Sanyo 550 instruction manual 129, Status Request

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 "-150.0"	starts byte No 006
	ends	byte No 011

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