ES-9806 Rev.8

MP1700

Limit Alarms M-PAC

FREQUENCY INPUT LIMIT ALARM

Functions & Features
• Accepting pulse input from turbine meters, positive 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: MP17[1][2]-[3]-[4]/[5]

ORDERING INFORMATION

• Code number: MP17[1][2]-[3]-[4]/[5]
Specify a code from below for each of [1] through [5].
  (e.g. MP1700-2-F/T/V)
• Frequency range (e.g. 0 – 500 Hz)

[1] RELAY CONTACT OUTPUT

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

[2] SETPOINT CONTROL

0: Front-accessed three-turn screwdriver adjust
2: Remote dial connections (total resistance 1 k – 100 kΩ)
3: DC programmable (0 – 1 V DC)

[3] INPUT

1: ON-OFF pulse (dry contact or open collector)
2: Voltage pulse

[4] POWER INPUT

AC Power
F: 120 V AC
J: 240 V AC
DC Power
S: 12 V DC
R: 24 V DC

[5] OPTIONS

H: Latching operation for dual trip;
reset at power off (5 seconds min.)
(dual trip type only)
R: Reversed relay sense
T: Transmitter output (0 – 1 V 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 (dual trip type only)

GENERAL SPECIFICATIONS

Construction: Plug-in
Connection: M3.5 screw terminals
Screw terminal: Chromated steel
Housing material: Flame-resistant resin (black)
Isolation: Input to output to power
(non-isolated between I/O with Option V)
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (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 LED turns on at a tripped condition
Power ON timer: Relays de-energized for approx. 2 seconds after power is turned on.
Low-end cutout: Approx. 5 %

INPUT SPECIFICATIONS

■ Input
Frequency range: 0 – 50 Hz through 10 kHz
Pulse width (time) requirement: Duty ratio 20 – 80 % at 100 % input
• ON-OFF Pulse: Dry contact or open collector
Sensing: Approx. 7.5 V DC @1 mA
• Voltage Pulse: Square or sine waveforms
Input amplitude: 2 – 50 Vp-p
■ Setpoint Control
Remote dial connections
Potentiometer
: Total resistance 1 k – 100 kΩ
Excitation: 4 V DC
DC programmable: 0 – 1 V DC

OUTPUT SPECIFICATIONS

Relay Contact
• Single / Latching: Isolated DPDT relay; de-energized at trip
• Dual: Isolated SPDT relay; energized at trip
Rating: 120 V AC @ 3 A (cosø=1)
30 V DC @ 3 A (resistive load)
Electrical life: 105 cycles
Mechanical life: 107 cycles
For maximum relay life with inductive loads, external protection is recommended.
Relay Drive Voltage Output (option V): 24 V DC average; drives 1.2 kΩ or greater coil impedance
Transmitter Output (option T): 0 – 1 V DC; 1 mA max. (setpoint and process input)

INSTALLATION

Power input
AC: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 2 VA
DC: Operational voltage range: rating ±10 %
ripple 10 %p-p max.
  80 mA at 24 V
  160 mA at 12 V
Operating temperature: -5 to +60°C (23 to 140°F)
Storage temperature: -20 to +85°C (-4 to +185°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface (DIN rail available for 11-pin base)
Weight: 400 g (0.88 lb)

PERFORMANCE in percentage of span

Repeatability: ±0.2 %
Temp. coefficient: ±0.05 %/°C (±0.03 %/°F)
Response time: (0 – 100 % at 90 % setpoint)
  approx. 2 seconds for 0 – 50 Hz
  approx. 1 second for 0 – 100 Hz
  approx. 0.5 seconds for 0 – 500 Hz
  approx. 0.5 seconds for 0 – 10 kHz
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1000 V AC @ 1 minute
(input to output to power)
2000 V AC @ 1 minute (output to ground)
Common mode noise rejection:
  60 Hz: Greater than 120 dB
  DC: Greater than 140 dB

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

MOUNTING REQUIREMENTS unit: mm [inch]

BLOCK DIAGRAM

I/O TERMINAL ASSIGNMENT