User`s manual

VPort 251 User’s Manual Getting Started
ATTENTION
The maximum current and power capacity of the relay output is 24 VDC @ 1A. Please be careful
not to exceed this power specification.
ATTENTION
Before connecting the VPort to the DC/AC power inputs, make sure the DC power source voltage
is stable.
Wiring the Digital Inputs
The VPort 251 has one digital input channel, labeled DI. Two contacts on the 5-pin terminal block
on the VPort’s top panel are used to connect to this DI.
STEP 1: Insert the negative (ground)/positive
DI wires into the ┴/I1 terminals.
STEP 2: To keep the DI wires from pulling
loose, use a small flat-blade screwdriver to
tighten the connector.
STEP 3: Insert the plastic terminal block
connector prongs into the terminal block
receptor, which is located on VPort 251’s top
panel.
RS-232 Connection
The VPort 251 has one RS-232 (10-pin RJ45) console port, located on the top panel. Use either an
RJ45-to-DB9 or RJ45-to-DB25 cable (see the cable following wiring diagrams) to connect the
VPort 251’s console port to your PC’s COM port. You may then use a console terminal program,
such as Moxa PComm Terminal Emulator, to access the VPort 251’s console configuration utility.
RJ45 (10-pin) Console Port Pinouts
Pin Description
1 ---
2 DSR
3 ---
4 GND
5 TxD
6 RxD
7 GND
8 ---
9 DTR
10 ---
110
2-15