User Guide - Eurotherm Ltda

nanodac RECORDER/CONTROLLER: USER GUIDE6.1.2 Direct ConnectionThis section describes how to connect a pc directly to the instrument.WIRINGConnection is made from the Ethernet connector at the rear of the Instrument to an Ethernet RJ45connector, usually located at the rear of the pc. The cable can be either a ‘cross-over’ or ‘straightthrough’ type.PC Ethernetconnector.Once wired correctly, and powered up, it is necessary to enter a suitable IP address and subnet mask intothe Comms configuration of the Driver Module. This information can be found as follows:1. At the pc, click ‘Start’. ‘All Programs’, ‘Accessories’, ‘Command Prompt’2. When the Command Prompt box appears, type IPConfigThe response is a display, such as that shown below, giving the IP address and Subnet mask of the pc.Choose an address in the range covered by these two values.A subnet mask element of 255 means that the equivalent element of the IP address must be usedunchanged. A subnet mask element of 0 means that the equivalent element of the IP address may takeany value between 1 and 255 (0 is not allowed). In the example below, the range of IP addresses whichmay be chosen for the Driver Module is 123.123.123.2 to 123.123.123.255. (123.123.123.0 is notallowed and 123.123.123.1 is the same as the pc’s address, and may therefore not be used.)Figure 6.1.2b IP Config command3. In Network.Interface configuration (section 4.2.1) enter the selected IP address and the subnet mask(as it appears in the command prompt window) in the relevant parts of the menu.4. Check communications by ‘pinging’ as described in section 6.1.1, above.Once the link to the instrument has been verified, iTools can be started (or shut down and re-started), andthe Scan toolbar icon used, to ‘find’ the instrument. The scan can be stopped at any time by clicking on theScan icon a second time.See section 6.2 for more details of the scan procedure.Subnet Masks and IP addresses.Subnet Masks are most readily understood when looked at in binary format.For example, a mask of 255.255.240.10 can be re-written as:11111111.11111111.11110000.00001010. In such a case, IP addresses11111111.11111111.1111xxxx.xxxx1x1x would be recognised (where x can be either a 0 orSubnet maskIP addresses(Binary)IP addresses(decimal)255 255 240 to 255 10, 11, 14, 15,26, 27, 30, 31,42, 43, 46, 47 etc.Page 260HA030554Issue 7 Nov 12