Autonics SCM Series Catalog Page
SCM Series
Communication Converter
The SCM series communication converters are available in various types, to oer easy signal conversion and
exibility for building diverse systems. Wireless, USB-RS485, RS232C-RS485, and USB-Serial are available.
SCM-WF48 SCM-38I SCM-US48I SCM-US
Wi-Fi/RS485·USB wireless
communication converter
RS232C/RS485
communication converter
USB/RS485
communication converter
USB/Serial
communication converter
Example of Configuration
Wi-Fi USB/RS232C/Wi-Fi
Autonics and KONICS products which support the PC loader port
DAQMaster
SCM Series
Communication converter
RS485/Serial
X-40
SCM-WF48
SCM-WF48
(Wi-Fi/RS485, USB wireless communication converter)
Features
Converting USB or RS485 signal to Wi-Fi signal and wireless
communication up to max. 100m
Compact size (W48×H25.6×L76.3mm, except antenna)
Built-in surge protection circuit, reverse polarity protection circuit
Supports AP mode and station mode
Various mounting methods (DIN rail, panel)
Please read “Safety Considerations”
in the instruction manual before using.
Specifications
Standard specifications
Model
Power supply 24VDC
Allowable voltage range 12-28VDC
Power consumption Approx. 3W
Communication type RS485, USB, Wi-Fi
Isolation resistance
Protection circuit Reverse polarity protection circuit, surge protection circuit
Dielectric strength 1,000VAC 50/60Hz for 1 min (between external terminal and case)
Noise resistance
Vibration 1.5mm amplitude at frequency of 10 to 55Hz (for 1 min) in each X, Y, Z direction for 2 hours
Shock 500m/s2 (approx. 50G) in each X, Y, Z direction for 3 times
Environ
-ment
Ambient temp. -10 to 55℃, storage: -20 to 60
Ambient humi. 35 to 80%RH, storage: 35 to 80%RH
Protection IP20 (IEC standard)
Mounting DIN rail or panel mounting
Accessories USB 2.0 Mini B type cable (length: 1m): 1 , Connector for RS-485 (4-pin, male type): 1
Approval
※
1
Weight
※
The weight is with packaging and the weight in parentheses is only unit weight.
1:
※
Environment resistance is rated at no freezing or condensation.
RS-485 communication specifications
Connection RS-485
Standard EIA RS-485
Communication method 2-wire half duplex
Synchronous method Asynchronous
Eective comm. distance Max. 800m
Communication speed
※
Data bit
Stop bit
Parity bit
1
※
1
※
1
Multi-drop Max. 31 multi-drop
Connection type 4-wire screw terminal (2-wire communication method)
※
1: You can set communication speed and stop bit, parity bit by DAQMaster.
Wi-Fi communication specifications
Protocol TCP/IP (IPv4)
Standard 802.11b/g/n (IEEE 802.11b) compatible
Comm. speed Max. 11Mbps
Freq. range 2.4 to 2.497GHz
Security WEP, WPA, WPA2-PSK, Enterprise
Antenna 2dBi external antenna
Comm. distance Max. 100m
SCM-WF48
ᜡ
ᜡ
Min. 200MΩ (at 500VDC megger between external terminal and case)
±500V the square wave noise (pulse width: 1㎲) by the noise simulator
℃
Approx. 160g (approx. 57g)
※
1
4800, 9600 (default), 19200, 38400, 57600, 115200bps
5-bit, 6-bit, 7-bit, 8-bit (default)
1-bit (default), 2-bit
None (default), Even, Odd
USB communication specifications
Power 5V, 500mA
Standard USB 2.0 (compatible sub-transmission)
Comm. method 2-wire half duplex
Connections USB 2.0 Mini B type (male)
Comm. distance Max. 1m ± 30%
SENSORS
CONTROLLERS
MOTION DEVICES
SOFTWARE
(J)
Temperature
Controllers
(K)
SSRs
(L)
Power
Controllers
(M)
Counters
(N)
Timers
(O)
Digital
Panel Meters
(P)
Indicators
(Q)
Converters
(R)
Digital
Display Units
(S)
Sensor
Controllers
(T)
Switching
Mode Power
Supplies
(U)
Recorders
(V)
HMIs
(W)
Panel PC
(X)
Field Network
Devices
X-41
SCM-WF48
Part Description
SCM-WF48
1
3
1. Wi-Fi antenna
: Antenna for transmitting and receiving Wi-Fi
communication data.
It may be broken when excessive pressure is applied.
2. Fixing screw hole
3. Rail Lock
4. Communication method switch
: Switch for select communication method.
2
5
6
7
4
8
USB
5. Terminating resistance switch
: Switch for whether using terminating resistance
(120Ω, 1% (F) grade chip resistance, 1/4W).
(only when selecting RS485 communication method.)
RT
6. Indicator
Mode
State
Green ON Power ON / AP ready Power ON
Red ON
OFF No power
7. RS485 connector
8. USB connector
: Used for fixing this unit at DIN rail mounting.
: Indicator for statue of AP mode and Station mode.
: Used for mounting the unit on a panel.
RS485
(default)
OFF
(default)
AP mode Station mode
Station or device
connection is complete
: Used for connecting RS485
: Used for connecting a PC, etc.
with an USB cable.
For setting SCM-WF48 via
※
DAQMaster, set USB.
RT: Uses terminating resistances.
OFF: Not use terminating
resistance.
AP connection is
complete
communication cable.
Comprehensive Device Management Program (DAQMaster)
DAQMaster is the comprehensive device management program.
Set the communication method switch of SCM-WF48 as USB, and connect this unit and a PC with USB cable.
You can set the communication setting for SCM-WF48 by DAQMaster.
Visit our website (www.autonics.com) and download DAQMaster.
< DAQMaster screen >< Computer specication for using software >
Item Minimum requirements
System
Operating
system
Memory 256MB or more
Hard disk More than 1GB of free hard disk space
VGA 1024×768 or higher resolution display
Others RS-232 serial port (9-pin), USB port
X-42
IBM PC compatible computer with Intel Pentium
Ⅲ
or above
Microsoft Windows 98/NT/XP/Vista/7/8/10
Wireless Communication Converter
Example of Connections
※
When wiring the RS485 connector, use AWG 24 cable and tighten the connector screw with a tightening torque of
0.22 to 0.4N.m with the screwdriver for M2 screw.
Cable connections
USB 2.0
A type (male)
USB 2.0 Mini
B type (male)
A BVG
+RS485
-RS485
Ground
24VDC
SENSORS
CONTROLLERS
MOTION DEVICES
SOFTWARE
Computer
Connection of SCM-WF48 and Multi-drop
B(-)
ON OFF
A(+)
GND
V(24VDC)
SCM-WF48
A(+) B(-) A(+) B(-) A(+) B(-)
RS485
DEVICE
AP mode
#1
Wi-Fi or
USB connection
Computer
SCM-WF48
Station mode
Wi-Fi or
USB connection
SCM-WF48
Terminating resistance (120Ω)
RS485
DEVICE
#2
RS485
Wi-Fi
Connectable max. 31 units of
Autonics products which support
communication
...
RS485
RS485
DEVICE
#30
B(-)
RS485
DEVICE
#31
A(+)
Connectable max. 31 units of
Autonics products which support
communication
(J)
Temperature
Controllers
(K)
SSRs
(L)
Power
Controllers
(M)
Counters
(N)
Timers
(O)
Digital
Panel Meters
(P)
Indicators
(Q)
Converters
(R)
Digital
Display Units
(S)
Sensor
Controllers
(T)
Switching
Mode Power
Supplies
(U)
Recorders
Computer
※
One wireless router can connect
max. up to 254 units of SCM-WF48.
Wireless router
Wi-Fi
SCM-WF48
RS485
Connectable max. 31 units of
Autonics products which support
communication
SCM-WF48
※
Before using this unit, set the communication method switch of SCM-WF48 as USB, and connect this unit and a PC
with USB cable. You can set the communication setting for SCM-WF48 by DAQMaster.
X-43
(V)
HMIs
(W)
Panel PC
(X)
Field Network
Devices
SCM-WF48
Dimensions
108.5
76.3
(unit: mm)
● Panel cut-out
41.52-Ø3.5
2-M3 TAP
93.4
Installations
②
39
45
35mm DIN rail
③
Fixing
screw hole
Mounting to and removing from DIN rail
Mounting
1) Hang up the backside holder on a DIN rail.
2) Press the unit toward ① direction until it snaps.
Removing
1) Pull rail locks of the backside of this unit to ②direction.
2) Pull the unit to ③ direction.
39
25.6
①
Rail Lock DIN rail
Mounting to panel
1) This unit is able to mount on a panel with two fixing screws at center of both sides.
2) For mounting the unit, use M3 screws. Tighten screws with 0.4N.m torque
X-44
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