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Quick Start
「
WF-2055」Package Checklist
The package includes the following items:
One WF-2055 module
One Quick Start
One software utility CD
One screw driver
One RS-232 cable (CA-0910)
One Antenna 2.4GHz - 5 dBi (ANT-124-05)
Note:
1.
If any of these items are missed or damaged, contact the local distributors
for more information. Save the shipping materials and cartons in case you
want to ship in the future.
2.
This document supports the RevB version for the WF-2055 module. For
the previous version, please refer the v1.x version quick start on the CD.
Appearance and pin assignments
Figure 1: Appearance of the WF-2055

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Table 1: I/O Connector - WF-2055
I/O Connector - WF-2055
Terminal No. Pin Assignment Terminal No. Pin Assignment
1
DI.COM
2
EXT.PWR
3
DI7
4
DO7
5
DI6
6
DO6
7
DI5
8
DO5
9
DI4
10
DO4
11
DI3
12
DO3
13
DI2
14
DO2
15
DI1
16
DO1
17
DI0
18
DO0
19
DI.GND
20
EXT.GND
Table 2: Power/Signal Connector
Power/Signal connector
Pin Assignment Description
F.G Frame Ground
+Vs +10 ~ +30 VDC
GND Power / RS-232 GND
RxD RS-232 RxD
TxD RS-232 TxD
Table 3: Operating Mode Selector Switch
Operating Mode Selector Switch
Mode Jumper Position Description
FW
Firmware update mode
OP
Firmware operation mode
Hardware Connection
Power and Serial port connection
The following figures describe the Power and the COM port to a serial device
via serial network.

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Figure 2: Power and Serial port wire connection
I/O connection
Figure 3: DI / DO wire connection