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AD-8551R

Product catalog summary

Overview: The AD-8551R is an RS-232C to RS-485 converter designed for connecting multiple balances and scales to PLCs, HMIs, and PCs. It supports two communication protocols: Modbus-RTU and Command mode, allowing up to 31 devices to be connected.

Specifications: The converter operates with a power supply voltage of DC 12 to 24 V, with a power consumption of 2 W max. It functions within a temperature range of -10ºC to +50ºC and up to 85% relative humidity without condensation. The device dimensions are 35.3 mm (W) x 110.0 mm (H) x 101.3 mm (D), and it weighs approximately 170 g.

Connectivity: The AD-8551R features one RS-232C port for connecting to weighing devices and one RS-485 port for control equipment. It can be mounted on a DIN rail and is compatible with various A&D weighing instruments, including models like AD-4212C, FX-i, and GX-A.

Indicators: The device includes LED indicators for power status, data reception, and transmission, providing clear communication status and error display.

Additional Information: The AD-8551R can be powered by specific A&D models or require an external power supply for others. Connection methods and cable requirements vary by model, and users should refer to the instruction manual for detailed guidance.

Catalog excerpts

Multiple balances and scales can be connected to a PLC, HMI and PC Two selectable communication protocols (Modbus-RTU, Command mode) Up to a maximum of 31 sets can be connected to a PLC or PC Din rail mounting type

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Connection example Connectable weighing instruments Weighing module Analytical balance Precision balance Compact balance Counting scale GX-A, GF-A, HR-A, and HR-AZ. A power supply is required when connecting the AD-8551R to other models. * The AD-8551R can be connected to the AD-4212C and AD-4212D with a standard accessory cable. Other models require an optional cable. * Please refer to the instruction manual for details on the connection method. Power supply voltage Power consumption RS-485 ×1 (for connecting to control equipment) RS-232C ×1 (for connecting to weighing devices) Operating conditions...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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