Digital MMC-D4

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The Digital MMC-D4 is equipped with a 32 bit RISC processor featuring a numeric coprocessor. Kollmorgen manufactures this smart drive as part of the MMC Standalone Smart Drives, which incorporates a flash disk capacity of 2 megabytes. With sourcing-only DC inputs, it supports RS232/RS485 user ports.

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Product Description:

The Digital MMC-D4 variant is a versatile controller from Kollmorgen's produced MMC Standalone Smart Drive series, designed to manage up to four drives simultaneously. This capability streamlines complex motion control tasks which makes it ideal for applications requiring precise coordination among multiple axes. Built around a 32-bit RISC processor and a numeric coprocessor, the module allows high-rate processing of complex algorithms and improves the efficiency of the system. It’s one Megabyte of memory and its functions include to store all of the necessary parameters and programs to work problem-free.

Connectivity with other industrial machine parts is a main specs of this module. It includes an RS232 serial port with a software-selectable baud rate up to 115.2K, enabling secure communication with external devices. Additionally, the RS232/RS485 user port supports RTS/CTS hardware handshaking which offers flexible communication options for diverse applications. The IEEE 802.3/802.3u-100Base-TX/10Base T half-duplex Ethernet port further enhances connectivity which allows for integration into networked environments. The controller's 2 Megabyte flash disk provides ample space for firmware updates and data logging, ensuring the system remains current and adaptable to evolving requirements.

Powering the Digital MMC-D4 is a 3V coin cell with a BR2032 lithium battery that ensures reliable operation and preserves data integrity during power outages. The controller operates with IEC Type 1 inputs (per IEC 1131-2) with a nominal input voltage of 24 VDC and a maximum of 30 VDC, providing flexibility in power supply configurations. Its eight DC outputs each with a nominal voltage of 24 VDC and a maximum of 30 VDC are suitable for controlling various actuators and devices.

Battery
3V BR2032 lithium coin cell
CPU
32-bit RISC with numeric coprocessor
DC Input Configuration
Sourcing only, IEC Type 1 (IEC 1131-2)
DC Input Voltage
24 VDC nominal, 30 VDC max
DC Output Voltage
24 VDC nominal, 30 VDC max
DC Outputs
8 channels
Ethernet Port
IEEE 802.3/802.3u, 10/100Base-TX, half duplex
Flash Disk
2 MB
Max Current per Output
0.25 A
Memory
1 MB
MMC/SD Drive Input Current
250 mA
MMC/SD Drive Input Voltage
20–30 VDC
PICPRO Port
RS232 secured, up to 115200 baud
Time-of-day Clock Accuracy
±1 s/day (25°C); +2/−12 s/day (ambient)
User Port
RS232/RS485, RTS/CTS, up to 115200 baud

Frequently Asked Questions about Digital MMC-D4:

Q: What is the maximum number of drives the Digital MMC-D4 can control?

A: The Digital MMC-D4 is designed to control up to four drives simultaneously which makes it ideal for applications requiring coordinated multi-axis motion control.

Q: What type of processor does the Digital MMC-D4 utilize?

A: The controller is equipped with a 32-bit RISC processor and a numeric coprocessor, ensuring efficient processing of complex algorithms and enhancing system performance.

Q: How much memory does the Digital MMC-D4 have?

A: The Digital MMC-D4 includes 1 Megabyte of memory for storing essential parameters and programs and a 2 Megabyte flash disk for firmware updates and data logging.

Q: What communication ports are available on the Digital MMC-D4?

A: The controller features an RS232 serial port with a software-selectable baud rate up to 115.2K, an RS232/RS485 user port supporting RTS/CTS hardware handshaking and an IEEE 802.3/802.3u-100Base-TX/10Base T half-duplex Ethernet port.

Q: What is the power supply requirement for the Digital MMC-D4?

A: The controller operates with IEC Type 1 inputs (per IEC 1131-2), with a nominal input voltage of 24 VDC and a maximum of 30 VDC, providing flexibility in power supply configurations.


Internal Product Review

  • ‘‘The Digital MMC-D4 offers exceptional performance with its 32-bit RISC processor and ample memory, making it a reliable choice for complex motion control applications. Its versatile communication ports, including RS232 and Ethernet, ensure seamless integration into various systems. The inclusion of a 3V coin cell battery enhances data retention and system reliability. ’’

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