Xylem IM255 AQUAVAR Intelligent Pump Controller - Manual (Page 89)

Digital I/O Operating Mode
Terminal Number Parameter
Number
Single Pump/
Constant Slave
Speed Control Test Run Mode Description
32 5–14 [1] Restart [0] No Operation [0] No Operation Configured for
use as a Reset for
the No Water/Loss
of Prime Restart
function for
Single Pump and
Constant Slave
modes. Refer to
the Pump
Protection section
for details.
33 5–15 [23] SP1/SP2
Select
[23] SP1/SP2
Select
[23] SP1/SP2
Select
Digital input.
Configured for
use as a Setpoint
1/Setpoint 2
select (SP1/SP2)
20 — Common Common Common Common for
digital inputs and
reference for 24 V
supply
Table 24: Digital input functionality based for duplex mode
Digital I/O Duplex Control Mode
Terminal Number Parameter Number Lead Lag Description
18 5–10 [8] Start [8] Start Start/Stop digital
input signal for the
drive. Connect input
to 24 V to start. Open
the input to stop. This
is a required
connection.
19 5–11 [0] No Operation [0] No Operation Unused digital input.
This input can be
configured for use as
a Pump Protect
Warning or Alarm
input. See Pump
Protect section to
enable the Warning
or Alarm associated
with this input.
Operation
Aquavar ® Intelligent Pump Controller INSTRUCTION MANUAL 87