Toshiba S20LP instruction manual LED indication, SN325, T2N

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6 F 3 B 0 3 5 6

5.3LED indication

(1)SN325

The S20LP-station is equipped with STN, ONL and SCAN LEDs, which indicate the station modes.

STN	ONL	SCAN	Station mode	Remarks

Lit	Lit	Lit	Online	Scan / Message transmission is enabled

		Not lit	Online	Scan transmission is disabled Message
				transmission is enabled

Lit	Not lit	Not lit	Offline	Scan / Message transmission is disabled

Lit	Blink	Not lit	Standby	Transmission parameter is not written in
				EEPROM.
				Transmission information is standby start up.
				Connection machines is abnormal.
				T3H is not RUN mode.

Not lit	Blink	Blink	Down	Station number is illegal

	(simultaneously)

	Blink	Not lit	Down	Jabber timeout

	Not lit	Not lit	Down	Receive buffer is overflow.
				Target cycle time is shortage.

	Blink	Blink	Down	Watch dog timer error

	(alternately)

(2)T2N

The S20LP-station is equipped with RUN and SONL LEDs, which indicate the station modes.

SRUN	SONL	Station mode	Remarks

Lit	Lit	Online	Scan / Message transmission is enabled

Lit	Not lit	Offline	Scan / Message transmission is disabled

Lit	Blink	Standby	Transmission parameter is not written in EEPROM.
			Transmission information is standby start up.
			Connection machines is abnormal.
			T2N is not RUN mode.

Not lit	Blink	Down	Station number is illegal.
			Jabber timeout.
			Watch dog timer error.

Not lit	Not lit	Down	Receive buffer is overflow.
			Target cycle time is shortage.

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Contents T2N/T3H stations Important Information Preface Contents Introduction to S20LP System configurationT2N include of S20LP Port Station hardware∙ Overview SN325 SN325For SN325 ∙ Status LEDsS20LP port for T2N PU245N ∙ Loader port ∙ Station number setting switches∙ Transmission cable connectors ∙ Reset switch only SN325Menu LS overview⎯ 10 ⎯ S20LP-station specifications SpecificationsS20LP system specifications Scan transmission overview Allocation and network assignment by T-PDS Setting the data send block by S-LSSettings on T-PDS Setting for data linkageStation number setting Link PDS screen example Block Send Receive ⎯ 18 ⎯ Global ⎯ 20 ⎯ Settings on S-LS ⎯ 22 ⎯ ⎯ 23 ⎯ ⎯ 24 ⎯ ∙ Message Transmission ∙ Scan Access∙ Start with Standby mode ∙ Scan Transmission∙ Target Scan Time Data linkage example ∙ Settings on T-PDS Setting on S-LS LS setting screen 2 for STN #2 Cable connections ∙ Transmission cable breakage RAS functionBehavior in trouble ∙ Station downDuring operation Self-diagnostic functionAt initialization at power on T2N LED indicationSN325 RAS information monitored in T2N/T3H Online map Station statusLoop map Only T2N Standby mapNumber 1-64 on the screen shows the Station number RAS information monitored on S-LSSelf Station Station No.01 Offline Select the Station Number Click the Status Display Station down information Possible error message are as followsFunction Instruction SpecificationExpanded data transfer instruction Instruction formatTransfer parameter table Parameter and construction∙ Operation Sample programRemarks PC link protocol Message transmissionMessage transmission Computer link protocol∙ Send CMD Transfer parameters aStatus B TermSTS Status Meaning Detailed Information Send completion status Transfer parameters PC link protocol transmission Data writeRID Important items Status See 7.3 5 for details on bits C, D, E, and FXW/YW PC link protocol transmission Data read ⎯ 57 ⎯ SW067 Write enabled Remarks PC link protocol transmission programLength END Scan cycle Appendix⎯ 63 ⎯ PDS remote programming PDS Setup options screen