Account Logout

You have been logged off your account. It is now safe to leave the computer.

Your shopping cart has been saved, the items inside it will be restored whenever you log back into your account.

Shopping Cart
8-Channel Digital I/O Expansion Box - VK258

8-Channel Digital I/O Expansion Box - VK258

8-Channel Digital I/O Expansion Box

The VK258 8-Channel Digital I/O Expansion Box provides an additional eight channels of digital input/output for a flexible expansion of the ATEN Control System. This allows users to control more digital I/O devices such as various sensors dry contact devices PCs and motor-driven devices in environments where more devices need to be centrally controlled. With the advantage of the Ethernet-based connection the expansion box easily connects to the ATEN Controller via a LAN connection from different locations across a network.


 VK258 Diagram


I/O • 8 x Programmable Digital Input / Output Channel
(8 x 2-Pole Terminal Block Connector)
Digital Input:
– VDC Mode
Input Voltage Range: 0 to 24 VDC
Programmable Range: 1 to 24 VDC
– Dry Contact Mode
Pull-up 2k ohms to +12 VDC
Digital Output:
300 mA sink from 24 VDC
Ethernet • 1 x RJ-45 Female 10/100Base-T
• Supported Protocol: ARP ICMP TCP/IP DHCP HTTPS SSH
• DHCP-enabled. The following default IP settings will be used if no IP is assigned within 30 seconds:
Subnet Mask:
Controller ID 1 x 16-segment Switch
Expander ID 1 x 8-segment Switch
Reset Button 1 x Semi-recessed Pushbutton
USB 1 x USB Type A (Firmware upgrade only)
Power Consumption DC5V:2.2W:36BTU
Output 12 VDC 300 mA
Operating Temperature 0 – 50°C
Storage Temperature –20 – 60°C
Humidity 0 - 80% RH Non-Condensing
Physical Properties
Housing Metal
Weight 0.46 kg ( 1.01 lb )
Dimensions (L x W x H) 13.00 x 7.58 x 4.20 cm
(5.12 x 2.98 x 1.65 in.)