Expanded data transfer instruction, Function | Toshiba S20LP

6 F 3 B 0 3 5 6

6. Expanded data transfer instruction

6.1 Instruction Specification

This section presents an overview of the XFER instructions, which is the instruction that is used to control the S20LP-station from T2N/T3H user programs. S20LP-station transmission control is performed solely using the XFER instructions.

(1)Instruction format

The format of XFER instruction.

Input			Output
	[ A X F E R B →	C ]

(2)Function

When the input is ON, data block transfer is performed between the source which is indirectly designated by A and A+1 and the destination which is indirectly designated by C and C+1. The transfer size (number of words) is designated by B. The transfer size is 1 to 256 words.

Input	Operation	Output	ERF

OFF	No execution	OFF	−

ON	Normal execution	OFF	−

	When error is occurred	ON	SET

(3)Operand

Operand

Con-

Name

Device

Register

INDEX

stant

Index

X

Y

S

L

R

Z

X

Y

S

L

R

W

T

C

D

F

I

O

I

J

K

W

W

W

W

W

W

W

A

Source parameter

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

B

Transfer size

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

C

Destination

ü

ü

ü

ü

ü

ü

ü

ü

ü

ü

parameter

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Image 43

Toshiba S20LP Expanded data transfer instruction, Instruction Specification, Instruction format, Function, Operand

Contents

T2N/T3H stations Important Information Preface Contents Introduction to S20LP System configuration ∙ Overview Station hardwareT2N include of S20LP Port SN325 SN325 S20LP port for T2N PU245N ∙ Status LEDsFor SN325 ∙ Loader port ∙ Station number setting switches∙ Transmission cable connectors ∙ Reset switch only SN325 Menu LS overview ⎯ 10 ⎯ S20LP system specifications SpecificationsS20LP-station specifications Scan transmission overview Allocation and network assignment by T-PDS Setting the data send block by S-LS Station number setting Setting for data linkageSettings on T-PDS 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 down At initialization at power on Self-diagnostic functionDuring operation SN325 LED indicationT2N RAS information monitored in T2N/T3H Online map Station status Loop map Only T2N Standby map Number 1-64 on the screen shows the Station number RAS information monitored on S-LS Self Station Station No.01 Offline Select the Station Number Click the Status Display Station down information Possible error message are as follows Function Instruction SpecificationExpanded data transfer instruction Instruction format Transfer parameter table Parameter and construction ∙ Operation Sample program Remarks PC link protocol Message transmissionMessage transmission Computer link protocol ∙ Send CMD Transfer parameters a Status B TermSTS Status Meaning Detailed Information Send completion status Transfer parameters PC link protocol transmission Data write RID Important items Status See 7.3 5 for details on bits C, D, E, and F XW/YW PC link protocol transmission Data read ⎯ 57 ⎯ SW067 Write enabled Remarks PC link protocol transmission program Length END Scan cycle Appendix ⎯ 63 ⎯ PDS remote programming PDS Setup options screen