Rhombus EM901 card reader RS485 interface
Product Details:
| RFID card reader | Door card reader |
|---|---|
| Place of Origin | Guangdong, China (Mainland) |
| Brand Name | Rhombus |
| Model Number | Rhombus901-B |
Detailed Product Description
INTERFACE DESCRIPTION
NUMBER | COLOR | SYMBOL | DESCRIPTION |
1 | Red | VCC | Positive Power Supply |
2 | Black | GND | GND |
3 | Green | R+ | R+ output in RS485 interface |
4 | White | R | R output in RS485 interface |
CHARACTERISTICS
Absolute Maximum Ratings
ITEM | SYMBOL | VALUE | UNIT |
Power Supply | VCC | 15 | V |
Operating Temp | TOPR | 0~+70 | |
Storage Temp | TSTR | 55~+125 |
Electrical and Mechanical Specification
Under TA= 25 VCC= +5V unless specified
ITEM | SYMBOL | MIN | TYP | MAX | UNIT |
Power Supply | VCC | 5 | 15 | V | |
Current Supply | IC |
| 65 | 80 | mA |
Operation Freq. | FREQ | 100 | 125 | 150 | KHZ |
Effective Distance* | DIS | 0 | 100 | 150 | mm |
Decoding Time | TDEC |
| 65 | 100 | ms |
Effective Distance depends on tags and operating environment.
Note: Rhombus products must work with linear regulated power supply, and other kinds of power supply are prohibited.
Rhombus EM901 card reader RS485 interface
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Company Info
Shenzhen Rhombus-Idea Technology Co., Ltd.
[China (Mainland)]
[Verified Member]
City: Shenzhen
Province/State: Guangdong
Country/Region : China (Mainland)
Business Type:Manufacturer
Online Postings: Products