Omega A2400 manual Open Channel OC Extended, Command 01OC Response Response *01OCED, Read Data RD

	Command Set 4-10
Open Channel (OC)	(Extended)

The Open Channel (CC) command is used to open the communications data channel in Extended Address mode. The open channel will allow serial communications data to flow from the A2400’s RS-232 port to a string of RS- 485 devices. The open communications channel will remain open until a Close Channel (CC) command or Remote Reset (RR) command is received by the device.

Command: {01OC

Response: *

Command: }01OC

Response: *01OCED

Any time there is an open channel on the communications line and the host transmits either a valid long form or short form prompt the open channel will close.

Read Data (RD)

The Read Data (RD) command is used to read analog data from analog input products. The RD command is included in the A2400 to maintain capability with other D series products. Since the A2400 does not acquire analog data, this command will always result in a fixed response:

Command: $1RD

Response: *+99999.99

Command: #1RD

Response: *1RD+99999.99D9

Read Extended Address (REA)

The Read Extended Address is used to read back two character address stored by the Extended Address (EA) command. The response message is four characters representing the hex ASCII codes for the two-character address :

Command: $1REA

Response: *3031

Command: #1REA

Response: *1REA3031FA