Yamaha SRCP manual Other, Tpb

13-3 Troubleshooting for Specific Symptom

13-3-3 Other

No.	Symptom	Possible Cause		Items to Check	Action
1	An error	1)	A dedicated I/O	• Check the signal input (by using a PLC	• Always turn off dedicated command
	occurs when		command input is	monitor, etc.).	input signals when connecting the TPB
	the TPB is		on.		to the controller.
	connected. The
		2)	The TPB cable is	• Check the cable wiring.	• Replace the TPB if defective.
	TPB cannot be		broken.	• Try connecting another TPB if
	used.
				available.
2	Programs can	1)	DPB is used as the		• Use TPB (Ver. 12.50 or later).
	be input only		TPB.
	up to NO. 31,
		2)	TPB version is	• Check that the TPB version is 12.50 or	• Replace the ROM to upgrade the
	or point data
			old.	later.	version.
	can be
	specified only	3)	Communication	• Check whether the wrong cable	• Use the specified communication cable.
	up to P254, or
			cable
				(POPCOM cable, etc.) is being used.	(POPCOM cable is different from the
	DIO monitor
			specifications are
					communication cable.) As an
	display format
			wrong.
					alternative, transmit
	is incorrect.
					"@DPBVER 250" in advance.
		4)	POPCOM/WIN	• Check that POPCOM/WIN version is	• Upgrade the POPCOM/WIN version.
			version is obsolete.	1.10.0 or later.
		5)	POPCOM/DOS		• Use POPCOM/WIN.
			is used.

13

TROUBLESHOOTING

13-10