E-DC Drive
Quick Reference Guide
Motor Performance Specifications
Protective Circuits
Current & Resistor Selection
Input/Output Specifications
Dimensions
Compumotor Division
Parker Hannifin Corporation
p/n 88-020592-01 A
(effective May 22, 2002)
INPUTS
All inputs are optically isolated
STEP:
minimum pulse width: 200 nanoseconds
maximum input frequency:
2MHz
minimum turn on current:
6.5mA
DIRECTION:
minimum setup time:
200 microseconds
minimum turn on current:
8mA
REMOTE:
minimum turn on current:
3.5mA
When input is activated, drive reduces motor current
by ratio set by R
remote
, a resistor connected between
REMOTE and CURRENT, as follows:
R
remote
= 13,300 (3750 + R
c
)/(R
c
- R
s
), where
R
c
= resistor asociated with operating current
R
s
NOTE: for zero current, short REMOTE and CURRENT
GEAR SHIFT:
minimum turn on current:
3.5mA
When input is activated, the drive multiplies each
step pulse it receives by a factor of 8.
FAULT OUTPUT
Optically isolated; open collector/emitter output.
Normally active (output turns off on a fault condition).
To clear fault: cycle power.
maximum collector current:
10mA
Accuracy:
+/- 5 arcminutes typical (unloaded motor,
bi-directional) with OS or VS Motors
Repeatability:
+/- 5 arcseconds typical (unloaded motor,
Hysteresis:
less than 2 arcminutes—0.0334
°
(
Short Circuit Protection:
• phase-to-phase motor short
• phase-to-ground motor short
• trips at 55
°
C (131
°
F) internally
Operating Temperature:
°
F)
Storage Temperature:
–
176
°
F)
Humidity:
Drive Weight:
SERIES
Hardware Installation Guide
available at: www.compumotor.com
E-DC Hardware Installation Guide
is available online in PDF format:
http://www.compumotor.com
(part number 88-020714-01)
3.555 (90.30)
3.315 (84.20)
5.000 (127.00)
4.650 (118.11)
0.175 (4.45)
1.000 (25.40)
7.000 (177.80)
Mounting Clearance
2x 0.177 (4.50) Thru
(Clearance for #8
(M4) Mounting Screw)
0.812 (20.62)
1.625 (41.28)
2.000 (50.80)
Mtg Clearance
Dimensions in
inches (millimeters)
1.000 (25.40)
Compumotor
5500 Business Park Dr.
Rohnert Park, CA 94928
Exposed aluminum for
electrical grounding
This surface must be thermally
coupled to a cold plate in most
applications
REMOTE
REF
CURRENT
DUMP
VDC+
VDC-
A+
A-
B+
B-
PWR/FLT
!
SERIES
SW3-#7 Off/#8 Off
SW3-#7 On/#8 Off
Current Resistor
Current Resistor
(amps*) (ohms)
4.80 0
1.58 0
1.52
619
4.62
412
1.46
1.27 K
4.56
619
1.39
2.05 K
4.49
825
1.33
2.80 K
4.43
1.02 K
1.27
3.57 K
4.37
1.27 K
1.20
4.53 K
4.30
1.54 K
1.14
5.49 K
4.24
1.78 K
1.08
6.49 K
4.18
2.05 K
1.01
7.68 K
4.11
2.26 K
0.95
8.87 K
4.05
2.55 K
0.89
10.5 K
3.99
2.80 K
0.82
12.1 K
3.92
3.09 K
0.76
13.7 K
3.86
3.32 K
0.70
15.8 K
3.80
3.57 K
0.63
18.2 K
3.73
3.92 K
0.57
20.5 K
3.67
4.22 K
0.51
22.6 K
3.61
4.53 K
3.54
4.87 K
3.48
5.11 K
3.42
5.49 K
3.35
5.76 K
SW3-#7 Off/#8 On
3.29
6.19 K
Current Resistor
3.23
6.49 K
(amps*) (ohms)
3.17
6.81 K
1.27
0
3.10
7.32 K
1.20
787
3.04
7.68 K
1.14
1.62 K
2.98
8.06 K
1.08
2.49 K
2.91
8.45 K
1.01
3.57 K
2.85
8.87 K
0.95
4.64 K
2.79
9.53 K
0.89
5.90 K
2.72
10.0 K
0.82
7.32 K
2.66
10.5 K
0.76
8.87 K
2.60
11.0 K
0.70
10.7 K
2.53
11.5 K
0.63
13.0 K
2.47
12.1 K
0.57
15.4 K
2.41
12.7 K
0.51
18.2 K
2.34
13.3 K
0.44
21.5 K
2.28
13.7 K
2.22
14.3 K
2.15
15.0 K
2.09
15.8 K
SW3-#7 On/#8 On
2.03
16.5 K
Current Resistor
1.96
17.4 K
(amps*) (ohms)
1.90
18.2 K
0.50
0
1.84
19.1 K
0.38
2.21 K
1.77
20.0 K
0.32
5.36 K
1.71
20.5 K
0.25
10.0 K
1.65
21.5 K
0.19
16.2 K
1.58
22.6 K
0.13
27.4 K
SW3-#7 Off/#8 Off
(amps*) (ohms) Motor
3.0 S** 7.68 K
OS2HA
4.8 S** 0
OS21A,
22A
VS12B, 13B
VS21B, 23B
VS22B
**
P = Parallel current;
Settings for
Compumotor
Motors:
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