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Motion.Net 16-Channel Input/16-Channel Output Slave



The MN-3254(T) is an I/O expansion device for Motionnet systems, and is equipped with 16 isolated digital input channels and 16 isolated digital output channels. Each Motionnet communication line can be connected to up to 64 modules, meaning that the I/ O can be expanded to up to 1024 input channels and 1024 output channels. The communication time required by each MN-325x is 15.1 us. If 64 modules have been connected, signals for 2048 points on 64 modules can be sent and received within 0.97 msec. The update of the I/O status is completed automatically through the Motionnet system at a constant interval, and setting interrupts for specific input points that the customer wants to monitor can help prevent CPU time from being wasted by repetitive polling when there is nothing else for the issuing process to do. Each input port can be specified as either NPN or PNP (12 ~ 24 V), and the internal flywheel diodes of each output port can be individually connected to different sources of power (each port is comprised of 8 I/O signals).


Digital Input
Input Channels 16
Input Type Sink/Source (NPN/PNP)
On Voltage Level +10 ~ 30 VDC
Off Voltage Level +3 VDC max.
Input Impedance 4.7 KΩ
Isolation Voltage 3000 Vrms
Digital Output
Output Channels 16
Output Type Open Collector (Sink), with internal flywheel diode
Load Voltage +30 VDC max. 
Load Current 200 mA max. for each channel
Isolation Voltage 3000 Vrms
LED Indicators Communication state (Link, Error)
Input/output state
Internal 3.3 V Power
Termination resistor switch
Communication Speed Selectable 2.5, 5, 10 or 20 Mbps by DIP Switch
Cyclic scan time 15.1 µs per device (20 Mbps)
Communication Connector MN-3254: RJ-45 x 2
MN-3254T: 5-pin terminal block
I/O Connector 13-Pin pluggable terminal block x4

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