3 type designation, 4 terminal description – ElmoMC SimplIQ Analog Servo Amplifiers-Violin Operating Manual User Manual
Page 10

Elmo Motion Control
Rev 09/09
VIO-Velocity - Operating Manual
Page 6
2.3
Type Designation
Figure 1: Type Designation
2.4
Terminal Description
2.4.1
Power connections.
Pin
Function
Remarks
VP+
Positive power Input
Voltage determined by VIO model
PR
Power input Return
M1
Motor power output 1
M2
Motor power output 2
This output will be positive when pin CREF (+) is
positive relatively to pin CREF (-).
Table 1: Power Connections
2.4.2
Control connections.
Pin #
Short form
Function
Remarks
1
TAC+
Tach positive input.
Positive input of a differential amplifier with two
adjustable resistors R1 and R2.
2
TAC-
Tach negative input.
Negative input of a differential amplifier.
Specification as for pin 1.
3
REF-
Command negative
input
Negative input of a differential amplifier.
Specification as for pin 4.
4
REF+
Command positive input
Positive input of a differential amplifier with two
adjustable resistors R5 and R6.
5
ECLC
External current limit –
continuous
External voltage reduces the Ic limit.
For more details see "current limit paragraph".
VIO amplifier
Rated current
VIO
15
55
V
////
Maximum voltage
Velocity version