1SBP260001R1001

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描述

DCS惯常使用两层网络结构,一层为过程级网络,大部分DCS使用自己的总线协议,ABB的Profibus、ABB的CAN bus、施耐德的Modbus等,这些协议均建立在标准串口传输协议RS232或RS485协议的基础上。现场IO模块,特别是模拟量的采样数据(机器代码,213/扫描周期)十分庞大,同时现场干扰因素较多,因此应该采用数据吞吐量大、抗干扰能力强的网络标准。基于RS485串口异步通讯方式的总线结构,符合现场通讯的要求。

WATTS 2193-3 VALVE GLOBE ACV

8 Stanley 6ft Gold Series 120 Steel Framed Bypass Door

CONAIR TEMPRO MicroTRAC 23 Operator Panel Rev A Board

HAKKO 486 AIR CONTROL

2 Unloading Conveyor Gravity

FOXBORO 124-FE CONSOTROL AND SCANFOLD

SCHERR TUMICO 50-0135-07 DIAL BORE GAUGE

MARKEL AR500 .100X.124 Brown Flextech Liner 5400FT

COMPUTYPE GANTRY 12X32”

4 NNTM61008U2G AMPLIFIER

FOXBORO ICT AE003UZ BOARD

53 GRINNELL FIG 772 Rigid Coupling 1.5”

10 CENTRAL GRINNELL FIG 730 MECHANICAL TEE 2.5”

10 GRINNELL FIG 730 MECHANICAL TEE 3”/88.9MM

DALSA CL-E2-2048A-STD​M Industrial Camera Advisor

Fluke 515A Portable Calibrator

BECKER VTC6/2 D71A4P VACUUM PUMP

BECKER VTC672-09 D71A4P VACUUM PUMP