7.4.
User PI Control Mode
P-15
Digital input 1 (T2)
0, 2, 4,
Open: Stop (disable)
5
Closed: Run (enable)
8..12
Open: Stop (disable)
1
Closed: Run (enable)
Open: Stop (disable)
3, 6, 7
Closed: Run (enable)
Example Wiring
PI Mode P-12=5, P-15=0
+24 Volt
Run (Enable)
PI / Preset Speed 1
PI Feedback
0 Volt
Remote closed loop PI feedback control
with Local Preset speed 1
NOTE
By default the PI reference is set for a digital reference level set in P-45.
When using an Analog reference set P-44 = 1 (analog) and connect reference signal to analog input 1 (T6).
The default settings for proportional gain (P-41), integral gain (P-42) and feedback mode (P-43) are suitable for most HVAC and pumping
applications.
The analog reference used for PI controller can also be used as the local speed reference when P-15=1.
7.5.
Motor Thermistor Connection
1 : + 24 Volt
4 : External Trip
25
Optidrive E2 Single Phase Output User Guide V3.10
Digital input 2 (T3)
Digital input 3 (T4)
Open : PI control
PI feedback analog input
Closed : Preset speed 1
Open : PI control
PI feedback analog input
Closed : Analog input 1
Open : PI control
External trip input :
Closed : Preset speed 1
Open: Trip, Closed: Run
PI Mode P-12=5, P-15=1
Remote closed loop PI feedback control with
Local Analog speed input
The motor thermistor should be connected between terminals 1 and 4 as shown. A
setting of P-15 where Digital Input 3 is programmed for 'External Trip' must be used.
The current flow through the thermistor is automatically controlled to prevent a
failure.
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Analog input (T6)
No Effect
Analog input 1
PI feedback analog input
+24 Volt
Run (Enable)
PI / Local (Hand)
PI Feedback
+10 Volt
Local (Hand) Ref
0 Volt
Remote closed loop PI feedback control with
Local Preset speed 1 and motor thermistor
Comments
Analog Input 1 can provide
an adjustable PI setpoint, by
setting P-44 = 1
Analog Input 1 can provide
an adjustable PI setpoint, by
setting P-44 = 1
Connect external motor
thermistor PTC type or
similar to digital input 3
PI Mode P-12=5, P-15=3
+24 Volt
Run (Enable)
PI / Preset Speed 1
External Trip
PI Feedback
0 Volt
trip
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