The following figure shows an example of a multimaster network with multiple masters and one slave.
The following figure shows a multimaster network with multiple masters that communicate with multiple slaves.
The PC with STEP 7 Micro/WIN and the HMI device are both masters. The S7-200 CPUs are slaves in both cases.
The following cables are multimaster-compatible:
|Intelligent RS232/PPI cable with built-in RS232/RS485 converter
|Intelligent USB/PPI cable with built-in USB/RS485 converter