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Download CC-Link Embedded I/O Adapter User`s Manual
Transcript
5 HANDLING CC-LINK EMBEDDED I/O ADAPTER MELSEC-A 5.2 Cascading Method The CC-Link embedded I/O adapters can be cascaded. Up to two adapters can be installed side by side in the same board. Cascade the adapters as shown below. The following diagram gives an example of 16-point CC-Link embedded I/O adapters. Review the pin numbers when 32-point CC-Link embedded I/O adapters are used. OE-IN A20 OE-IN B20 A20 OE-OUT B22 DA CC-Link enbedded I/O adapter (2) SD-IN RD A19 A22 DB B21 DG A21 FG B18 A18 RDGON A17 GND B19 SD-OUT SD-IN A19 RD CC-Link enbedded I/O adapter (1) B18 A18 RDGON A17 GND B20 OE-OUT B22 DA A22 DB B21 DG A21 FG DA DB DG SLD B19 SD-OUT FG (OPEN) POINT Since the cascade communication pattern is easily affected by noise, it must be separated as far away as possible from the other noise-laden patterns (power supply, I/O signals). 5-5 5-5
