Toshiba instruction manual ∙ Status LEDs, S20LP port for T2N PU245N, For SN325

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6 F 3 B 0 3 5 6

∙Status LEDs:

Indicate the status of the S20LP-station.(see Section 5.3)

S20LP port for T2N (PU245N)

SRUN	Lit	Station is normal

	Not lit	Down mode

SONL	Lit	Online mode (Scan transmission is executing)

	Blink	Standby mode (Scan transmission is not executing)

	Not lit	Offline mode (Scan transmission is not executing)

SACC	Lit	T2N is accessing the port

	Not lit	T2N is not accessing the port

For SN325

STN	Lit	Station is normal

	Not lit	Down mode

ONL	Lit	Online mode (Scan transmission is executing)

	Blink	Standby mode (Scan transmission is not executing)

	Not lit	Offline mode (Scan transmission is not executing)

SCAN	Lit	Scan transmission is executing

	Not lit	Scan transmission is not executing

ACC	Lit	T3H is accessing the station

	Not lit	T3H is not accessing the station

LOOP	Lit	LOOP is normal (Cut off mode for main terminal station)

	Not lit	LOOP is abnormal

TX1	Lit	TRM1/RCV2 is normal

	Not lit	TRM1/RCV2 is abnormal

TX2	Lit	TRM2/RCV1 is normal (Note 1)

	Not lit	TRM2/RCV1 is abnormal (Note 1)

(Note 1) When the SN325 operates a terminal station, this LED is normally not lit.

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Contents T2N/T3H stations Important Information Preface Contents System configuration Introduction to S20LPT2N include of S20LP Port Station hardware∙ Overview SN325 SN325For SN325 ∙ Status LEDsS20LP port for T2N PU245N ∙ Station number setting switches ∙ Transmission cable connectors∙ Reset switch only SN325 ∙ Loader portLS overview Menu⎯ 10 ⎯ S20LP-station specifications SpecificationsS20LP system specifications Scan transmission overview Setting the data send block by S-LS Allocation and network assignment by T-PDSSettings 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 ⎯ ∙ Scan Access ∙ Start with Standby mode∙ Scan Transmission ∙ Message Transmission∙ Target Scan Time Data linkage example ∙ Settings on T-PDS Setting on S-LS LS setting screen 2 for STN #2 Cable connections RAS function Behavior in trouble∙ Station down ∙ Transmission cable breakageDuring operation Self-diagnostic functionAt initialization at power on T2N LED indicationSN325 RAS information monitored in T2N/T3H Station status Online mapStandby map Loop map Only T2NRAS information monitored on S-LS Number 1-64 on the screen shows the Station numberSelf Station Station No.01 Offline Select the Station Number Click the Status Display Possible error message are as follows Station down informationInstruction Specification Expanded data transfer instructionInstruction format FunctionParameter and construction Transfer parameter tableSample program ∙ OperationRemarks Message transmission Message transmissionComputer link protocol PC link protocol∙ Send Transfer parameters a CMDStatus B TermSTS Status Meaning Detailed Information Send completion status PC link protocol transmission Data write Transfer parametersRID Status See 7.3 5 for details on bits C, D, E, and F Important itemsXW/YW PC link protocol transmission Data read ⎯ 57 ⎯ SW067 Write enabled PC link protocol transmission program RemarksLength END Appendix Scan cycle⎯ 63 ⎯ PDS remote programming PDS Setup options screen