Cole-Parmer
Section 3
Operation
MASTERFLEX
®
Digital Pump Drive Operating Manual 3-21
DB-25 Pin
Configuration with
Wiring Scheme
Contact Arrangements
CAUTION: Power must be turned off before connecting the
external remote control cable to prevent damage to the drive.
NOTE:
Open collector outputs in "low impedance" state are at earth
ground and when in "high impedance" state are essentially floating. See
Open Collector
page 3-24.
Figure 3-10.
DB-25 Pin Configuration with Wiring Scheme.
A.
START/STOP
B.
CW/CCW
C.
OUTPUT 0-20mA; 4-20mA
D.
INPUT 0-20mA; 4-20mA
E.
INPUT 0-10V
F.
OUTPUT 0-10V
G.
TACH OUTPUT
K
H A
G
B
J
I C E
D
F
M
L
13
1
12
11
10
9
8
7
6
5
4
3
2
25
24
23
22
21
20
19
18
17
16
15
14
H.
PRIME
I.
MOTOR RUNNING N.O. (1A @ 24V)
J.
LOCAL/REMOTE ENABLE
K.
24V (150mA max.)
L.
General Alarm N.O. (1A @ 24V)
M.
Local/Remote Indicator (LOCAL N.O.)
Pin No.
Description
DB-25
1
Speed Control Voltage Input (0-10V)
2
Speed Control Current Input (0-20 mA)
3
Speed Control Input Ground Return
4
Speed Signal Current Output (0-20 mA)
5
Speed Signal Output Ground Reference
6
Motor Running Relay (N.O.)
7
Motor Running, Relay Common
8
Reserved – Not Used
14
Speed Signal Voltage Output (0-10V)
15
Remote Start/Stop
Input
16
Remote CW/CCW Input
17
Remote Start/Stop, CW/CCW, Prime, Local/Remote Grnd Ref.
18
Tach Ground Reference
19
Tach Output (open collector)
20
Remote Prime Input
9
Remote Voltage or Current Enabled
10
Reserved – Not Used
11
Reserved – Not Used
12
Reserved – Not Used
21
General Alarm Relay Common
22
Local/Remote Indicator Relay Common
23
General Alarm Relay
24
Local/Remote Indicator Relay
25
Aux 24V + (150 mA)
13
Aux 24V - (150 mA)
NOTE:
Pins 5, 13, 17, and 18 are at earth ground, all are suitable for use
with START/STOP, PRIME, Direction, Tach, LOCAL/REMOTE,
Current and Voltage Outputs.
