Omron CPM1A Revised Specifications, Previous specifications New specifications Relevant pages

Revised SpecificationsSection 1-3

1-3	Revised Specifications
		The following table shows the changes that have been made in product specifi-
		cations beginning with lots produced in January 1998 (December 1997 for some
		models).
	Item	Previous specifications	New specifications	Relevant pages
Input indicator operation		The input indicators will	The input indicators will	Item 8., Input Indicators, on
when an error occurs		maintain the current status	change with the status of	page 29.
		and will not change with the	the input signal when a
		status of the input signal	memory error, no END
		when a memory error, no	instruction error, or system
		END instruction error, or	error occurs.
		system error occurs.
Memory holding operation		If the power remains OFF	If the power remains OFF	Pages xiii to xvi under 5
of built-in capacitor		for a period exceeding the	for a period exceeding the	Application Precautions.
		data backup period, the	data backup period,	Page 22 under 2-1-2
		capacitor will not be able to	AR 1314 will turn ON to
				Characteristics.
		back up data and the	indicate that the capacitor
				See also information on the
		status of the data backed	can no longer back up data
		up by the capacitor	and the data backed up by	PC Setup in the
		(Read/write DM area, Error	the capacitor (Read/write	CPM1/CPM1A/CPM2A/CPM2
		log area, HR area, and	DM area, Error log area,	C/SRM1(-V2) Programmable
		Counter area) will become	HR area, and Counter	Controllers Programming
		unstable.	area) will be cleared. The	Manual (W353).
			PC Setup setting in
			DM 6604 can be set to
			create a fatal error and thus
			stop the system when
			AR 1314 goes ON.
Online editing and changing		If unsupported addresses	If unsupported addresses	4-1-2 CPM1A Restrictions and
set values from the SSS		are set in the program for	are set in the program for	Precautions
		operands or for set values	operands or for set values
		for timers or counters from	for timers or counters from
		the SSS during online	the SSS during online
		editing, the values will be	editing, error messages will
		accepted, but a memory	be displayed and the
		error will occur in	values will not be accepted.
		MONITOR or RUN mode.
Communications		Communications are not	Communications are	See information on the PC
parameters for the		possible if unsupported	possible using the following	Setup in the
peripheral port		settings are made for the	parameters if unsupported	CPM1/CPM1A/CPM2A/CPM2
		peripheral port’s	settings are made for the	C/SRM1(-V2) Programmable
		communications	peripheral port’s	Controllers Programming
		parameters.	communications	Manual (W353).
			parameters.
			Mode: Host Link
			Standard format
			1 start bit
			7-bit data
			Even parity
			2 stop bits
			9,600 bps baud
			Transmission delay: None
			Unit number: 0

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