends byte No 002
1 byte: Logging Status |
|
|
0 = inactive |
|
|
1 = active | starts byte No 003 | |
| ends | byte No 003 |
1 byte: Temperature Alarm Status |
|
|
0 = in limit |
|
|
1 = in alarm | starts | byte No 004 |
| ends | byte No 004 |
1 byte: Humidity Alarm Status |
|
|
0 = in limit |
|
|
1 = in alarm | starts | byte No 005 |
| ends | byte No 005 |
6 bytes: Temperature in degC, eg | starts byte No 006 | |
| ends | byte No 011 |
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