Toshiba Specifications, S20LP system specifications, S20LP-station specifications

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1.4 Specifications

S20LP system specifications

Transmission cable	Silica glass SI 200/230μm
	H-PCF (Hard-Plastic Clad Fiber)

Cable connection	F07 connector
(cable side connector)	(JIS C5976)

Transmission distance	Max. 1 km (between stations)
	Max. 4 km (between stations ; connecting SBR22)
	Max. 30 km (system total)

Topology	Loop

Number of stations	Max. 64 stations

Transmission speed	2 Mbps

Transmission code	Differential Manchester

Modulation method	Baseband

Communication service	(1) Scan transmission (cyclic broadcast)
	(2) Message transmission (on request)

S20LP-station specifications

		S20LP port for T2N	S20LP-station for T3H

Station type		PU245N...Optical fiber	SN325...Optical fiber

Max. number on		1 station	2 stations (Note 1)
T2N/T3H		(Include of S20LP port)
		(Include of S20LP port)

Scan	transmission	4096 words
capacity		(Link register W (2048 words) in T2N/T3H is assigned)
		(Link register W (2048 words) in T2N/T3H is assigned)

Message	transmission	S-LS (primary / secondary)
support		T-PDS (primary / secondary)
		T-PDS (primary / secondary)
		T-series Computer Link Protocol (secondaty)

RAS information		Station status, Online / Standby map (S20LP port / SN325)

Consumed current		S20LP port ... 1.5 [A] or less	SN325 ... 800 [mA] or less
(internal 5Vdc)

(Note 1) A T3H which has two S20LP-stations can work as a bridge station for two S20LP layers.

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Contents T2N/T3H stations Important Information Preface Contents System configuration Introduction to S20LPStation hardware ∙ OverviewT2N include of S20LP Port SN325 SN325∙ Status LEDs S20LP port for T2N PU245NFor SN325 ∙ Station number setting switches ∙ Transmission cable connectors∙ Reset switch only SN325 ∙ Loader portLS overview Menu⎯ 10 ⎯ Specifications S20LP system specificationsS20LP-station specifications Scan transmission overview Setting the data send block by S-LS Allocation and network assignment by T-PDSSetting for data linkage Station number settingSettings on T-PDS 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 breakageSelf-diagnostic function At initialization at power onDuring operation LED indication SN325T2N 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