300-R010-45G datasheet(23/36 Pages) MAGNETROL

23 / 36 page

SOFTWARE CONFIGURATION cont.

Any of the relays can be configured as alarm relays. Each

alarm relay can be configured to be controlled by Level,

Volume (when in Volume & Level mode), or Flow (when in

the Flow & Level mode).

The alarm relays can be configured to have the same on and

off points, or different on and off points.

Alarm Relay Configuration

I/O Configuration Menu (Alarm Relay Setting)

Display

Keystroke

Comment and/or Additional Keystrokes

I/O Config

Press ENT

Enters the Relay Settings menu.

to select

Relay Settings

Press ENT

Allows entry into the Select Relay submenu.

to select

Select Relay

Press ENT

Allows configuration of relay.

to select

Select Relay

Press ENT or

Press ENT to begin configuring relay #1 (if it was not used as a Fault relay) or

2, 3, or 4

enter 2, 3, or 4 to configure the other relays.

Fault Relay (#1)

Press

Fault Relay (#1) will be displayed only if you are configuring relay #1. Press

Disable

to keep it disabled as a fault relay, and proceed to configure it as an alarm relay.

Enable/Disable

Press ENT

Enables the relay. After enabling the relay press ENT again to move the

back

Disable

and

up to the top line, and then press

to proceed to the next item.

Controlled By

Press ENT

If the unit is in the Level Only mode, this screen will not be shown. If the unit is

Level

in the Volume & Level, or Flow & Level modes, the relay can be used to

control level, volume or flow. Pressing

will set the relay to be controlled by

level. Press ENT,

, ENT, and

if controlling by volume or flow if desired.

Relay On Point

Press ENT

Inserts a

on the bottom line of the LCD which allows the value to be changed.

xxxx units

Enter the value for the on point and then press ENT and

Relay Off Point

Press ENT

Inserts a

on the bottom line of the LCD which allows the value to be changed.

xxxx units

Enter the value for the off point and then press ENT and

Relay Action

Press ENT

This screen will only appear if the “Relay On” and “Relay Off” points are the

DNRG < Setpoint

same. Select either “DNRG<Setpoint” to have the relay de-energize at a value

that is less than the set point (low level fail-safe), or “DNRG>Setpoint” to have

the relay de-energize at a value that is greater than the set point (high level fail-

safe).

Relay On Delay

Press ENT

A one-second delay on the relay is preset from the factory to prevent relay

1 sec

chattering during turbulent process conditions. Press

to keep this at one

second, or press ENT to enter a different (0-255 seconds) value.

Relay Off Delay

Press ENT

Press

to keep this at one second, or press ENT to enter a different (0-255

1 sec

seconds) value.

Fault Mode

Press ENT

If the unit detects one of the six fault conditions described in Fault Relay

OFF on FAULT

Configuration (page 22), the alarm relays can either be configured to turn OFF

(de-energize) or to HOLD their current state. The factory default setting is OFF.

Previous Menu

Press ENT

Reverts back to the Select Relay submenu.

to select

As shown in the General Programming Menu on page 14, all

four relays can be included in a lead-lag group for pump con-

trol. The factory default setting is OFF for the lead-lag mode.

To set-up relays in a lead-lag group, the lead-lag mode must

be changed to one of the following five selections: 1-2, 1-2-

3, 1-2-3-4, 2-3, or 2-3-4. If relay #1 is configured as a fault

relay (page 22), then 2-3 and 2-3-4 are the only two possible

relay groupings for lead-lag control of pumps. If relay #1 is

not configured as a fault relay, then the lead-lag group selec-

tions are 1-2, 1-2-3, or 1-2-3-4.

When configuring the lead-lag mode you will see the follow-

ing warning message: No Alarm Relays in LeadLag Group.

This message means that any relays that are included in the

lead-lag group must have different on and off points. The

software does not allow any individual relays in the lead-lag

group to have the same on and off points. See Figure 16 on

the next page for further explanation.

Lead-Lag Relays

I/O CONFIGURATION MENU cont.

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