
S-32
SCM Series
RS485 communication specifications
Connection RS485
Standard EIA RS485
Protocol Modbus RTU
Com. method 2-wire half duplex
Synchronous method Asynchronous
Effective com.
distance Max. 800m
Com. speed※1
4800, 9600, 19200, 38400, 57600,
115200bps
(factory default: 115200bps)
Data bit※15bit,6bit,7bit,8bit(factory default:8bit)
Stop bit※11bit, 2bit(factory default: 1bit)
Parity bit※1None, Even, Odd(factory default: None)
Multi-drop Max. 31 Multi-drop
Connection type 4-wire screw terminal
(2-wire communication method)
※1: You can set this by DAQMaster.
Wi-Fi communication specifications
Protocol TCP/IP(IPv4)
Standard 802.11 b/g/n(IEEE 802.11b) compatible
Com. speed Max. 11 Mbps
Frequency range 2.4 to 2.497 GHz
Security WEP, WPA, WPA2-PSK, Enterprise
Antenna 2dBi external antenna
Com. distance Max. 100 m
USB communication specifications
Power 5 V, 500 mA
Standard USB 2.0(compatible sub-transmission)
Com. method 2-wire half duplex
Connections USB 2.0 Mini 5P type(Male)
SCM-WF48
Model SCM-WF48
Power supply 24VDC
Allowable voltage range 12-28VDC
Communication type RS485, USB, Wi-Fi
Isolation resistance Min. 200 MΩ(at 500 VDC megger between external terminal and case)
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 ±500 V the square wave noise(pulse width: 1㎲) by the noise simulator
Vibration 1.5 mm amplitude at frequency or 300m/s2 of 10 to 55 Hz(for 1min.) in each of X, Y, Z directions for 2 hours
Shock 500m/s2(approx. 50G) in each of X, Y, Z directions for 3 times
Environ
-ment
Ambient
temperature -10 to 55℃, storage: -20 to 60℃
Ambient humidity 35 to 80%RH, storage: 35 to 80%RH
Protection IP20(IEC standards)
Mounting DIN rail or panel mounting
Accessories USB 2.0 Mini 5P type cable (length: 1 m),
Connector for RS-485 (4-pin, male type) 1EA
Weight※1Approx. 160g(approx. 57g)
※1: The weight is with packaging and the weight in parentheses is only unit weight.
※Environment resistance is rated at no freezing or condensation.
SCM-US48I / SCM-38I / SCM-US
Specifications
Model SCM-US48I SCM-38I SCM-US
Power supply 5VDC USB bus Power 12-24VDC ± 10% 5VDC USB bus Power※1
Power consumption Max. 1W Max. 1.7W Max. 1W
Max. com speed※21,200 to 115,200bps(Recommended : 9,600bps)
Communication type Half duplex type
Available com. distance USB: Max. 1m ± 30%
RS485: Max.1.2km Max. 1.2km 1.5m(not extension)
Multi-drop Max. 31 multi-drop
-
Protocol※2
Data bit 5 to 8 data bits
-
Stop bit 1 or 2 stop bits
-
Parity bit None/Odd/Even
-
Connection type
USB: B type connector RS232: D-sub 9Pin USB: A type connector
RS485: 4-wire screw terminal(2wire communication type) Earphone jack(4 pole stereo phone
plug)
Isolation type Isolation Non-isolation
Dielectric strength
●Between terminals and case:
200VAC 50/60Hz for 1 min.
●Between USB and RS485:
2500VAC 50/60Hz for 1 min.
●Between terminals and case:
200VAC 50/60Hz for 1 min.
●Between RS232C and RS485:
2500VAC 50/60Hz for 1 min.
-
※1: USB bus power is supplied from PC or USB host controller.
※2: Protocol and communication speed are set by Hyper terminal. DAQMaster, ParaSet, Modbus Poll.
When communicating with Autonics products, set communication speed to 9,600bps.