Condec DLR334 User Manual

DLR334 Series

TWO RELAYS AND

SETPOINTS OPTION

OPERATION/INSTALLATION

MANUAL

PN 74844

.

10/24/01

DLR334 SERIES

ADDENDUM 1

TWO RELAYS AND SETPOINTS OPTION

OPERATION/INSTALLATION MANUAL

TABLE OF CONTENTS

SECTION DESCRIPTION PAGE

1 GENERAL INTRODUCTION 1

2 SETPOINTS (TRIP POINTS) DESCRIPTION 1

3 TRIP POINT SPECIFICATIONS 1

4 RELAY WIRING 2

5 LOGIC OUTPUT

2

6 TRIP POINT SETUP 3

7 FRONT PANEL TRIP STATUS INDICATION 4

8 FRONT PANEL TRIP POINT MONITOR AND ENTRY

5

9 SERIAL I/O 6

APPENDIX A EXAMPLES A1

APPENDIX B BOARD INSTALLATION B1

.

ADDENDUM 1

TWO RELAYS AND SETPOINTS OPTION FOR DLR334

1. GENERAL INTRODUCTION

The Analog / Relay / RPM Option board (KKY8924-) can be obtained as a Relay board
(KKY8924-1) used with the Two Relays And Setpoint Option. The Option offers two form C
relays that are used in conjunction with dual setpoints (trip points) or trip bands. The DLR334
does not support the RPM Option on the KKY8924 board. The option is supported by the
DLR334 program KDG-1 version 13 or greater.

2. SETPOINTS (TRIP POINTS) DESCRIPTION

The Setpoint Option is a dual single trip point or a dual band trip performed in the meter's CPU
on the processed pressure data. The "Option" provides relay contact closures on the KKY8924­board as well as a visual indication whenever a recorded data value is in or out of a preset trip
point or band as set by the configuration. The configurable hysteresis settings are included which
can be used to decrease drop-out threshold levels thus minimizing noise effects. Each limit
hysteresis can be configured for either ascending or descending hysteresis application.

The trip point type of set point is defined as a single trip point with its associated hysteresis
that produces an output when the pressure value is above or below this trip point. The trip is
activated at the center of the trip value.

The trip band is defined by two trip points with individual hysteresis and polarity settings
selected in the Trip Pt setup that produces an output when the pressure is inside or outside the
band.

All settings related to the trip points are configured by the operator in the 1/0 menu under "Trip
Pts?" and are stored in the non-volatile memory. When enabled by the setup, the trip points can
be modified from the front panel in the "run" mode. The recalled trip points in the “run” mode
are expressed in the current selected units. The trip point values are entered in the base mode

units while in the “run” mode.

If a faster response is required for the trip point, set the filter, “FILTR 1” parameter in the
“SETUP CONFIG” menu to a lower number.

3. TRIP POINT SPECIFICATIONS:

♦ Number of trip points/ bands: Two
♦ Trip point range: 0 to ± 100% of full scale capacity.
♦ Data Select: Pressure

1

.

♦ Trip point settability: Set in display (engineering) units with resolution of

the base unit configuration. In “run” mode set in
base.

♦ Trip point Hysteresis: Set in display (engineering) units with resolution of

the base unit configuration to a maximum setting of
full scale.

♦ Output Relay: Arrangement: Form C contact closure.

MaxSwitchingVoltage: 100VDC,220VAC

Max Current:

AC (resistive load) 120vac: 1 A
AC (resistive load) 220vac: 1/2 A
DC (resistive load): 1/2 A

♦ Output Logic: Trip 1 on OUT 1 and Trip 2 on OUT 2. A logic

"O" is output "on" (energized).

♦ Output Activation select: If set for "Under" the output relay is "ON"

(energized) when the data is below (under) the Trip
point or in the Trip Band, if band type selected. If
set for "Over" the output relay is "ON" when the
data is at or above (over) the Trip point or out of
the Trip Band.

♦ Power-up reset Protection: All relays are held "off' until the CPU re-establishes

proper operating conditions caused by power
interruptions.

♦ Indicators: Can be set in configuration for two types of display

indications. If set for "TRIP PTS", the display will
indicate the active outputs by "TRIP 1 ", "TRIP 2",
or TRIP 1 & 2". If set for "ACCEPT" the alpha
display will indicate "LOW', "ACCEPT" and
"HIGH" for trip band 1.

♦ Serial 1/0: All Trip point parameters can be recalled or entered

via the Serial Full Duplex.

4. RELAY WIRING:

RELAY CONNECTIONS on OPTION BOARD

RELAY 1 OUT 1 N. C. OUT 1 N.C TB3-1

RELAY 2 OUT 2 N. C. OUT 2 N. C. TB3-4

BOARD

FUNCTION

OUT 1 N.O. OUT 1 N.O. TB3-2
OUT 1 COM OUT 1 COM TB3-3

OUT 2 N.O. OUT 2 N.O. TB3-5

MARKING

2

RELAY BLOCK

POSITION

.