Specifications

App - 2
Appendix 1.2 Compatibility between the function version B and the function version A
The following explains the compatibility between the function version B and the function
version A of the network module QJ71LP21(-25)/QJ71BR11 on PLC to PLC network.
The function version B is compatible within the range of the function version A.
When replacing the network module from the function version A to the function version B,
it is not required to change the settings for parameters, programs and switches.
The function version B has the following functions that are changed or added after the
function version A.
1) Multiple CPU systems are supported
2) The dedicated link instructions are added (4 instructions)
3) The data length of the dedicated link instruction is changed (480 words to 960 words)
REMARK
The function version A of QJ71LP21/QJ71BR11 cannot be used for the remote
master station of the remote I/O network.