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Servo Systemler
MN-3257/MN-3257T
Motion.Net 32-Channel Output Slave
Introduction
The MN-3257(T) is an I/O expansion device for Motionnet systems, and is equipped with 32 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 2048 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. 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).
Specification
| Digital Output | |
| Output Channels | 32 |
| 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 |
| Interface | |
| 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 |