Maximum polled block read size for the PLC-5/250
RSLinx Classic calculates all block read sizes based on the capacity to move up to 200 bytes (100 words) of data in a single packet. The maximum block size that can be used with a particular data type follows:
Data type | Maximum block size |
|---|---|
Outputs | 64 words |
Inputs | 64 words |
System Status | 100 words |
Module Status | 20 words |
Binary | 100 words |
Timer | 18 integer values |
Counter | 33 integer values |
Integer | 100 words |
Floating Point | 50 values |
String | 2 strings |
Message | 1 integer value |
Long Integer | 50 values |
Block Transfer Data | 100 words |
Internal Storage | 100 words |
Block Transfer Read Control | 1 integer value |
Block Transfer Write Control | 1 integer value |
Adapter Status | 64 integer values |
Shared Data | not supported |
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