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Serial Communication Converters & Adapters
Instruction Manual
APMA7232 RS-232 Serial
Adapter
ACC1000 USB Serial
Adapter
•
Provide Convenient Way to Bring Data from Meter Into PC, PLC, etc.
•
RS-232 and RS-485 Adapters Available
•
USB to RS-485 and RS-232 Converters Available for APM765 and VPM3000 Meters
•
ACC1000 USB Adapter Great for Programming APM765 and VPM3000 Meter
ACROMAG INC.
30765 S Wixom Road • Wixom MI 48393 USA
Tel (248) 624-1541 •
www.acromag.com
APMA7422 RS-485 Serial
Adapter
ACC1002 USB to RS-232
Converter
ACC1001 RS-232 to
RS-485 Converter
ACC1003 USB RS-485
Converter
8501-184
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Summary of Contents for Acromag APMA7232
- Page 1 Serial Communication Converters & Adapters Instruction Manual APMA7232 RS-232 Serial APMA7422 RS-485 Serial ACC1001 RS-232 to Adapter Adapter RS-485 Converter ACC1000 USB Serial ACC1002 USB to RS-232 ACC1003 USB RS-485 Adapter Converter Converter • Provide Convenient Way to Bring Data from Meter Into PC, PLC, etc.
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Page 2: Introduction
Anyone using these products for such applications does so at his/her own risk. Acromag Inc. shall not be held liable for damages resulting from such improper use. Ordering Information Model... -
Page 3: Table Of Contents
ACC1003 USB to RS-485 Converter ............... 6 USB Drivers for Serial Communications Adapters ........6 DIN Rail Mounting Instructions ................7 Serial Communications Overview ..............8 APMA7232 RS-232 Serial Adapter ..............9 Description ....................... 9 Installation ......................9 Connections ..................... 9 APMA7420 Meter Copy Cable ................ - Page 4 Serial Communication Converters & Adapters Instruction Manual Table of Figures Figure 1. DIN Rail Clips Mounted to Expansion Module ........7 Figure 2. Hinge & Latch End of DIN Rail Clip ............ 7 Figure 3. DIN Rail Clips Mounted to Module ............. 7 Figure 4.
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Page 5: Specifications
(43 mm x 24 mm x 83 mm) details. (W x H x D) Distance RS-232 connection: 50' (15 m) max; APMA7232 RS-232 Adapter RS-485 connection: 3,937' (1,200 m) max Compatibility EIA-232 Number of Units Up to 31 RS-485 compatible devices... -
Page 6: Acc1003 Usb To Rs-485 Converter
Serial Communication Converters & Adapters Instruction Manual ACC1003 USB to RS-485 USB Drivers for Serial Converter Communications Adapters Compatibility USB 1.1, USB 2.0, EIA-422, and USB Drivers for serial communications adapters are EIA-485 available for download from the Documentation CD Connectors Screw terminal connector and USB provided with every product. -
Page 7: Din Rail Mounting Instructions
Serial Communication Converters & Adapters Instruction Manual amount of strain the wiring might place on the module DIN Rail Mounting mounting needs to be considered also. In many cases, DIN rail with double-sided tape might be acceptable, although not Instructions recommended in areas of high vibration or extreme hot or cold temperatures. -
Page 8: Serial Communications Overview
Serial Communication Converters & Adapters Instruction Manual Figure 9 illustrates how to connect a general four-wire Serial Communications network (a four-wire network actually contains 5 wires). Overview RS-232 and RS-485 are standard interfaces approved USB to RS-485 RS-422/485 DEVICE by the Electronic Industries Alliance (EIA) for connecting serial devices. -
Page 9: Apma7232 Rs-232 Serial Adapter
Figure 12 shows the APMA7420 cable details. Figure 12. Standard Modular Cable Wiring APMA7420 Meter Copy Cable Description The APMA7232 converts the serial output of the APM765/VPM3000 meter to an unbalanced, full-duplex RS-232 signal. The RS-232 port has a female DB9 connector with pins 2 (RX output), 3 (TX input), and 5 (Signal Ground). -
Page 10: Apma7422 Rs-485 Serial Adapter
Serial Communication Converters & Adapters Instruction Manual APMA7422 RS-485 Serial Adapter Description The APMA7422 converts the serial output of the APM765/VPM3000 meter to balanced, full or half- duplex RS-485 signals. Figure 14. RS-422 or RS-485 Wiring The APMA7422 has a removable screw terminal Notes: connector for the 485 terminals which includes Transmit Termination resistors are optional and values... -
Page 11: Connections
Serial Communication Converters & Adapters Instruction Manual Connections ACC1001 RS-232 to RS-485 Converter A APMA7420 cable is provided to connect the APM765/VPM3000 meter to the APMA7422 adapter. Figure 16 shows the APMA7420 cable details. (WH) 1 (BK) 2 (R) 3 (G) 4 (Y) 5 (BL) 6... -
Page 12: Connections
Serial Communication Converters & Adapters Instruction Manual To configure a two-wire network set both of the 2 WIRE Connections switch positions to ON (up). For a four-wire network set both of the 2 WIRE switches to OFF (down). To power the ACC1001, connect 12 VDC to the +12VDC and ground to the GND screw terminals from When the RS-422 switch position is ON (up) it is the supplied 115 VAC/12 VDC adapter. -
Page 13: Acc1000 Usb Serial Adapter
APM765/VPM3000 meter to a PC using a ACC1000 USB Serial Adapter. Figure 24 shows the connection of a APM765/VPM3000 meter to a PC using a ACC1002 USB to RS-232 Converter, APMA7232 RS-232 adapter, and the APMA7420 Modular Cable. USB Serial Adapter... -
Page 14: Acc1003 Usb Rs-485 Converter
Serial Communication Converters & Adapters Instruction Manual ACC1003 USB RS-485 Installation Converter The DIP switch SW1 allows for several different options. Factory settings for the switch are shown in Figure 25. Switch in ON/UP 1 2 3 4 5 Position Description Figure 25. -
Page 15: Connections
Serial Communication Converters & Adapters Instruction Manual Connections The ACC1003 is powered by the USB port. The ACC1003 can be configured for either a four-wire or two-wire network. Figure 27 details the wiring connections from the ACC1003 to an RS-485 serial device in a four-wire network. -
Page 16: Troubleshooting
Serial Communication Converters & Adapters Instruction Manual Troubleshooting Symptom Check/Action Power LED is off APMA7232 or APMA7422 Check modular cable connection Check power to meter ACC1001 Check wall plug adapter output Check power connection polarity ACC1003 Check USB connections Try different USB port... - Page 17 Serial Communication Converters & Adapters Instruction Manual Contact Acromag Inc Support Call: (248) 624-1541 Email: answers@acromag.com For the latest version of this manual please visit www.acromag.com ACROMAG INC. 30765 S Wixom Road • Wixom MI 48393 USA Tel (248) 624-1541 •...
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