M.1015.7940

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The M.1015.7940 servo cable features a line driver output with TTL A, B, I signals, a supply voltage for the encoder of 5 VDC, and encoder line count of 2000 lines. Part of the Kollmorgen Servo Cables series and made by Kollmorgen, it supports drive to 200/300 Hsm Series Motor and withstands storage temperatures from -40°C to 70°C.

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Product Description:

The M.1015.7940 motor power cable is a durable and powerful cable designed for use with Kollmorgen's high-performance 200/300 HSM series motors. As a vital product in industrial automation, the cable ensures precise signal transmission and power delivery for demanding applications. Designed with reliability in mind, the cable supports efficient motor operation across various environments.

The M.1015.7940 motor cable operates with an input voltage range of 100 to 240V AC RMS nominal and supports an input frequency of 47 to 63 Hz. The cable features a line driver output that delivers TTL A, B, and I signals with a logic 1 output of 2.5 VDC minimum at 20 mA and a logic 0 output of 0.5 VDC maximum at 20 mA. The encoder supply voltage is 5 VDC, with a maximum current draw of 300 mA. The encoder line count is 2000 lines, ensuring accurate position feedback. The cable offers various lengths ranging from 10 feet to 100 feet, with compatible part numbers M.1015.7940, 43, 44, and 45. The power cable is also designed to endure vibrations within a range of 10 to 2000 Hz at 2 g and withstand shocks up to 15 g at 11 msec in a half-sine waveform.

The M.1015.7940 cable supports operating temperatures between -5°C to 55°C and can be stored at temperatures ranging from -40°C to 70°C. The cable can function at altitudes up to 1500 meters (5000 feet) and operates in humidity levels of 5% to 90% non-condensing. The cable is built for longevity and precision, that makes it suitable for supporting complex encoder-driven motor systems. With a dependable design that ensures long-term performance, global shipment is provided by Wake Industrial for ease of our customers and we are giving a one year replacement warranty for the customer confidence.

Encoder line count
2000 lines
Encoder supply current
≤300 mA
Encoder supply voltage
5 V DC
Input voltage
100–240 V AC RMS
Line driver output
TTL A, B, I; high ≥2.5 V @20 mA; low ≤0.5 V @20 mA
Maximum operating altitude
1500 m (5000 ft)
Motor power cable lengths
10 to 100 ft
Motor power cable part numbers
M.1015.7940, M.1015.7943, M.1015.7944, M.1015.7945
Operating humidity
5% to 90% RH, non‑condensing
Operating temperature range
-5 °C to 55 °C
Shock resistance
15 g, 11 ms half‑sine
Storage temperature range
-40 °C to 70 °C

Frequently Asked Questions about M.1015.7940:

Q: Why does M.1015.7940 support a 5 VDC encoder supply?

A: The 5 VDC encoder supply ensures precise and stable power for the encoder. This maintains accurate position feedback without signal fluctuations.

Q: How does M.1015.7940 handle vibration resistance?

A: The cable endures 10 to 2000 Hz at 2 g vibration levels. This durability ensures consistent signal and power transmission during operation.

Q: Why is M.1015.7940 compatible with multiple lengths?

A: The cable’s availability from 10 to 100 feet provides flexibility. This allows users to adapt installations to different machine setups.

Q: Does M.1015.7940 function in high-altitude conditions?

A: Yes, it operates reliably at up to 1500 meters (5000 feet). This supports its use in elevated industrial locations or facilities.

Q: Do the TTL outputs improve signal reliability in M.1015.7940?

A: The TTL A, B, and I outputs provide precise logic levels. This ensures clear and dependable communication with motor controllers.


Internal Product Review

  • ‘‘The M.1015.7940 motor cable offers exceptional vibration resistance of 10 to 2000 Hz at 2 g. Its TTL output provides accurate signal control for 2000-line encoders. The cable’s wide input voltage range and compatibility with lengths up to 100 feet make it a durable and flexible option.’’

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