300-R010-45G datasheet(22/36 Pages) MAGNETROL

22 / 36 page

I/O Configuration Menu (Fault Relay #1 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

Enters a submenu to configure relay #1.

Fault Relay (#1)

Press ENT

Moves the

to the bottom line of the LCD. This allows relay #1 to be enabled

Disable

if it is to be used.

Fault Relay (#1)

Press

Pressing

enables the relay.

Disable

Fault Relay (#1)

Press ENT

Moves the

to the top line of the LCD.

Enable

Fault Relay (#1)

Press

Moves to the next item.

Enable

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 change it to a different (0-255 seconds) value.

Relay Off Delay

Press ENT

Press

to keep this at one second, or press ENT to change it to a different

1 sec

(0-255 seconds) value.

Previous Menu

Press ENT

Reverts back to the Select Relay submenu.

to select

SOFTWARE CONFIGURATION cont.

This menu is used to configure the relay settings, 4–20 mA

output, and communication parameters of the Model

300/301. Refer to pages 13 and 14 for the complete menu

layout. The first part of this section shows how to configure

each type of relay (fault, alarm, and lead lag). The second

part shows how to configure the 4-20 mA and RS-485 out-

puts. The I/O Configuration Menu can be entered from the

RUN mode by pushing ENT and the pressing

twice.

I/O CONFIGURATION MENU

The 300/301 transmitter can be provided with four relays,

two relays, or no relays. The relays can be configured to be

fault (diagnostic) relays, alarm relays (controlled by level, vol-

ume, or flow), or lead lag (pump control) relays.

RELAY SETTINGS

Relay #1 is the only relay that can be used as a fault relay to

indicate when the diagnostics of the 300/301 have deter-

mined that there is a fault condition. There are six fault con-

ditions that will change the state of relay #1 when a fault

occurs: echo loss, ringdown, transducer fail, no transducer,

bad

transducer,

and

temperature

fail.

See

the

Troubleshooting section for details on each of these fault

conditions.

Fault Relay Configuration

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