Terminal Type Function
2 Relay 3 contact, 250 V AC, 30 V DC, 5 A User configurable relay #3
3 Relay 4 common, 250 V AC, 30 V DC, 5 A User configurable relay #4
4 Relay 4 contact, 250 V AC, 30 V DC, 5 A User configurable relay #4
5 Relay 5 common, 250 V AC, 30 V DC, 5 A Relay #5 (Pump running output)
6 Relay 5 contact, 250 V AC, 30 V DC, 5 A Pump running output
Table 6: External I/O controller card
Terminal Type Function
1 Extended digital input 1 External I/O Auto mode
2 Extended digital input 2 External Hand mode
3 Extended digital input 3 Activate external I/O control
2
4 NC Not used
5 Extended relay common User configurable relay #3
6 Extended relay normally open contact User configurable relay #3
Install a three pump system
1. Install the first two pumps and drives according to the instructions in Install a two
pump system (page 21).
2. Connect the power cables to the third drive.
3. Connect the power and sensor cables to the third pump.
4. Connect the level sensor cables from drive 1 and drive 2.
a) Connect terminal 8 on drive 3 to terminal 10 on drive 2.
b) Connect terminal 7 on drive 2 to terminal 7 on drive 3.
2
Extended digital input 3 must be activate for External digital input 1 and 2 to work.
Electrical Installation
28 SRC 311 - SmartRun
™
Installation, Operation, and Maintenance Manual
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