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Secure I/O 2

Secure I/O 2


DESCRIPTION 

  1. The I/O device shall be an I/O expanding device capable of connecting with biometric/RF reader via RS-485 and controlling relays and external signal input. 

 

FEATURES 

  1. Encrypted communication with connected device 

  1. Compact size 

  1. Easy to installation 

  1. Supports 1 relay, 2 external inputs  

  1. RS-485, TTL, Relay interface



SPECIFICATIONS 

General 

CPU 

Cortex M 32MHz  

Memory 

128KB Flash + 20KB RAM 

LED 

Multi-Color 

Operating temperature 

-20°C ~ 50°C 

Storage temperature 

-40°C ~ 70°C 

Operating humidity 

0% ~ 80%, non-condensing 

Storage humidity 

0% ~ 90%, non-condensing 

Dimension (W x H x D) 

36 mm x 65 mm x 18 mm 

Weight 

Device: 37 g 

Bracket: 1 g 

Certificates 

CE, FCC, KC, RoHS 

Interface 

RS-485 

1ch Slave 

TTL Input 

2 Inputs 

Relay 

1 Relay 

Electrical 

Power 

Voltage: DC 12 V 

Current: Max. 200 mA 

Switch input VIH 

Min. 3V 
Max. 5V 

Switch input VIL 

Max. 1V 

Switch Pull-up resistance 

4.7kΩ (The input ports are pulled up with 4.7kΩ.) 

Relay  

Voltage: Max. 30 VDC 

Current: Max. 2 A 

 



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