WILKERSON INSTRUMENT CO., INC.

MM1000A DC Input Plug-In Single Alarm
Mighty Module

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MM1000A

MM1000A
DC Input
Plug-In
Single Alarm
Mighty Module

$179.00

The following information must be entered to complete your order:
See "Specifications" below for Input range limits.

Power:

Input:
Zero Scale
Full Scale
Units
Alarm: Alarm Action

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Specifications
 
  • Features
  • Description
  • Specifications
  • Dimensions
  • Connections
  • Provides a DPDT Relay Contact Closure at a Preset DC Input
  • Standard Fail-Safe Operation
  • Green LED Relay Status Indicator
  • Adjustable Deadband
  • 1 V or 1 mA Minimum Input Span
  • Unlimited Choice of Input Ranges ( Within specified range limits )
  • Choice of Power Options
  • 10 Year Warranty

The MM1000A is a lower cost alternative to the MM1000 DC limit alarm for standard applications. The MM1000A monitors a DC input and trips a dpdt, 5 A relay when the input exceeds the desired level. The alarm has a green LED to indicate relay status.

Setpoint adjustment is provided by a 25-turn trimpot, adjustable from below 0% to above 100% of span.

Deadband, also a 25-turn trimpot, is adjustable from below 1% to above 100% of span. A user-changeable jumper may be changed to provide high or low trip.

All Wilkerson products are designed with RFI filters and lightning protection to reduce susceptibility to electrical noise and damage by lightning.

For options or input ranges not provided by MM1000A, refer to MM1000 or FR1000.

TYPICAL APPLICATIONS
DC Motor/current limit, level/position control, HI/LO pressure alarm, power demand warning.

INPUT RANGE
Select any input range within the following limits:
Voltage Min span 1 V Max input 250 V
Offset 0 V min, 100% of span max (example, +10/+20 V)

Current
Min span 1 mA Max input 100 mA
Offset 0 mA min, 100% of span max (example, +50/+100 mA)

INPUT IMPEDANCE
Voltage 200 kilohms
Current

Input Value Input Shunt Value

1 mA
10 mA
20 mA
4/20 mA
100 mA
1 A
2A
5 A

100 Ohm
10 Ohm
5 Ohm
61.9 Ohm
1 Ohm
0.1 Ohm
0.05 Ohm
0.01 Ohm

SETPOINT
0 to 100% of span, min

DEADBAND
1% to 100% of span, min

RELAY CONTACTS (dpdt)
Resistive Load 5 A max, 150 W max, 220 VAC max, 30 VDC max
Inductive Load (Power factor 0.4) 2.5 A max, 75 W max,
220 VAC max, 30 VDC max

RESPONSE TIME
20 ms typical

ACCURACY
±0.1% of span

COMMON MODE REJECTION
120 dB, DC to 60 Hz

OPERATING TEMPERATURE
14°F to 140°F/-10°C to 60°C

TEMPERATURE STABILITY
±0.02% of span/°C max

POWER
115 VAC 10%, 50 or 60 Hz (2.5 W max)
230 VAC 10%, 50 or 60 Hz (2.5 W max)
115/230 VAC (Selectable)
(DC Power Option)
24 VDC (limits 21 VDC to 32 VDC) (2.5 W max)
12 VDC (limits 10 VDC to 15 VDC)

Isolation, DC power supply to input common: 10 kilohms

 

Mighty Module Dimension Drawing

PIN 1
PIN 2
PIN 3
PIN 4
PIN 5
PIN 6
PIN 7
PIN 8
PIN 9
PIN 10
PIN 11
Power AC L1 or DC +
No Connection
Power AC L2 or DC -
Input +
Input -
Relay Set 1 NO
Relay Set 1 C
Relay Set 1 NC
Relay Set 2 NO
Relay Set 2 C
Relay Set 2 NC
Specifications    Manual

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