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PDF ADAM-4521 Data sheet ( Hoja de datos )
| Número de pieza | ADAM-4521 | |
| Descripción | Addressable RS-422/485 to RS-232 Converter | |
| Fabricantes | ETC | |
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ADAM-4521
Addressable RS-422/485
to RS-232 Converter
Features
• Built-in microprocessor
• Transmission speed up to 115.2 Kbps
• 1000 VDC isolation
• Surge protection on RS-485 line
• RS-232 and RS-485 can be set to different baud rates
• Automatic RS-485 data flow control
• Watchdog timer function included
• Power and data flow indicator for troubleshooting
• Software configurable to either addressable or non-
addressable mode
• Easily mounted on DIN rail, panel or piggyback
• All communication setups stored in EEPROM
Introduction
ADAM-4521 is an intelligent RS-422/485 to RS-232 converter
specifically designed to connect RS-422/485 devices to an RS-232
network. RS-232 is the most common transmission standard.
Although widely available on most computer systems, measurement
equipment, PLCs, and industrial devices, its transmission speed,
communication distance, and especially networking capability are
limited due to unbalanced transmission. The ADAM-4521
addressable converter solves this problem and lets you easily build
up an RS-485 network with your RS-232 devices by assigning each
one an address for easier communication.
Built-in Intelligence
ADAM-4521 is equipped with a built-in microprocessor, which uses
two UARTs and automatically processes data before transmitting it
to the RS-232 device. This allows ADAM-4521 to handle different
baud rates between RS-232 devices and the RS-485 network. The
microprocessor also verifies whether the data is transmitted with the
appropriate address, which enables each RS-232 device on the
RS-485 network to communicate with your PC over long distances.
• Case: ABS with captive mounting hardware
• Accessories (included): Nylon DIN-rail mounting adapter, SECC
panel mounting bracket
• RS-232 interface connector: Female DB-9
• RS-422/RS-485 interface connector: Plug-in screw terminal
(accepts AWG 1-#12 or 2-#14~#22 (0.5 to 2.5mm2) wires
• Operating temperature: -10 to 70° C (14 to 158° F)
• Dimensions: 60 mm x 120 mm (2.36" x 4.41")
• Power consumption: 1 W
Ordering Information
u ADAM-4521: Addressable RS-422/485 to RS-232 Converter with
1000 VDC Isolation
RS-485 network with Automatic Data Flow Control
The RS-485 standard supports half-duplex communication, meaning
a single pair of wires is used to both transmit and receive data.
Handshaking signals such as RTS (Request To Send) are normally
used to control the direction of the data flow, but a special I/O circuit
in the ADAM-4521 automatically senses the direction of the data flow
and switches the transmission direction. No handshaking signals are
necessary.
Specifications
• Transmission speed (bps): 300, 600, 1200, 2400, 4800, 9600,
19.2 K, 38.4 K, 57.6 K, 115.2 K (software configurable)
• Power requirement: Unregulated +10 to +30 VDC Module is
protected from power reversals
System Configuration
6-22
Daughterboards and Modules
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet ADAM-4521.PDF ] | |
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