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Summary of Contents for Festo PVGA Series
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Page 1: Pgva Manual
PGVA Manual PGVA Manual Version 5. (2021.03.15) Festo SE & Co. KG Ruiter Straße 82 72734 Esslingen Germany Internet: www.festo.com Festo SE & Co. KG Page 1 of 20... -
Page 2: Table Of Contents
2.1 Getting Started using the GUI ..................6 2.2 Modbus Settings ......................8 2.3 Modbus Register Map ....................8 2.4 Modbus Communication ....................20 2.5 PLC Settings ......................... 20 2.4.1 basic settings ...................... 20 Festo SE & Co. KG Page 2 of 20... -
Page 3: Specifications Overview
PGVA Manual Specifications overview 1 Complete System The decentralized Pressure & Vacuum Box "PVGA-..." is designed to supply Festo pipetting system with compressed air and vacuum. Communication can be accomplished via Modbus TCP (Ethernet), or Modbus ASCII (serial RS232). -
Page 4: Using Pressure Over Liquid
PGVA Manual 1.2.8 Using Pressure over Liquid (Draft): Description 1.2.9 Using as Open Loop Pipette (Draft): Description NOTE: The VTOE in the picture should have a Tip adapter and Disposable tip connected Festo SE & Co. KG Page 4 of 20... -
Page 5: Customer Interface
PGVA Manual 1.3.1 Customer interface Description: Festo SE & Co. KG Page 5 of 20... -
Page 6: Communications
Box. The Ethernet cable must be plugged in before starting the box. If the Ethernet cable is plugged in after the PGVA has started Ethernet connection will not be possible. Festo SE & Co. KG Page 6 of 20... - Page 7 the IP address should not be 0.x.x.x, 127.x.x.x and neither a value >=240.x.x.x. MAC address should be in Festo range (00:0E:F0:00:00:00 - 00:0E:F0:FF:FF:FF). Modbus unit ID should be in the range [1, 247]. Festo SE & Co. KG...
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Page 8: Modbus Settings
Modbus Function Code 04 Maximum number of registers to read 4 Modbus Function Code 06 Modbus Function Code 10 Maximum number of registers to write 4 Limitations: none Festo SE & Co. KG Page 8 of 20... - Page 9 Input register Dispense valve Reads the most- opening times Dimension: significant (MSH): Upper 16 bits halfword of the of a 32-bit 32-bit counter for ADDR: 0x107 integer the total number Festo SE & Co. KG Page 9 of 20...
- Page 10 32-bit PGVA life of a 32-bit counter ADDR: 0x10C integer. (resolution is 1 min). Same reading as Vacuum actual Input register register 0x100, (in mbar) Dimension: however, the ADDR: 0x10D mbar conversion between Festo SE & Co. KG Page 10 of 20...
- Page 11 0x1006) Reads the last Last Modbus Modbus Input register error command error. See table 2. ADDR: 0x113 below Reads the seed Seed Input register generated by the ADDR: 0x114 device Festo SE & Co. KG Page 11 of 20...
- Page 12 - reading: will need some time to point value) 0.244 regulate the output value. This time depends on the difference between new and Festo SE & Co. KG Page 12 of 20...
- Page 13 ADDR: 0x1007 Dimension: Holding Reserved register ADDR: 0x1008 Dimension: Reserved Holding ADDR: 0x1009 register Jump to first Holding Value: 9999 bootloader register ->Reboots the device in ADDR: 0x100A Dimension: bootloader mode. Festo SE & Co. KG Page 13 of 20...
- Page 14 0x1003, however, ADDR: 0x1010 Dimension: conversion value written will be (output mbar between interpreted as millibars pressure set increments and instead of increments. point value) millibars is done in the firmware. Festo SE & Co. KG Page 14 of 20...
- Page 15 ADDR: 0x10C8 9999 Holding Key write register Writes the generated key from the seed ADDR: 0x10C9 Dimension: Holding Config ongoing register Keeps the manufacturing mode ongoing ADDR: 0x10CA Dimension: 9999 Festo SE & Co. KG Page 15 of 20...
- Page 16 Multiple Read the most- MAC Address registers significant 16- Set the most-significant 16- **, *** Dimension: bits if the PGVA bits if the PGVA MAC address ADDR: 0x3006 MAC address Festo SE & Co. KG Page 16 of 20...
- Page 17 Read the most- Multiple Serial number significant 16 Set the most-significant 16 registers (MSH) bits of the bits of the device’s serial Dimension: device’s serial number ADDR: 0x300D number Festo SE & Co. KG Page 17 of 20...
- Page 18 1: Pressure in the pressure tank is below the lower threshold 0: Pump is off 1: Pump is building up pressure 2: Pump is building up vacuum 3: Reserved 0: Idle 1: Busy Festo SE & Co. KG Page 18 of 20...
- Page 19 ModbusUnitId is out of range IP address does not comply with the restrictions ManualTrigger is invalid Incorrect number of registers written with function code 0x10 Register is cannot be written to Festo SE & Co. KG Page 19 of 20...
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Page 20: Modbus Communication
To get the system running it’s important to set up an holding, input, and write register. To get live data from the PGVA box it is important to enabling the Modbus each cycle. Festo SE & Co. KG Page 20 of 20...
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