TU849 3BSE042560R1 ABB module

TU849 3BSE042560R1 ABB module

Technical data of product parameters

The velocity or torque loop can receive its command from an analog voltage source and is selectable
through the OPMODE variable. The analog input to the SERVOSTAR CD-Lite is differential. This
means that the signals received at the two inputs are subtracted from each other to create a ‘difference,’
that is used to command the rest of the system. This type of input has a high degree of noise immunity
and, in many cases, will allow for ground isolation between systems. This analog input also has a low
pass filter (ANLPFHZ) to prevent high frequency noise from entering the system.
The input voltage from the differential receiver is applied to a precise 12-bit Analog-to-DigitalTU849 3BSE042560R1 The A/D conversion system is read by the microprocessor, 250µs for the velocity
loop mode, and every 62.5µs for the torque (current) loop mode of operation. Encoder-based units have
the additional benefit of a Dual GainTU849 3BSE042560R1 input. When enabled, the system uses two 14-bit A/D
inputs to read the user-supplied analog signal. One input is a direct reading of the ± 10V signal, while
the other incorporates a 2x gain term. When the input voltage is less than 4V, the 2x channel is used to
determine the user’s input voltage. This extends the resolution to a 15-bit equivalent. Above 4V, the
system uses the straight 14-bit conversion. Special software algorithms are used to minimize cross-over
distortion and add 0.25 V hysterisis.
Analog systems often require scaling and offset bias. The SERVOSTAR CD-Lite adds an analog offset
(ANOFF1) variable to this reading, performs an analog deadband TU849 3BSE042560R1) adjustment, and scales it
through velocity loop input scaling (VSCALE), or torque loop input scaling (ISCALE) before passing the
data to the selected control loop. The analog input (ANIN1) variable indicates the analog reading after
the offset (ANOFF1) and the deadband (ANDB) adjustments, but before the loop scaling. The ANIN1
variable range is ± 22500 counts (or mV).
The SERVOSTAR CD-Lite also has an automatic analog input zeroing function. Invoking the ANZERO
command while the drive is enabled or disabled samples motor velocity over a 32 ms period and updates
ANOFF1 accordingly to cancel out analog input offset. This command uses an internal offset
mechanism that has finer resolution than ANOFF1 is capable of providing.

Product picture display

Company advantages

Warranty: Seven day acceptance period, one year warranty period

Delivery period: 1-3 working days

Advantages: supply of imported genuine products, professional off production accessories, fast delivery and accurate delivery

Main products: Focus on DCS, PLC, robot control system and large servo system. Main products: various modules/cards, controllers, touch screens, servo drives.

Main brands:

ABB Bailey, GE/FANC, FOXBORO, Invensys TRICONEX, Bentley BENTLY, A-B Rockwell, Emerson, OVATION, MOTOROLA, XYVOM, Honeywell HONEYWELL, Rexroth, KUKA, NI, DEIF, Yokogawa, Woodward WOODWARD, Ryan, Schneider SCHNEIDER, Yaskawa, Moog, PROSOFT, etc

reminder

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