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LTMR08PFM
The Schneider Electric LTMR08PFM motor controller is designed for precise motor management in various applications. This unit supports Profibus DP as the network protocol and operates with a 2-wire RS-485 bus interface configuration, addressing up to 125 devices at speeds ranging from 9.6 kbps to 12 Mbps.
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Technical specifications for LTMR08PFM
| Manufacturer | Schneider Electric |
|---|---|
| Product Type | Motor controller |
| Product Line | TeSys |
| Part Number | LTMR08PFM |
| EAN | 3389119404815 |
| Weight | 1.00 lbs (0.45 kg) |
| Network Protocol | Profibus DP |
| Bus Interface | 2-wire RS-485, address 1–125; 9.6 kbps–12 Mbps |
| Logic Inputs | 6 digital |
| Logic Outputs | 3 relay |
| Output Switching Capacity | 5 A @ 250 VAC (AC-15); 5 A @ 30 VDC (DC-13) |
| Current Range | 0.4 – 8 A |
| Supply Voltage | 100 – 240 VAC, 50/60 Hz |
| Supply Current Draw | 8 – 62.8 mA |
| Operating Voltage Limits | 93.5 – 264 VAC |
| Rated Insulation Voltage | 690 V |
| Impulse Withstand Voltage | 4 kV (supply/IO); 6 kV (measurement); 0.8 kV (comms) |
| Short-Circuit Withstand | 100 kA (per IEC 60947-4-1) |
| Fuse Recommendations | 4 A gG (output); 0.5 A gG (control) |
The LTMR08PFM from Schneider Electric's TeSys series is engineered to manage motor operations effectively. As a motor controller, this model utilizes the Profibus DP protocol for networking, ensuring reliable communication across a two-wire RS-485 bus interface capable of addressing between 1 and 125 devices at communication speeds from 9.6 kbps to 12 Mbps.
Equipped with 6 digital logic inputs and 3 relay outputs, it provides significant functionality for various automation tasks. The output switching capacity reaches 5 Amps at 250 VAC (AC-15) and 30 VDC (DC-13), making it versatile in different operational environments. The current range supported by this device extends from 0.4 to 8 Amps, ensuring appropriate matching with motor requirements for efficiency.
This controller has a broad supply voltage range of 100 to 240 VAC, operating at both 50 and 60 Hz. The current draw from the supply is between 8 and 62.8 mA, and it can function effectively across a supply voltage operating window from 93.5 to 264 VAC. With a rated insulation voltage of 690 V, the unit withstands various electrical disturbances.
The controller also features impressive impulse withstand voltages of up to 4 kV for supply and I/O, 6 kV for measurement inputs, and 0.8 kV for communications, ensuring stability against voltage spikes. It can handle short-circuit conditions up to 100 kA in compliance with IEC 60947-4-1 standards. For optimal protection, it is advisable to use a 4 A gG fuse for output and a 0.5 A gG for control connections, ensuring safety and reliability in operation.
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