+7(495)109-02-08 sales@bbrc.ru www.bbrc.ru 1. Introduction The HRT-227CS is a HART to Fiber converter paired used to extend HART communication distance via single mode fiber optic transmission medium. In order to solve the problem between HART and fiber transmission medium, HRT-227CS is specially designed for converting the HART signal to fiber optic cables.
ГК Атлант Инжиниринг – официальный представитель в РФ и СНГ +7(495)109-02-08 sales@bbrc.ru www.bbrc.ru 2.4. Pin Assignment The below table is the pin assignment for Fiber / COM / HART port of HRT-227CS. Table 2-2 Pin Assignment Port Name Description Receive optic data...
+7(495)109-02-08 sales@bbrc.ru www.bbrc.ru 2.5. HART Loop Resistor HRT-227CS provides a built-in 250Ω (1/4W) HART loop resistor as figure 2-4 and adjustable by DIP switch (Resistor). When setting to be „ON‟ position, the loop resistor will connect to HART network. The default position of the dip switch is „ON‟.
+7(495)109-02-08 sales@bbrc.ru www.bbrc.ru 2.6. Dip Switch (Mode) The dip switch (Mode) is used to switch module firmware function (firmware operation or firmware update) of HRT-227CS. (The detailed description for firmware update refers to chapter 5) Figure 2-5 The Dip Switch (Mode) Location There are 4 values on the dip switch and described as the below table.
+7(495)109-02-08 sales@bbrc.ru www.bbrc.ru 2.7. Module Group ID The HART port in HRT-227CS with the same module “Group ID” can communicate with each other via fiber optics. When using on star topology application, it can be used to distinguish the different HART networks connected together with fiber switch.
ГК Атлант Инжиниринг – официальный представитель в РФ и СНГ +7(495)109-02-08 sales@bbrc.ru www.bbrc.ru 3.2. Fiber Selection & Fiber Length The specification of fiber cable for HRT-227CS is shown as below table. Table 3-1 Specification of Fiber Diameter [μm] Operating Fiber Type...
4. HC_Tool Utility HC_Tool utility is provided to configure ICP DAS HART converters (like I-7567 / I-7570 / I-7547 / HRT-227CS) or transmit / receive HART frame for HART communication easily and quickly. HC_Tool utility can be downloaded from the ICP DAS web site : http://ftp.icpdas.com/pub/cd/fieldbus_cd/hart/converter/hrt-227CS/software/...
Step 2: Set the value of dip switch (mode) to be 3. Then connect the COM port between PC and the HRT-227CS together with CA-0910 cable like Figure 5-1. (1) Connect the TXD / RXD / GND pins together between PC and HRT-227CS. Figure 5-1 RS-232 wire connection between PC and HRT-227CS Step 3: Power on the HRT-227CS.