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Resumen del manual
They are used together and they have the following significance: when a jumper is in the J1 position (see Figure above) pin 40 is connected to pin 27 (EXT TRIG+); a jumper in J2 position connects pin 20 to pin 28 (EXT TRIG-). If the jumpers are removed pin 20 and pin 40 are disconnected. Casella di testo: to EARTH GROUND (default) Casella di testo: to GND Casella di testo: floating Casella di testo: J2 Casella di testo: J1 2.5 PROFIBUS CONNECTIONS AND SETUP 2.5.1 Profibus Node Address Selection To interface the C-BOX 3X0 with a Profibus network, the Node Address should be set using the rotary switches placed in the cover inside. The valid address range is from 000 to 126. If an invalid value is detected, the C-BOX cannot communicate with the Profibus network. The Node Address can also be assigned through WinHost. Refer to Help on-Line. Figure 11 - Rotary Switches 2.5.2 Profibus Connector (9-Pin Female External Connector) To connect C-BOX 3X0 as a Profibus DP Slave, use a standard Siemens Profibus cable with a 9-pin male connector (see DIN 19245 part 1) and plug it into the 9-pin female external connector. 5 1 9 6 Casella di testo: HUNDREDS Casella di testo: TENS Casella di testo: UNITS 9-pin external female connector pinout Pin Name Function 1 N.C. not connected 2 N.C. not connected 3 B-LINE (RS485+) 4 RTS Ready To Send 5 GND RS485 Bus Reference 6 + 5V (galvanically isolated) RS485 Bus Power Supply 7 N.C. not connected 8 A-Line (RS485-) 9 N.C. not connected 2.5.3 Connection to a Profibus Network The following figure shows a Profibus layout with C-BOX 3X0 devices connected to a Profibus Master: Profibus DP Slave node #1 PROFIBUS DP Master Profibus DP Slave node #2 Profibus DP Slave node #n C-BOX 3X0 Figure 12 - Profibus Connection It is recommended to use only commercially available PROFIBUS connectors for connecting to the bus. Use connectors from ERNI and Siemens. If the C-BOX is installed at the beginning or end of the PROFIBUS cable segment, it is recommended to use PROFIBUS connectors, which contain an integrated terminating resistor. To ensure that the C-BOX functions without errors, the shield of the PROFIBUS cable must be grounded. – Ensure that the PROFIBUS connector uses the pin assignments shown in par 2.5.2 – Attach the PROFIBUS connector to the PROFIBUS interface socket on the C-BOX 3X0 and secure the connector with the retaining screws. – For C-Box 310 models, it is advised to use up to two ferrites (type Stewart 28A2029-0A0) on the Profibus cable to reduce electrical noise. 2.5.4 C-BOX 3X0 Configuration for Profibus DP Slave Node In order to setup the C-BOX 3X0, you need to install the function blocks in your PLC programming software and configure it. The procedure below can be generally applied for this purpose: 1. Start the PROFIBUS configurator on the DP Master. 2. Insert the CD with the device database files (.GSD) into the drive of the programming device (usually a PC). 3. Load the .GSD file HMS_1810.GSD in the configurator. 4. Configure the C-BOX 3X0 (through WinHost) setting the parameters according to the PROFIBUS network application as described in the configurator's Help On-Line or User's Manual. Further information on PROFIBUS protocol and Flow control is provided in the C-BOX 300/310 PROFIBUS document and Help On- Line installed from the configuration CD provided in the C-BOX package. NOTE 2.6 CONFIGURATION SWITCH AND 9-PIN INTERNAL CONNECTOR The 9-pin internal connector may have two different functions according to the position of the configuration switch. Figure 13 - Configuration Switch and 9-pin Male Connector POSITION MODE Normal Operation (default): In this position, the C-BOX 3X0 is in the normal operating mode. It communicates with the scanner through the 9-pin internal connector and the scanner auxiliary serial interface. The internal connector pinout is illustrated in the following table: 9-pin C-Box 3x0 connector pinout in Normal mode Pin Name 1 NC 2 RXA 3 TXA 4 NC 6 NC 9 NC DS2100A DS2400A DS4600A Matrix-2000™ Matrix-1000™ 5 SGND SGND GND GND 7 CTSA SGND AUX GND GND 8 RTSA GND NC NC POSITION MODE CFG: When the switch is in this position, the C-BOX 3X0 is in configuration mode. The communication with the scanner is interrupted and pins 2 and 3 are no longer dedicated to the scanner auxiliary interface but to the C-BOX 3X0 configuration (see table below). The system enters configuration mode and waits to be configured through WinHost (see WinHost Help On Line). The C-BOX 310 display visualizes an appropriate message. Once the C-BOX 3X0 configuration is completed, it is necessary to replace the switch in the Normal Operation position. At the end of the reboot phase, the C-BOX 3X0 is ready to function with the new configuration. 9-pin C-Box 3x0 connector pinout in Configuration mode Pin Name Function 2 RX C-BOX 3X0 Configuration 3 TX C-BOX 3X0 Configuration 5 SGND Signal Ground When the C-BOX 3X0 configuration is completed, remember to replace the Configuration switch in th...
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