GV-IO BOX 4 Ports


The GV-IO Box 4 provides 4 inputs and 4 relay outputs. It supports both DC and AC output voltages, and provides a USB port for PC connection.
OS Supported 32-bit Windows XP / Vista / 7 / 8 / Server 2008
64-bit Windows 7 / 8 / Server 2008 R2 / Server 2012
Compatible S/W GV-System version 8.2 or above
Input Input 4
Input Signal Dry Contact
Wet Contact, 9-30V AC/DC
Communication Relay Output 4
Relay Status Normal open
Relay Capacitance USB Connection 30 VDC, 3A
RS-232 / 
RS-485 Connection
125 / 250 VAC, 3A
30 VDC, 3A
DC IN DC 12V, 1A
Address 0-9, A-F
Terminal Resistance 120 ohm
Environmental Conditions 0 ~ 50 °C / 32 ~ 122 °F
5% ~ 95% (non-condensing)
Dimensions W x H x D) 111.4 x 27.5 x 101 (mm) / 4.39 x 1.08 x 3.98 (in)