Key facts
- Manuals
- 1
- Languages
- ZH
- Last added
- 2012-03-16
Featured DK251光隔离型接口转换器 manuals
DK251 Optical Isolation Interface Converter User Manual
The DK251 optical isolation interface converter complies with RS-232C, RS-422 and RS-485 standards. It converts single‑ended RS‑232 signals to balanced differential RS‑422/RS‑485 signals, provides 3500 V isolation, and includes TVS protection against lightning and ESD. The RS‑232 side uses a DB25 female connector, while the RS‑422/RS‑485 side uses four‑pin terminal blocks, allowing point‑to‑point or point‑to‑multi‑point connections up to 32 devices with data rates from 0 to 115.2 kbps.
The manual covers performance parameters, installation steps, wiring diagrams, and troubleshooting. It details the switch settings for RS‑232→RS‑422 or RS‑232→RS‑485 conversion, power requirements (9 V input), operating temperature (-25 °C to 70 °C), dimensions (12 mm × 54 mm × 25 mm), and protection levels (1 kV ESD on RS‑232, 600 W surge per line on RS‑422/RS‑485). Fault diagnosis procedures include checking connector connections, power supply, and switch position. This manual is written in Chinese.
Covers: Performance Parameters · Interface Characteristics · Installation and Setup · Connection Diagrams · Troubleshooting
Latest DK251光隔离型接口转换器 manuals
DK251 Optical Isolation Interface Converter User Manual
User Manual 2 pages · 188 KB · ZHThe DK251 optical isolation interface converter converts RS-232 signals to RS-422/RS-485 with 3500 V isolation and supports up to 32 devices.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in DK251光隔离型接口转换器 manuals
How do I switch the DK251 from RS‑232 to RS‑422 mode?
Set the DK251 interface converter switch to the RS‑422 position.
From: DK251 Optical Isolation Interface Converter User Manual
What is the maximum number of devices that can be connected in a multi‑drop RS‑422/RS‑485 network?
The DK251 can connect up to 32 RS‑422 or RS‑485 devices in a point‑to‑multi‑point configuration.
From: DK251 Optical Isolation Interface Converter User Manual