10
communication interface.
USB HOST
USB host port
For external U disk, wireless LAN and other expansion
devices.
RS-232
RS-232 serial port Serial communication interface with control reader.
Other
I/O interface
See detailed definition 2.4.2.
2.4.2 I/O Interface definition
Image 2-4 Sketch map of I/O control interface
I/O control signal define as follow form 2-3
Form 2-3 I/O control signal definitions
PIN
Identification
PIN Description
R1
Relay Output # 1; DC_MAX: 30V, 2A; AC_MAX: 125V, 0.3A; logic '0'
indicates the open, a logic '1' means close, the default is open.
L1
Relay output # 1, DC_MAX: 30V, 2A; AC_MAX: 125V, 0.3A; logic '0'
indicates the open, a logic '1' means close, the default is open
R2
Relay output # 2, DC_MAX: 30V, 2A; AC_MAX: 125V, 0.3A; logic '0'
indicates the open, a logic '1' means close, the default is open.