Pg 39
Servo Dynamics Corp. 21541-D Nordhoff St. Chatsworth, CA 91311 www.servodynamics.com
Chapter D - Setting to work
Rev. A 10-99
DigiDrive Manual Series 2000 / 4000
1.3.2
XCOMMAND
Pin Nr.
Pin name
Function
Pin type
1,5,11,13
GND
General purpose ground for digital input, output
and reference for SPEED IN.
Power ground
2
SPEED IN+
Non-inverted differential input command
Max input v/- 20VDC
Max differential input v/-10V
Differential input impedance : 8k
Analogue input
See note (1)
3
SPEED IN-
Inverted differential input command
Max input v/- 10VDC
Max differential input v/-10V
Differential input impedance : 8k
Analogue input
See note (1)
7
EXTLIMI\
Digital input for current limitation to the
programmed value. Active low. Internal pull-up
4k7 to 5V.
Digital input
8,10
RDY1,RDY2
Potential free contact of the make contact relay.
24 VDC, 0.5 A, 10 VA
Contact output
12
ENABLE\
Passive ENABLE.
Close this input to GND to active the power
stage. Internal pull-up 4k7 to 5V.
Digital input
14
GND 24V
Ground of the active optocoupled ENABLE
(potential free, max 50VDC to GND).
External ground
15
ENABLE 24V
Active optocoupled ENABLE.
Max input voltage : 30 VDC (with respect to
GND 24V)
Active level : 20..30 VDC / 5k
(potential free, max 50VDC to GND)
Power input
19
END-SW1\
Limit switch input affecting the positive speed
command.
Internal pull-up 4k7 to 5V. See note (2)
Digital input
20
END-SW2\
Limit switch input affecting the negative speed
command.
Internal pull-up 4k7 to 5V. See note (2)
Digital input
23
V6OK
High if 6V is internal powered.
Output voltage 0..6 VDC, High Z
Do not load with less than 10 K
Digital output
24
V6BACKUP
External 6V power supply input for the CU and
optional IU boards.
Supply voltage: 6..7 VDC
Supply current : 500mA max + IU current.
Power input
25
GND
Ground for the external 6V power supply.
Power ground
Pins 4,6,9,16,17,18,21,22
are not used.
(1) Common mode voltage range (CMVR) +/-10V if common on SPEED IN-
(2) Close this input to GND to inhibit or to free the movement (depend of parameter 24
configuration).
Summary of Contents for DigiDrive 2000 Series
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