ES-9803 Rev.6

MODEL

Limit Alarms M-PAC

MP1200-1223

Functions & Features

• Accepting standard thermocouple inputs and pro-

viding relay contact closure(s) at a preset input level

• Cold junction compensation and upscale burnout

protection as standard • Downscale or no burnout

optional • 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. MP1200-2-F/T/V)

•Temperature range (e.g. 0 – 800

°C)

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

Burnout protection: upscale standard; downscale or

no burnout optional

Cold junction compensation: CJC sensor attached

to the input terminals

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

seconds after power is turned on.

THERMOCOUPLE INPUT LIMIT ALARM

P. 1 / 4

MODEL

INPUT TYPE

2 : Thermocouple

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 THERMOCOUPLE

Srandard Span

(10mV

≤EMF)

1 :

(PR)

2 : K (CA)

3 : E (CRC)

4 : J (IC)

5 : T (CC)

6 : B (RH)

7 :R

8 :S

0 : Specify

POWER INPUT

F : 120V AC

J : 240V AC

R : 24V DC

S : 12V DC

OPTIONS

H : Latching operation for dual trip (122X 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 (122X only)

Narrow Span

(3mV

≤EMF<10mV)

1L:

(PR)

2L: K (CA)

3L: E (CRC)

4L: J (IC)

5L: T (CC)

6L: B (RH)

7L:R

8L:S

0L: Specify

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)