YOKOGAWA DpharpEJX vigilantplant EJX Series - A1.2 Input Section; A1.2.1 Determining the Mode; A1.2.2 Judging BLOCK_ERR

IM 01C25T02-01E
A-3
Appendix 1. Signal Characterizer (SC) Block
A1.2 Input Section
The input section determines the mode and judges BLOCK_ERR.
A1.2.1 Determining the Mode
The following describes operations of the Signal Characterizer block.
O/S
(Out of Service)
• System-stopped status
• Configuration change
Supported Mode Rules
Man
• If you do not want to output the value and the status from IN, you can manually
transmit the value to OUT.
Auto • Automatic system operation status
TA 0102.EPS
A1.2.2 Judging BLOCK_ERR
BLOCK_ERR indicates the cause of an error in the function block. If the cause of an error indicated by
BLOCK_ERR occurs, the following configuration error is generated.
Block Configuration Error
1) "INFINITY" has been configured for CURVE_X and CURVE_Y.
2) "+INFINITY" has been configured for X1 of CURVE_X.
3) "+INFINITY" has been configured for Y1 of CURVE_Y.
4) A value of the array of CURVE_X does not increase in a monotone manner.
5) A configuration error when SWAP_2 is on
• A value of the array of CURVE_Y does not increase or decrease in a
monotone manner.
6) The value of SWAP_2 is any value other than 1 or 2.
Name Description
TA 0103.EPS
The mode changes to O/S if a block configuration error occurs.