Omron CQM1H-SCB41 operation manual Port Bits Default Function Setting

Application Procedure Section 4-2

shown below. Perform other processing as required, such as setting switches on the external device(s).

Serial Communications Board

RS-232C

RS-422A3G2A9-AL001

RS-232C /485

RS-422A /485

NT-AL001-E Terminating resistance ON, 5-V power supply required

Terminating resistance

ON

The CPU Unit can be connected to a Programming Console, the CX-Pro- grammer, or the CX-Protocol as required.

4.Turn ON power.

5.Set the PC Setup settings for the Serial Communications Board.

Use a Programming Console, the CX-Programmer, or the CX-Protocol to set the settings in the PC Setup between DM 6550 and DM 6559.

Note The settings stored in these words are read constantly; the PC does not need to be restarted or reset when changes are made to the set- tings. They will be updated automatically as soon as they are changed.

The following table shows the standard settings.

Port 1	Port 2	Bit(s)	Default	Function
			setting
DM 6555	DM 6550	00 to 03	0 Hex	Standard port settings
				(1 start bit, 7-bit data, even par-
				ity, 2 stop bits, 9,600 bps)
		04 to 07	0 Hex	CTS control disabled
		08 to 11	---	Not used.
		12 to 15	0 Hex	Communications mode
				0: Host Link
DM 6556	DM 6551	00 to 07	---	Baud rate: invalid
		08 to 15	---	Frame format: Invalid
DM 6557	DM 6552	00 to 15	0000 Hex	Transmission delay: 0 ms
DM 6558	DM 6553	00 to 07	00 BCD	Node number 00
		08 to 11	---	Not used.
		12 to 15	---	Not used.

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