Orion-system Lead Controller Manual de usuario descargar pdf (Pagina 22)

Section 6: Conﬁ guring Relays

Lead/Lag Controller Technical Guide

Control Method and Control Source

Control Method

The Control Method Drop Down Menu (Figure 28) is located on

the top left of the Relay Conﬁ guration Screens (Figure 26 & 27,

page 20 & 21). As you select items, the corresponding ﬁ elds that

you need to ﬁ ll out will become available. Fields that do not pertain

to the conﬁ guration at hand will be greyed out.

Figure 28: Control Method Drop Down Menu

For Lead/Lag conﬁ guration, one relay will be the Lead and up to

seven can be the Lag, and they are conﬁ gured from their own Relay

Conﬁ guration Screens. For 2 Lead / 1 Lag, two relays are Lead and

one is Lag and all three relays are conﬁ gured from Relay #1 screen.

The choices are one of the following methods of control listed below:

●

Not Conﬁ gured

● Lead Relay

● Lag Relay

Lead Relay – If this option is selected, you can also select a Control

Source input in the next ﬁ eld to be used as a Proof of Operation to

allow switching to the Lag Relay upon a failure. This proof can

either be a binary contact activation or an analog input level. If

your Proof is an analog input level, you can then conﬁ gure either

an Increasing or Decreasing Proof Setpoint (Figure 30, page 23).

If your Proof is a Binary Input, the Proof Failure is initiated when

the selected Binary Input is “Active” (See Binary Input Activation

Window, Figure 35, page 24.)

In the Timers Window (Figure 36, page 24) found at bottom left of

the Lead/Lag Relay Conﬁ guration Screen (Figure 26, page 20), you

can conﬁ gure a Lead/Lag Changeover Interval and a Proof Failure

Timeout Delay.

Lag Relay – This Lag Relay will follow the same conﬁ gurations

as the Lead Relay.

Figure 29: Control Source Field

Control Source

The Control Source Options in the Control Source Drop Down Menu

(Figure 29) are shown below:

●

Not Conﬁ gured

● Analog Input #1

● Analog Input #2

● Analog Input #3

● Analog Input #4

● Analog Input #5

● Analog Input #6

● Analog Input #7

● Analog Input #8

● Proof Input #1

● Proof Input #2

● Proof Input #3

● Proof Input #4

● Outdoor Air

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Orion-system Lead Controller Manual de usuario Pagina 22

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