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研华BB-485OPDRI（ULI-234TCI）RS-422/485 三层隔离中继器，其数据传输速率高达115.2 Kbps，内置可切换偏置& 终端。
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Specifications
Serial Technology
| Model: | Data Rate (max): | Biasing: | Termination: |
| ULI-234TC | 115.2 kbps | - | - |
| ULI-234TCH | 1.5 Mbps | ||
| ULI-234TCI | 115.2 kbps | Built-in, switchable, 1.2KΩ, TX/RX | Built-in, switchable, 120Ω |
| ULI-234TE |
| Model: | Industrial Protocol: |
| ULI-234TC | Modbus ASCII / RTU |
| ULI-234TCH | |
| ULI-234TCI | Allen-Bradley® 1747-AIC 485 (DH-485), Modbus ASCII / RTU |
| ULI-234TE | Modbus ASCII / RTU |
Isolation & Surge Suppression
|
Model: |
Optical Isolation: |
Isolated Lines: |
Surge Suppression: | Surge Rating: |
|
ULI-234TC |
2 kV |
Input, output |
500 W, TVS |
6.5V bi-directional avalanche breakdown device,
500W peak power dissipation, <1 psec, response time |
| ULI-234TCH |
600 W, TVS |
12V bi-directional avalanche breakdown device. 600 W peak power dissipation,
< 1 psec respones time |
||
| ULI-234TCI | Input, output, power | |||
| ULI-234TE |
Power
| Model: | Connector: | Input: | Source: | Consumption: |
| ULI-234TC |
Terminal block |
10 to 30 Vdc |
External, not included |
0.7 W |
| ULI-234TCH | 1.9 W | |||
| ULI-234TCI | 10 to 48 Vdc | 0.5 W | ||
| ULI-234TE | 0.5 W |
Mechanical
| Model: | Enclosure: | Dimensions, mm: | Mounting: | Weight, gm |
| ULI-234TC |
IP20 plastic |
25 x 79 x 106 | DIN rail, panel mount option | 90.72 |
| ULI-234TCH | 25 x 79 x 95 | |||
| ULI-234TCI | 115.1 x 89.6 x 32.1 | DIN rail | 222.0 | |
| ULI-234TE | IP30 metal | 132 x 93 x 31 | Panel mount | 208.65 |
Meantime Between Failures (MTBF)
| Model: | Hours: |
| ULI-234TC | 225299 |
| ULI-234TCH | 117376 |
| ULI-234TCI | 114696 |
| ULI-234TE | 122832 |
Environmental
|
Model: |
Operating Temperature: | Storage Temperature: |
Operating Humidity: |
| ULI-234TC |
-40 to +80 °C |
-40 to +85 °C |
0 to 95%, non-condensing |
| ULI-234TCH | |||
| ULI-234TCI | |||
| ULI-234TE | -40 to +85 °C |
Ordering Information
| Model | Part Number to Order | Description |
| ULI-234TC | BB-485OPDR | Industrial Isolated RS-422/485 Repeater – 2 kV 2-way Isolated, 115.2 kbps, wide operating temperature range. PSU not included. |
| ULI-234TCH | BB-485OPDR-HS | Industrial Isolated RS-422/485 Repeater – 2 kV 2-way Isolated, 1.5 Mbps, wide operating temperature range. PSU not included. |
| ULI-234TCI | BB-485OPDRI | Industrial Isolated RS-422/485 Repeater – 3 kV 2-way Isolated, 115.2 kbps, wide operating temperature range. PSU not included. |
| ULI-234TCE | BB-485OPDRI-PH | Industrial Isolated RS-422/485 Repeater – 3 kV 2-way Isolated, 115.2 kbps, wide operating temperature range. PSU not included. |
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