S7120S-NAPMNA
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The S7120S-NAPMNA solenoid valve operates as a 3/2-way normally closed valve with a DIN terminal electrical entry, a response time of 18 ms or less, and a pressure range of 0.15 to 0.7 MPa. Part of the S700 Servo Drives series by Kollmorgen, it functions efficiently within a temperature range of -10°C to 50°C.
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Product Description:
The S7120S-NAPMNA is a motion control digital amplifier from the S700 series manufactured by Kollmorgen. It accepts three-phase input voltage from 208 to 480 V AC while delivering a steady output current of 12 A. Under dynamic load conditions the device can deliver peak output currents of 30 A during a two second period and 24 A for five seconds.
The S7120S-NAPMNA servo amplifier incorporates EtherCAT and CANopen communication interfaces along with an RS232 port for service use and diagnostics at ports X7A/X7B/X6. The S71 controller maintains slot 1 empty while slot 2 contains a Pos I/O monitor expansion card as its sole installation. It functions at 9 kVA maximum power output while running with a 900 V peak DC bus voltage. The drive requires a dedicated 24V DC auxiliary power supply for controlling electronics which operate independently from the main source. The S7120S servo amplifier utilizes forced airflow from an internal blower and operates simultaneously with mandatory vertical cabinet placement. The enclosure is at IP20 rating and requires installation inside a controlled cabinet area. The S7120S servo amplifier can be stored under thermal conditions between -13°F to 131°F and ambient working temperature up to 104°F with non-moist humidity levels not exceeding 95%.
The S7120S-NAPMNA servo amplifier has a physical structure that measure 345 mm height by 70 mm width and 245 mm depth. It features X0 port for main power access along with X4 for auxiliary 24VDC, X8 for brake resistor and DC bus connections while X9 for motor and holding brake control connections. The S7120S servo amplifier’s digital and analog I/O interfaces can be found on X3A/B and X4A/B along with feedback device connections on X1, X2 and X5.
Frequently Asked Questions about S7120S-NAPMNA:
Q: Why does the S7120S-NAPMNA require a separate 24V auxiliary supply?
A: This ensures that control electronics remain functional during main power interruptions, allowing for safe shutdowns and persistent communication with controllers.
Q: What advantage does the PosI/O-Monitor card in Slot 2 provide in the S7120S-NAPMNA?
A: It enables precise position and I/O monitoring, allowing for tighter integration with motion control feedback systems in automation environments.
Q: How does forced airflow from the internal blower enhance S7120S-NAPMNA performance?
A: It maintains optimal thermal conditions under dynamic load, extending the drive’s operating life and sustaining peak output currents.
Q: What benefits does the RS232 port (X6) offer in the S7120S-NAPMNA?
A: It provides a dedicated service interface for configuration, diagnostics, and firmware updates without interfering with primary fieldbus operations.
Q: What kind of feedback devices are compatible with S7120S-NAPMNA’s X1, X2, and X5 ports?
A: These ports support a range of digital and analog feedback systems, including encoders and resolvers, for precise motor control and positioning.
