Kramer Electronics fc-42 user manual Communication Protocol, Instruction Byte

8 Communication Protocol

The FC-42is compatible with the protocol (ver 1.2) described below. For RS-232, a null-modem connection between the FC-42and controller is used. The default data rate is 9600 baud, with no parity, 8 data bits and 1 stop bit. All the values shown are hexadecimal.

	Instruction		Byte 1		Byte 2		Byte 3		Byte 4		Notes:
RESET		00		80		80		98+Machine
								Addr
REPLY TO		40		80		80		98+Machine
RESET								Addr
READ LOCAL		20		80+Parameter		80		B8+Machine
PARAMETER				Number				Addr
REPLY TO READ		60		80+Parameter		80+Parameter		B8+Machine
LOCAL				Number		Data		Addr
PARAMETER
WRITE LOCAL		21		80+Parameter		80+Parameter		B8+Machine
PARAMETER				Number		Data		Addr
REPLY TO		61		80+Parameter		80+Parameter		B8+Machine		1
WRITE LOCAL				Number		Data		Addr
PARAMETER
READ GLOBAL		20		80+Parameter		80		98+Machine
PARAMETER				Number				Addr
REPLY TO READ		60		80+Parameter		80+Parameter		98+Machine
GLOBAL				Number		Data		Addr
PARAMETER
WRITE GLOBAL		21		80+Parameter		80+Parameter		98+Machine
PARAMETER				Number		Data		Addr
REPLY TO		61		80+Parameter		80+Parameter		98+Machine		1
WRITE GLOBAL				Number		Data		Addr
PARAMETER
SAVE		23		80 + Initial		80+Destination		98+Machine		2
				Setup		Setup Number		Addr
				Number
IDENTIFY		3D		81		80		98+Machine		3
MACHINE								Addr
IDENTIFY		3D		83		80		98+Machine		4
FIRMWARE								Addr
VERS.

14 FC-42 - Communication Protocol