1756-PB75 AB

SDCS-CON-4
DSDP140B-57160001-ACX
1FT6086-1AF71-4AH1
J2RS-232-SERIALPORT
1C31132G01
MDX60A0150-503-4-00
HE693STG883
1756-IR6I
1336-FAN-SP3A
1794-ASB2
1756-EWEB
6DP1120 – 8AA
6DP1120-8BA

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描述

大中型PLC系统应支持多种现场总线和标准通信协议(如TCP/IP),需要时应能与工厂管理网(TCP/IP)相连接。通信协议应符合ISO/IEEE通信标准,应是开放的通信网络。

PLC系统的通信接口应包括串行和并行通信接口(RS2232C/422A/423/485)、RIO通信口、工业以太网、常用DCS接口等;大中型PLC通信总线(含接口设备和电缆)应1:1冗余配置,通信总线应符合国际标准,通信距离应满足装置实际要求。

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