ES-9806 Rev.5

MODEL

Limit Alarms M-PAC

MP1700-1723

Functions & Features

• Accepting pulse input from turbine meters, posi-

tive displacement flowmeters and other frequency

generating devices • Providing relay contact

closure(s) at a preset input level • Single, latching

or dual setpoint • Failsafe operation available •

Deadband adjustable from 1 to 100% • Indicator

LED provided

Typical Applications

• Annunciator • Various alarm applications

MODEL & SUFFIX CODE SELECTION

ORDERING INFORMATION

Specify code number and variables.

•Code number (e.g. MP1700-2-F/T/V)

•Frequency range (e.g. 0 – 500 Hz)

GENERAL SPECIFICATIONS

Construction: plug-in

Connection: M3.5 screw terminals on base socket

Housing material: flame-resistant resin (black)

Isolation:

input to output to power

(non-isolated between I/O with Option V)

Zero/span adjustments:

±5% (front)

Setpoint adjustments: front accessed three-turn

screwdriver, remote dial potentiometer

or DC input

Deadband adjustments: front accessed single-turn

screwdriver; 1 – 100%

Front LEDs: red lights turn on at a tripped condition

Low-end cutout: approx. 5%

Power ON timer: relays de-energized for approx. 2

seconds after power is turned on.

FREQUENCY INPUT LIMIT ALARM

P. 1 / 4

MODEL

INPUT TYPE

7 : Frequency

RELAY CONTACT OUTPUT

0 : Single (Hi) trip, non-latching

1 : Single (Hi) trip, latching

2 : Dual (Hi/Lo) trip, non-latching

SETPOINT CONTROL

0 : Front-accessed three-turn screwdriver adjust.

2 : Remote dial connections (total resistance 1k – 100k

Ω)

3 : DC programmable (0 – 1V)

INPUT

1 : ON-OFF pulse

(dry contact or open collector)

2 : Voltage pulse

POWER INPUT

F : 120V AC

J : 240V AC

R : 24V DC

S : 12V DC

OPTIONS

H : Latching operation for dual trip (172X only);

Reset at power off (5 seconds min.)

R : Reversed relay sense

T : Transmitter output (0 – 1V DC)

V : Relay drive voltage output

X : Lo-trip sense for single trip; Lo/Lo for dual trip

Y : Hi/Hi-trip sense for dual trip (172X only)

M•PAC

LIMIT ALARM

SET 2

SET 1

SET 2

DEADBAND

SET 1

DEADBAND

SPAN

ZERO

50

(1.97)

132

(5.20)

80

(3.15)

mm (inch)