1784-PCC
1784-PCC
1784-PCC
自由口通讯是通过用户程序可以控制s7-200cpu通讯口的操作模式。利用自由口模式,可以实现用户定义的通讯协议连接多种智能设备。通过使用接收中断、发送中断、发送指令和接收指令,用户程序控制通讯口操作。在自由口通讯模式下,通讯协议完全由用户程序控制。通过***b30(口0)允许自由口模式,而且只有在cpu处于run模式时才能允许。当cpu出于stop模式时,自由口通讯停止,通讯口转换成正常的ppi协议操作。
近年来,随着我国铁路运输环境的改善,列车速度越来越高,势必对铁道车辆提出较高的要求,其表现在对列车的舒适性和运行可靠性、安全性的要求提高,因此车辆上设备的自动化程度越来越高。自动化程度的提高,带动了网络技术在列车控制和监控上的应用。
◆ 企业名称:厦门泰尼电气有限公司
◆ 主营业务:DCS,PLC
◆ 经营模式: 贸易
◆ 贸易地区: ***
◆ 联系人: 小黄《女士》
◆ 电话:0592-6809319
◆手机:18950191386
◆ ***:2917675397
◆ 传真:0592-6890859 (备注“01006”收)
◆ E-mail: 2917675397@***.com
Square D FJA34100 100 Amp 480Y/277 V Power Pact Breaker IAD 480
Allen Bradley AB Bulletin 1336 Braking Chopper 1336-WB035 Ser A 750VDC 1336WB035
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CTC 2207 A 16 Analog In Module Control Technology Corporation 2207A
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cems 2000 SIXNET 61-COUNT-16 PSC 2 61COUNT16 PLC Board
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Keyence KX-40 T High Speed Input KX-40T KX40 T KX-40T
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GE Fanuc IC600-BF030L Adv IO Receiver IC600BF030L BF030
GE 7700 Series 6" Breaker Feeder MCC ***et 3-Wire 50A
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Daytronic 4077 Series DC Strain Gauge Transducer
Johnson Controls AS-UNT121-1 MetaSys Unitary Control Assembly ASUNT1211 RY10344
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Foxboro I/A PM400YL 120 VAC Input/Output PM400 YL
