Default System Tags

Note: Please do not attempt to modify read only system tags in the ladder. This could affect the functionality of the product.

System Registers / Coils:

Register / Coil

Tag Name

Read / Write

Description

 

 

 

 

 

SW0003_14

COM1 Status

Read Only

0 = Communication Error; 1= Communicating

 

 

 

with PLC

 

SW0003_15

COM2 Status

Read Only

0 = Communication Error; 1= Communicating

 

 

 

with PLC

 

S0000

Carry Bit

Read/Write

Overflow indication in math operations of ladder

 

 

 

and also used in rotate with carry instruction.

SW0010

RTC Day of Month

Read only

RTC day in integer format

SW0011

RTC Month

Read only

RTC month in integer format

SW0012

RTC Year

Read only

RTC year in integer format

SW0013

RTC Hour

Read only

RTC hour in integer format

SW0014

RTC Min

Read only

RTC minute in integer format

SW0015

RTC Sec

Read only

RTC sec in integer format

SW0016

RTC Day of Week

Read only

RTC day of week in integer format

SW0017

Scan time register

Read only

Value is in multiple of 0.1 mSec. This includes

 

 

 

execution time for reading inputs, executing

 

 

 

tasks, executing ladder, update outputs, etc.

 

 

 

(Refer flow chart)

 

S0019

Invalid RTC date entry

Read only

0=valid date

1= Invalid date

SW0018

COM1 failed node reconnect

Read/write

Shows time in sec recover the communication

 

time (Sec)

 

with failed nodes for port1.the default value is

 

 

 

60Sec

 

SW0019

COM2 failed node reconnect

Read/write

Shows time in sec recover the communication

 

time (Sec)

 

with failed nodes for port1.the default value is

 

 

 

60Sec

 

SW022

COM3 failed node reconnect

Read/write

Shows time in sec recover the communication

 

time (Sec)

 

with failed nodes for port3.the default value is

 

 

 

60Sec

 

S0021

COM1 failed node reconnect

Read/write

If this bit is set communication with the failed

 

control

 

nodes is detected after scan time SW0018 for

 

 

 

port1.By default : ON

S0022

COM2 failed node reconnect

Read/write

If this bit is set communication with the failed

 

control

 

nodes is detected after scan time SW0019 for

 

 

 

port2.By default : ON

S0023

COM3 failed node reconnect

Read/write

If this bit is set communication with the failed

 

control

 

nodes is detected after scan time SW0022 for

 

 

 

port3.By default : ON

SW64-SW65

Node Status Registers for

Read only

Shows the status of the node, whether node is

 

COM1

 

present or not. Total 2 word Register are mapped

 

 

 

for 32 nodes.

 

SW80-SW81

Node Status Registers for

Read only

Shows the status of the node, whether node is

 

 

 

COM2 present or not. Total 2 word Register are

 

 

 

mapped for 32 nodes.

SW96-SW111

Node Status Registers for

Read only

Shows the status of the node, whether node is

 

 

COM3

present or not. Total 16 word Register are

 

 

 

mapped for 256 nodes.

 

 

 

(Not applicable for non-Ethernet models)

 

 

 

 

 

Page 79

Page 87
Image 87
Toshiba V200 user manual COM1, COM3