Wiring to control terminals, Unplug terminal connectors, Control terminal connections – Xylem IM255 AQUAVAR Intelligent Pump Controller User Manual
Page 31
Terminal number
Parameter number
Default setting or
function
Description
Analog I/O
39
–
AO Common
Common for analog
output
42
6–50
[137] Speed 420 mA Analog output.
Default setting is
4-20mA signal (500Ω
max) based on motor
speed. Range is 0 to
max speed indicated
in parameter 4-14.
50
–
+10V DC
10V DC analog supply
voltage. 15mA
maximum.
53
6–1*
Transducer feedback Analog input 53.
Default configuration
is 300 psi, 4-20mA
pressure transducer
input.
54
6–2*
Not Used
Analog input 54
55
–
AI Common
Common for analog
input
Comm.
61
–
Shield Connection
Integrated RC filter for
cable shield. ONLY for
connecting the shield
when experiencing
EMC problems.
68
8–3*
+
RS485 interface +
69
8–3*
–
RS485 interface –
Wiring to control terminals
Unplug terminal connectors
Control terminal connectors can be unplugged from the frequency converter for ease of
installation.
Control terminal connections
Connecting to the control terminals
1. To connect control wiring to the control terminals, do the following:
a. Strip the control wire back 9–10mm (0.35–0.40 in)
b. Insert a screwdriver (0.4 x 2.5 mm) in the rectangular hole.
Electrical Installation
Aquavar
®
Intelligent Pump Controller INSTRUCTION MANUAL
29