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The DTCA‑2V01 acts as a slave station on the PROFINET side.
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At the serial‑port side, it can function as a Modbus master or slave station, and supports custom‑defined protocols (depending on specific protocols).
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It supports the standard PROFINET IO protocol.
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PROFINET supports up to 32 slots, with a maximum input byte count of 384 and a maximum output byte count of 384. (The usable length is limited by the PDU size of the specific PLC and communication module.) The byte lengths of input and output can be configured via host‑computer master‑station software such as TIA Portal or STEP7.
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Supported module types are as follows:
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Input 001 byte
Input 002 bytes
Input 004 bytes
Input 008 bytes
Input 016 bytes
Input 032 bytes
Input 064 bytes
Input 128 bytesOutput 001 byte
Output 002 bytes
Output 004 bytes
Output 008 bytes
Output 016 bytes
Output 032 bytes
Output 064 bytes
Output 128 bytes
Input / Output 00l byte
Input / Output 002 bytes
Input / Output 004 bytes
Input / Output 008bytes
Input / Output 016 bytes
Input / Output 032 bytes
Input / Output 064 bytes
Input / Output 128 bytes
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It features two serial ports: Serial Port 1 supports RS485 and Serial Port 2 supports RS232. Both serial ports can serve as communication ports and support simultaneous communication.
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Supported protocol types on the serial‑port side:
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Modbus master station, Modbus slave station, custom‑defined protocol, and general mode (receive‑only mode, query‑response mode).
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Serial‑port Parameters
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Operation mode: Half‑duplex;
Baud rate: Optional 300, 600, 1200, 2400, 4800, 9600, 19.2K, 38.4K, 57.6K, 115.2Kbps
Data bits: 7‑bit, 8‑bit;
Parity bit: Optional None, Odd, Even, Mark, Space;
Stop bits: Optional 1‑bit, 2‑bit.
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Modbus Master:
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Function codes: 01H, 02H, 03H, 04H, 05H, 06H, 0FH, 10H.
Format: RTU format and ASCII format.
Functions: Optional functions including continuous output by write command, output disable, change‑triggered output and one‑shot output.
Up to 100 Modbus commands can be configured for each master station.
When Serial Port 1 (RS485) and Serial Port 2 (RS232) work simultaneously as Modbus master stations to connect slave devices: Serial Port 2 supports 1 Modbus slave device; Serial Port 1 can be configured with up to 3 nodes, i.e. maximum 3 Modbus slave devices.When Serial Port 1 operates alone as a Modbus master station, it supports up to 4 nodes, i.e. maximum 4 Modbus slave devices.
Byte swap: Read‑write commands support no swap, 2‑byte swap, 4‑byte register swap, and 4‑byte endianness swap.
Supports 10 status words.
Supports timeout‑zeroing / hold setting for input data.
Supports auto‑degradation.
Supports control word function; options include Disable, All Commands, and Write‑only Commands.
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Modbus Slave:
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Function codes: 01H, 02H, 03H, 04H, 05H, 06H, 0FH, 10H.Format: RTU format and ASCII format.
Supports IO status words.
Byte swap: Supports no swap, 2‑byte swap, 4‑byte register swap, and 4‑byte endianness swap.
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Power Supply:
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24VDC(9V~30V)，250mA(24VDC)
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Operating Ambient Temperature:
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‑20 ℃ ~ 60 ℃; Operating ambient humidity: 5%‑95% (non‑condensing)
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Built‑in ESD Protection:
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34 mm (W) × 116 mm (H) × 107.4 mm (D)
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Ingress Protection Rating:
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IP20
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Mounting Method:
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35mm DIN‑rail
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