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 |
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| |
SW0003_14 | COM1 Status | Read Only | 0 = Communication Error; 1= Communicating | |
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| with PLC |
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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 | |
|
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| execution time for reading inputs, executing | |
|
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| 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 |
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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 | |
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|
| port3.By default : ON | |
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. |
|
Node Status Registers for | Read only | Shows the status of the node, whether node is | ||
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|
| COM2 present or not. Total 2 word Register are | |
|
|
| mapped for 32 nodes. | |
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 | |
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