Siemens SIMATIC S7-300 Series Reference Manual page 86

CPUs
FM 353/354, distributed
If you implement the CPU 318-2 as DP Master, you can operate FM 353 as of
6ES7 353-1AH01-0AE0, firmware version 3.4/03 and FM 354 as of 6ES7
354-1AH01-0AE0, firmware version 3.4/03 in distributed mode with an ET 200M.
You cannot operate the following modules in an S7-300 equipped with a 318-2
CPU
FM 357 up to 6ES7 357-4_H02-3AE_, firmware version 2.1;
FM NC up to 6FC5 250-3AX00-7AH0, firmware version 3.7 + Toolbox 6FC5
252-3AX2Z-6AB0, Software Version 3.6;
SM 338 up to 6ES7 338-7UH00-0AC0, version 07;
SIXWAREX M up to 7MH4 553-1AA41, firmware version 0119;
SINAUT ST7 TIM, 6NH7 800-_A__0 (Tip: Use a TIM module as stand alone node)
Peripheral access in CPU 318-2 is not permitted
for T PAW operations on centrally inserted peripheral modules with corresponding
address bytes assigned to different peripheral modules.
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PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
A5E00111190-01