Precision Digital Corporation PDA7485-I Instruction Manual Download Page 1

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Serial Communication Converters & Adapters
Instruction Manual

PRECISION DIGITAL CORPORATION

233 South Street • Hopkinton MA 01748 USA
Tel (800) 343-1001 • Fax (508) 655-8990

www.predig.com

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RS-232 to RS-422/485 Converter

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Isolated RS-232 to RS-422/485 Converter

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USB to RS-232 Converter

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USB to RS-422/485 Converter

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Isolated USB to RS-422/485 Converter

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Trident Serial Communication RS-232 Adapter

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Trident Serial Communication RS-485 Adapter

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Trident Serial Communication USB Adapter

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Serial Communication RS-232 Adapter

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Serial Communication RS-485 Adapter

Summary of Contents for PDA7485-I

Page 1: ...com RS 232 to RS 422 485 Converter Isolated RS 232 to RS 422 485 Converter USB to RS 232 Converter USB to RS 422 485 Converter Isolated USB to RS 422 485 Converter Trident Serial Communication RS 232 Adapter Trident Serial Communication RS 485 Adapter Trident Serial Communication USB Adapter PROVU Serial Communication RS 232 Adapter PROVU Serial Communication RS 485 Adapter ...

Page 2: ... serial communication wiring networks Installation and service should be performed only by trained service personnel WARNING Cancer and Reproductive Harm www P65Warnings ca gov For California Proposition 65 details please visit our website www predig com Ordering Information Model Description PDA1232 PROVU RS 232 Serial Adapter PDA1485 PROVU RS 485 Serial Adapter PDA7420 Trident Meter Copy Cable 7...

Page 3: ...s 12 PDA7485 RS 232 to RS 422 485 Converter 13 Description 13 Installation 13 Connections 14 PDA8006 Trident to USB Serial Adapter 15 Description 15 Installation 15 PDA8232 USB to RS 232 Converter 16 Description 16 Installation 16 PDA8485 USB To RS 422 485 Converter 17 Description 17 Installation 17 Connections 18 Troubleshooting 19 Table of Figures Figure 1 General Four Wire Network Connection 6 ...

Page 4: ...3 937 1 200 m max Power Powered by PROVU meter M Link connection Status Indication Separate LEDs for Power P Transmit TX and Receive RX PDA7232 Trident RS 232 Serial Adapter Compatibility EIA 232 Connectors PC compatible 9 pin D subminiature connector DB9 and RJ11 adapter to meter Cable 7 2 1 m standard modular cable provided with adapter Distance Adapter to PD765 meter 7 2 1 m max Adapter to comp...

Page 5: ... m max USB connection to PC 10 3 m max Driver Windows 98 SE ME 2000 Server 2003 2008 XP 32 64 Bit Vista 32 64 Bit Windows 7 32 64 Bit Power USB Port Status Indication Separate LEDs for Power P Transmit TX and Receive RX PDA8232 USB to RS 232 Converter Compatibility USB 1 1 USB 2 0 EIA 232 Connectors PC compatible 9 pin D subminiature connector DB9 and USB Type A Drivers Windows 98 2000 ME XP Dista...

Page 6: ...232 to RS 422 and back again can be used to form an RS 232 extension cord Data rates of up to 100 kbits second and distances of 3 937 1 200 m can be accommodated with RS 422 RS 422 devices however cannot be used to construct a true multi point network A multi point network consists of multiple drivers and receivers connected on a single bus where any point node can transmit and or receive data RS ...

Page 7: ...iving data from the PROVU meter Installation Figure 3 shows the connection of a PROVU meter to a PC using the PDA1232 serial adapter The PDA1232 has an RJ45 connector to connect the Cat5e cable and a PC compatible 9 pin D subminiature connector DB9 The DB9 can be connected directly to the PC or by using a standard serial extension cable Figure 3 RS 232 Adapter Connections Connections A Cat5e cable...

Page 8: ...cable and a screw terminal connector to connect to the RS 422 network Figure 5 shows the connection of several PROVU meters with PDA1485 serial adapters to a PC using a PDA7485 RS 232 to RS 422 485 converter in an RS 485 network PROVU Serial Communication Address serIAl When using more than one meter in a multi drop or multi point mode each meter must be provided with its own unique address For th...

Page 9: ... one location Connections A Cat5e cable is provided to connect the PROVU meter to the PDA1485 adapter Figure 6 details the wiring connections from the PDA1485 to an RS 422 485 serial converter such as the PDA7485 or PDA8485 for a four wire network PDA1485 to RS 422 485 Serial Converter Connections RS 422 485 Serial Converter PDA1485 RS 485 Adapter DO DI DO DI DI DO DI DO Figure 6 Connections for P...

Page 10: ... PDA7232 serial adapter The PDA7232 has an RJ11 connector to connect the PDA7420 modular cable and a PC compatible 9 pin D subminiature connector DB9 The DB9 can be connected directly to the PC or by using a standard serial extension cable Figure 7 RS 232 Adapter Connections Connections A PDA7420 cable is provided to connect the Trident meter to the PDA7232 serial adapter Figure 8 shows the PDA742...

Page 11: ...igure 10 shows the connection of several Trident meters with PDA7422 serial adapters to a PC using a PDA7485 RS 232 to RS 422 485 converter in an RS 485 network PD765 Serial Communication Address serl When using more than one meter in a multi drop or multi point mode each meter must be provided with its own unique address For the PD765 Trident meter the address may be programmed from 00 to 99 for ...

Page 12: ...t the Trident meter to the PDA7422 adapter Figure 11 shows the PDA7420 cable details Figure 11 Standard Modular Cable Wiring Figure 12 details the wiring connections from the PDA7422 to an RS 422 485 serial converter such as the PDA7485 or PDA8485 for a four wire network PDA7422 to RS 422 485 Serial Converter Connections RS 422 485 Serial Converter PDA7422 RS 485 Adapter DO DI DO DI DI DO DI DO Fi...

Page 13: ...lation The DIP switch SW1 allows for several different options Factory settings for the switch are shown in Figure 13 12 3 4 5 Figure 13 PDA7485 Terminal Connectors and DIP Switch The TERM switch position adds an internal 120 ohm termination resistor when ON up Termination should be used on both ends of the network with high data rates and long wiring runs To configure a two wire network set both ...

Page 14: ...l Device Four Wire Connections PDA7485 Serial Converter RS 422 485 Serial Device DO DI DO DI DI DO DI DO Figure 16 Connections for PDA7485 in a Four Wire Network Figure 17 details the wiring connections from the PDA7485 to an RS 422 485 serial device in a two wire network when the DIP switches on the PDA7485 have been set to the 2 Wire Mode PDA7485 to RS 422 485 Serial Device Two Wire Connections ...

Page 15: ...l Adapter Description The PDA8006 Trident to USB Serial Adapter allows for direct connection of a Trident meter to the USB port of a PC Installation Figure 21 shows the connection of a Trident Series meter to a PC using a PDA8006 Trident to USB Serial Adapter Figure 18 USB Adapter Connections ...

Page 16: ...PC using the PDA8232 USB to RS 232 Converter a Null Modem Cable not included must be used A Null Modem Cable is a serial cable that swaps pairs of the wires to allow the two connected devices to operate as they would if they were linked using modems When connecting the ConsoliDator to a PC via the PDA8232 it is strongly recommended to change the ConsoliDator s parity parameter to NONE 8N2 for None...

Page 17: ...lows for several different options Factory settings for the switch are shown in Figure 24 1 2 3 4 5 Figure 24 PDA8485 DIP Switch Location The termination switch position adds an internal 120 ohm termination resistor when ON up Termination should be used on both ends of the network with high data rates and long wiring runs To configure a two wire network set both of the 2 wire switch positions to O...

Page 18: ...485 Serial Device Two Wire Connections PDA8485 Serial Converter RS 422 485 Serial Device DO DATA DO DATA Figure 27 Connections for PDA8485 in a Two Wire Network The PDA8485 internally connects the DI to the DO and the DI to the DO when the DIP switches are set to 2 Wire Mode Either the DI or DO could be used to connect to DATA and either the DI or DO could be used to connect to DATA Figure 28 show...

Page 19: ...A8485 If only the TX or DATA IN data status LED is flashing when serial communications attempted Check 1 Serial adapter and cable 2 Serial protocol selected 3 Meter address and baud rate 4 MeterView address and baud rate 5 DIP switch setting on the PDA7485 or PDA8485 If both data status LEDs TX and RX are off when trying to communicate Remove all unnecessary cables and meters Try getting the syste...

Page 20: ... 8990 www predig com LIM7232_N 02 19 How to Contact Precision Digital For Technical Support please Call 800 610 5239 or 508 655 7300 Fax 508 655 8990 Email support predig com For Sales Support or to place an order please Call 800 343 1001 or 508 655 7300 Fax 508 655 8990 Email sales predig com For the latest version of this manual please visit www predig com ...

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