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BB-485OPDRI

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。

数据传输速率高达115.2 Kbps
信号传输距离延伸至1.2km(4000英尺)
宽工作温度：-40 至 85°C
电源输入功率：10 ~ 48 VDC
2kV 三重隔离
通过UL C1D2 防爆认证
内置可切换偏置& 终端

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Specifications

Serial Technology

Data Rate, Biasing, Termination

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

LED Indicators Data flow, Power
RS-422/485 Connector Terminal block
RS-422/485 Signals TDA(-), TDB(+), RDA(-), RDB(+), GND
RS-422/485 Modes RS-485 2-wire or 4-wire, RS-422 4-wire
Industrial Bus

Model:	Industrial Protocol:
ULI-234TC	Modbus ASCII / RTU
ULI-234TCH	Modbus ASCII / RTU
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		10 to 30 Vdc		1.9 W
ULI-234TCI		10 to 48 Vdc		0.5 W
ULI-234TE		10 to 48 Vdc		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	DIN rail, panel mount option	90.72
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)

Calculation Method MIL217F Parts Count Reliability Prediction

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.