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Seneca Z-PC Series User Manual

For remote control, datalogging and i/o management.
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Z-PC Line
Z-RTU
User Guide

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Summary of Contents for Seneca Z-PC Series

  • Page 1 Z-PC Line Z-RTU User Guide...

  • Page 2: Table Of Contents

    INDEX GENERAL FEATURES SPECIFICHE TECNICHE OMMUNICATION ORTS LECTRICAL AND HERMOMECHANIC FEATURES NALOG NPUTS EATURES NALOG NPUTS EATURES NALOG OUTPUTS EATURES IGITAL OUTPUTS EATURES OWER SUPPLY MEASURE LOATING ATTERY EATURES NTERNAL ODEM 2.9.1 GSM/GPRS MODEM 2.9.2 PSTN M ODEM 2.10 YSTEM ROTOCOLS STRUCTURE AND INTERFACE Z-RTU...

  • Page 3: General Features

    1 GENERAL FEATURES Z-RTU is compact unit, provided of IEC 61131 configurator and software tool for the telecontrol. Z-RTU is a simple solution to use and install, versatile for remote control, datalogging and I/O management. With particularly small size (185 x 242 x 36,90 mm) and strong aluminium case, Z- RTU offers excellent calculus capabilities (CPU µP RISC 32 bit –...

  • Page 4: Specifiche Tecniche

    2 SPECIFICHE TECNICHE In this chapter the technical specifications of the Z-RTU will be illustrated refering to the communication ports, electrical and thermomechanic features and I/O signals management. 2.1 C OMMUNICATION ORTS Z-RTU handles the following communication ports: • Ethernet Port for Local Network connection. •...
  • Page 5 Connections Removable Terminals with section up to 2.5 mm 2.3 A NALOG NPUTS EATURES Z-RTU may acquire up to 4 analog inputs (2 from the base board and 2 from the expansion). They have the following features: Resolution: 14 bits Precision: 0.1% 1500 Vac isolation from each other and the rest of circuits.
  • Page 6 Voltage Output : 0÷10 V. Current Output: 0÷20 mA. Protection of the user load in case of fault of the output. Precision: 0.2% Response Time: 50 ms The output type (voltage or current) is set through the apposite dip-switches ( paragraph 4.8 ). 2.6 D IGITAL OUTPUTS EATURES...

  • Page 7: P Ower Supply Measure

    2.7 P OWER SUPPLY MEASURE Z-RTU manages through software the measure of the power supply voltage which is available through a IIC register. The measure is on tenths of Volts with admissible range equal to 100-300 V/10 (10-30 V) and 3% precision. 2.8 F LOATING ATTERY...
  • Page 8 • PPP ( Point to Point Protocol ): allows to establish a remote serial connection between Server and Client. • HTTP ( HyperText Transfer Protocol ): allows the control, the configuration and the transfer of files on TCP/IP network, the supervision through OPC Server and OPC Client. •...

  • Page 9: Structure And Interface

    3 STRUCTURE AND INTERFACE On the following figure the structure of Z-RTU is illustrated, with the position of the I/O and communication ports. 3.1 L Z-RTU NDICATIONS ON The following indicators are present on Z-RTU, to indicate the state or eventual errors: •...
  • Page 10 • RUN: (Green ) state of PLC. FLASHING: PLC (ISaGRAF) program not present ON: PLC is running. • GSM: ( Red ) state of GSM connection. FAST FLASHING: (Period: 1 s and Ton: 0,5 s): Search of the network, not registered o in turn off phase.

  • Page 11: Electrical Connections

    4 ELECTRICAL CONNECTIONS 4.1 P OWER UPPLY The power supply voltage must be included between 10-30 Vdc. The upper limits must not be exceeded: this may seriously damage the module. The PE terminal must be connected to ground either for EMC, I/O channels protections and phone line issues. Z-RTU is protected through a renewable fuse (capacity: 3A @ 25°...

  • Page 12: A Nalog Outputs

    The total current taken from ( + ) terminal does not have to be greater than 40 mA ( the output is anyway protected from overloads). 4.4 A NALOG OUTPUTS The analog outputs may be set through dip-switches (paragraph 4.8) in current (0-20 mA) or voltage (0-10V).
  • Page 13 4.6 P 0 RS232 The connections for the communication through the serial port RS232 PORT 0 are the following: 4.7 P 1 RS485 The connections for the communication through the serial port RS485 PORT 1 are the following: MI000920-E...
  • Page 14 4.8 P 2 RS485/RS232 PORT 2 may be used as RS232 or RS485, the connections for the communication through the serial port are the following. PORT 2 as RS232 PORT 2 as RS485 4.9 D WITCHES ETTINGS There are three blocks of dip-switches: the first “SWITCH 1” concerns the global management of the device (battery and serial bus), the remaining: SWITCH AO Base, SWITCH AO ESP (respectively on the base and expansion boards), sets the features of the analog outputs.
  • Page 15 The expansion is gray colored while the base is white. The dip switch for the configuration of the analog output of the base is accessible through a hole on the expansion. SWITCH 1 Switch 1 is composed of 4 dip-switches: On the following table, the meaning of the various settings is listed: Dip-Switch State Funzione...
  • Page 16 Sw1: ON, Sw2: OFF: VOLTAGE ANALOG OUTPUT Sw1: OFF, Sw2: ON: CURRENT ANALOG OUTPUT The meaning of the combinations is summarized on the below table: State SW1 State SW2 Function VOLTAGE OUTPUT CURRENT OUTPUT MI000920-E...

  • Page 17: Iic Registers

    16 bits registers (words), with address from 00 to 30, whose functionalities are the same for both the boards. The configuration of Z-RTU I/O signals is easily managed through Z-NET3 software, furnished by Seneca. The following table lists and describes the Registers present in the boards by referring to the next data structure: The notation Bit [x:y] indicates all the bits from x to y: xy.
  • Page 18 Register for the configuration of the totalizers associated to the ELECTOR digital inputs Not used Bit [15:8] Selector Type Measure for DIN8 Bit 7 0:The totalizer associated to digital input 8 is sets as counter 1:Sets the totalizer associated to digital input 8 for a period measure Selector Type Measure for DIN7 Bit 6 0:The totalizer associated to digital input 7 is sets as counter...
  • Page 19 Register for the setting of the digital output 2 duration ( if URATION impusive ) If the digital output 2 has been configured as impulsive, it sets the Bit [15:0] time of its duration in msec. It indicates the time during which the output, as a result of a leading edge, will remain to logical level 1 after which...
  • Page 20 Measure of the totalizer associated to the digital input 4 EASURE 16 bits totalizer, associated to digital input 4. It may indicate the Bit [15:0] counting or the period in ms of digital input 4, depending on the setting of SELECTOR DIN register. Measure of the totalizer associated to the digital input 5 EASURE 16 bits totalizer, associated to digital input 5.
  • Page 21 Value of digital output 4 Bit 3 0: Forces the digital output 4 to OFF. 1: Forces the digital output 4 to ON. Bit 2 Value of digital output 3 0: Forces the digital output 3 to OFF. 1: Forces the digital output 3 to ON. Bit 1 Value of digital output 2 0: Forces the digital output 2 to OFF.

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Z-rtu