
3-44
Masterflex REGLO Digital Pump Drive with Advanced Connectivity
Section 4: Service & Maintenance
Masterflex
DB-25 ELECTRICAL CONNECTIONS
!
CAUTION
: Power must be turned off before connecting the external analog control cable to
prevent damage to the drive.
Contact Arrangements:
Pin No.
DB-25
Description
Pin No.
DB-25
Description
1
Speed Control Voltage Input (0–10 V)
14
Speed Signal Voltage Output (0–10 V)
2
Speed Control Current Input (0–20 mA)
15
Start/Stop Input
3
Speed Control Input Reference
16
CW/CCW Input
4
Speed Signal Current Output (0–20 mA)
17
Start/Stop, CW/CCW, Prime Reference
5
Speed Signal Output Reference
18
Tach Output Reference
6
Motor Running Relay Output (N.O.)
19
Tach Output (Open Collector)
7
Motor Running Relay Output Common
20
Prime Input
8
Open Head Sensor Relay Output (N.O.)
21
General Alarm Relay Output Common
9
Not Used
22
Not Used
10
Open Head Sensor Relay Output Common
23
General Alarm Relay Output (N.O.)
11–13
Not Used
24–25
Not Used
Wiring Scheme:
A
Start/Stop
G
Tach Output
B
CW/CCW
H
Prime
C
Output (0–20 mA, 4–20 mA)
I
Motor Running (N.O.)
D
Input (0–20 mA, 4–20 mA)
J
Open Head Sensor (N.O.)
E
Input (0–10 V)
K
General Alarm
F
Output (0–10 V)
13
12
11
10
9
8
7
6
5
4
3
2
1
25
24
23
22
21
20
19
18
17
16
15
14
F
H
K
I
E
A
G
D
C
B
J