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Delta Tau: Expansion Board (ACC-24E2A)
The ACC-24E2A is an axis expansion board which provides 2 or 4 channels of PMAC2-style servo interface circuitry for UMAC and Ultralite/MACRO Station controllers. The ACC-24E2A is part of the UMAC or MACRO Pack family of expansion cards and these accessory cards are designed to plug into an industrial 3U rack system.Part No: 3A0-603398-10x
Note: Many ACC-24E2A features are common to other accessories of the ACC-24E2 family; these common features are referred to in this manual as ACC-24E2x.
Up to eight ACC-24E2A boards can be connected to one UMAC providing up to 32 additional channels of servo interface circuitry. The 16-Axes MACRO CPU can support four ACC-24E2x cards and the 8Axes MACRO CPU can support 2 ACC-24E2x.
The ACC-24E2x board contains no processor; it has one highly integrated 4-channel PMAC2-style Servo IC with the buffering circuitry and connectors around them. The two-axis ACC-24E2x plugs into the backplane and uses one slot in the rack. If two more axes are needed, ACC-24E2x Option 1 can be plugged into the ACC-24E2x connectors. The ACC-24E2x with its Option 1 card takes up a total of two slots. Some new features added to the family of ACC-24E2x breakout boards include:
Loss of encoder circuit
5V to 24V Flag inputs
Pulse and direction outputs for stepper systems or MLDTs
Features
The ACC-24E2A board can be used with any UMAC or MACRO Station CPU, interfacing through the expansion port. The ACC-24E2A supports a wide variety of servo and stepper interfaces:
Analog +/-10V velocity commands
Analog +/-10V torque commands
Sinusoidal analog +/-10V phase current commands
Pulse-and-direction commands
Board Configuration
An ACC-24E2A comes standard with one Servo IC providing four servo interface channels, which are brought out on terminal blocks (standard) or DB15 connector. Each channel of servo interface circuitry includes the following:
Two output command signal sets, configurable as either:
One pulse-and-direction
Two DAC outputs
3-channel differential/single-ended encoder input
Eight input flags, two output flags
Option 1A: The circuitry and input/output connectors are provided for the third and fourth channels associated with the Servo IC on the main ACC-24E2A. The command signals for this option are ± 10V.Part No: 301-603398-10xInstruction For Buyer:1) ACC-24E2A: 2 Axis controller current board with front plate.2) ACC-24E2A OPT1A: Expansion board 2 Axis controller current board.3) ACC-24E2A + ACC-24E2A OPT1A: 4 Axis controller current boards, 2 layers mounting with front plate.