What is the maximum nos.of modbus slave device that can be connected to IOScanner configured for SL1 and SL2 serial lines of M241 controller

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SL1 - Serial line 1 and SL2 - Serial line 2 are individual serial lines of M241 controller.
Under each SL1 and SL2 serial lines it is possible to configure Modbus IOScanner at the same time.
For added Modbus IOScanner for each SL1 and SL2 maximum 32 nos. of modbus slave devices can be configured. This is validated by our validation team.
The type of slave device should not make any difference regarding the maximum number of slave devices.
In total M241 can manage maximum 64 nos. of modbus slave devices at added Modbus IOScanner for SL1 and SL2..