1SFA894011R7000
13394057292专线 0592-5856292 苏妙玲 秋秋2851195480 www.zxdsolutions.com
仲鑫达团队只做一件事为您的自动化机组和工业装置保驾护航!
国外直接采购,正品行货,价格优惠,售后保修,型号,优势库存,欢迎来电查询!
-------------------------------------------------------------------
3.1.1.7 工控指令下发
数据查询指令不再采用“请求-应答模式”,指挥机不再发送周期性查询命令,改为由终端主动向指挥机上报,终端按照监测等级以不同频度更新监测数据;信道服务器依据本地缓存数据向服务器监控软件进行实时回复。
控制指令保持“请求-应答模式”,信道服务器始终向服务器监控软件实时回复控制指令正常回令,并通过北斗通信链路下发控制指令;控制回令通过北斗终端回复至北斗指挥机,回复内容为与控制指令相关的数据查询值。工控指令下发和执行状态返回优先于现场数据获取;
支持工控指令发送策略:点对点。控制指令由服务器监控软件发起控制指令(指挥机->单个终端):iFix软件对某个站点下达的控制命令,通过指挥机->单个终端的报文下达,若控制指令可以在一条报文中传输完毕,控制周期为30S+60S+20S。若控制指令需要N条报文进行传输,则控制周期为(30S+60S+20S)*N。不同站点的控制指令排队发送。
北斗服务上传、下行数据通过质量戳标记表示操作成功与否。
为保证北斗链路中控制数据准确及时的传递,对控制数据采取下列可靠性保证措施:
控制指令中增加数据校验功能,若传输出现异常,丢弃当前报文,等待重传;避免终端PLC/RTU误动作。
控制指令采用“请求+应答”模式,若服务器端发送的请求未在有效时间内收到回复,则允许客户端进行重发操作,保证命令能够正常传递。
现场数据分优先级进行传输。
GENERAL ELECTRIC 278A2184BRP1 METER 200-0-200
GENERAL ELECTRIC 50-250409FAZZ1
GENERAL ELECTRIC 57 2108 8
GENERAL ELECTRIC 115V COIL CR9503B103M2
GENERAL ELECTRIC CONTROL TRANSFORMER 218A4148P8
GENERAL ELECTRIC CR305X130N
GENERAL ELECTRIC 3022147
GENERAL ELECTRIC 26F7520
GENERAL ELECTRIC CR9440K1M1
GENERAL ELECTRIC 50-152012PZPZ2
GENERAL ELECTRIC CR2810A14AJ
GENERAL ELECTRIC 9T51B7
GENERAL ELECTRIC 1-1.6A OVERLOAD
GENERAL ELECTRIC IC600FP908B
GENERAL ELECTRIC IC600FP908A
GENERAL ELECTRIC IC610CCM109A I/O
GENERAL ELECTRIC PW2HA1AG2
GENERAL ELECTRIC 5P50-63 THRYSISTOR
RUSSELL STOLL 3128 PLUG WEATHERTIGHT 60 AMPS
GENERAL ELECTRIC 53-1100 L741 FA-2154-1B
GENERAL ELECTRIC 366A772G1
GENERAL ELECTRIC CR104PLG32
GENERAL ELECTRIC TEB132040
GENERAL ELECTRIC 22D135G4 COIL 460V
GENERAL ELECTRIC 250224ECRL
GNERAL ELECTRIC YE/152 PANEL
GENERAL ELECTRIC 50-162141LSPK2
GENERAL ELECTRIC 50-251320PDPD1
GENERAL ELECTRIC TED134020
GENERAL ELECTRIC 9T51Y6 TRANSFORMER
GENERAL ELECTRIC IC600FP901A I/O
GENERAL ELECTRIC CR174JC01 RELAY 8 BLADE
GENERAL ELECTRIC IC3603A177AB9
GENERAL ELECTRIC HCGF3A CAPACITOR 2200MFD 400VDC
GENERAL ELECTRIC THQL1130GF 1 POLE 30A 120AC
GENERAL ELECTRIC CR153C074AGC
GENERAL ELECTRIC 9T58K0501G30
GENERAL ELECTRIC TEYM02315
GENERAL ELECTRIC IC693MDL740G
GENERAL ELECTRIC 343L695ES
GENERAL ELECTRIC A-C AMPERES METER 0-75 TYPE A0-91
GENERAL ELECTRIC 9T58B1800
GENERAL ELECTRIC 374-37 75-75 PSI
GENERAL ELECTRIC 8DP9VE E3 TYPE DP-9
GENERAL ELECTRIC IC9033C4C15EJ
GENERAL ELECTRIC 4JA411MX537
GENERAL ELECTRIC 230V MOTOR 5KSP51ECL554
GENERAL ELECTRIC 12HMA11A31