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Printed in U.S.A.

10/06

©

 

Copyright 2006 TAC All Rights Reserved.

F-24853-4

TAC

1354 Clifford Avenue
P. O. Box 2940
Loves Park, IL 61132-2940
www.tac.com

Application

The analog input module (MPC-8AI) is an expansion 
module that plugs directly into any of the four option 
slots available on the TAC MicroSmart Multi-purpose 
Controller (MSC-MPC), providing additional analog 
inputs to the MSC-MPC.

The MPC-8AI provides eight universal analog inputs 
that can be configured as 1000 ohms Balco, 1000 ohm 
platinum, 4-20 mA, 0-11 Vdc sensors, or status contact 
inputs.

SPECIFICATIONS

Model No.

MPC-8AI.

Agency Listings:

UL-916,

Energy Management Equipment.

UL-873,

Temperature Indicating and Regulating 

Equipment.

UL-864,

Smoke Control System Sub-assembly. 

Complies with FCC Class “A” requirements.

Warning:

Listed as a smoke control system sub-assembly. 

Not to be used by itself or as part of a TAC MicroSmart 
Control Network (RCM/NCM) in a smoke control application. 
For smoke control applications, install in accordance with F-
25645, “TAC DMS Smoke Control Systems Manual”.

Analog Inputs:

8 universal inputs individually configurable 

for any of the following:

1000 Ohm Platinum Temperature Sensor,

-40 to +240 

°F @0.1 °F resolution (-40 to 115 °C @ 0.06 °C 
resolution).

1000 Ohm Balco Temperature Sensor,

-28.6 to +240 

°F @ 0.1 °F resolution (-33.6 °C to +115 °C @ 0.06 °C 
resolution).

0-11 Vdc,

0.005 volt resolution.

4-20 mA,

0.01 mA resolution.

Contact Inputs,

Used for status monitoring of dry 

contacts.

Operating Environment:

32 to 122 °F (0 to 50 °C), 5-85% 

RH (non-condensing).

Power Requirements:

MPC-8AI derives all operating 

power from associated MSC-MPC.

Dimensions:

5” x 6.25".

Weight:

Net,

12-1/2 oz.

Shipping Weight,

13 oz.

MPC-8AI

Multi-Purpose Controller

Analog Input Module

Installation Guidelines

FCC Guidelines

This equipment has been tested and found to comply with the 
limits for a Class “A” digital device, pursuant to Part 15 of the 
FCC rules.

These limits are designed to provide reasonable protection 
against harmful interference when the equipment is operated 
in a commercial environment. This equipment generates, 
uses and can radiate radio frequency energy and, if not 
installed and used in accordance with the instruction manual 
may cause harmful interference to radio communications. 
Operation of this equipment in a residential area is likely to 
cause harmful interference in which case the user will be 
required to correct the interference at his own expense.

Pre-Installation

Warning:

To reduce risk of fire or electrical shock, install in 

a controlled environment relatively free of contaminants.

Before beginning the installation process for the MPC-8AI, 
visually inspect the unit for any obvious defects and to make 
sure all parts are included. If any flaws are detected, contact 
your local TAC office or authorized representative 
immediately.

Summary of Contents for MPC-8AI

Page 1: ...C to 115 C 0 06 C resolution 0 11 Vdc 0 005 volt resolution 4 20 mA 0 01 mA resolution Contact Inputs Used for status monitoring of dry contacts Operating Environment 32 to 122 F 0 to 50 C 5 85 RH non...

Page 2: ...2 Copyright 2006 TAC All Rights Reserved F 24853 4 Figure 1 TAC MicroSmart MPC 8AI Analog Input Module...

Page 3: ...rams and software assignments are provided below Note When installing the MPC 8AI be sure that the controller is fully seated to the backplate before and after the backplate is fastened to the enclosu...

Page 4: ...g the element OFSET simply subtract 77 from the value given in the table for OFSET 0 11 Vdc Analog Inputs When configured as a voltage sensor input the universal analog input measures between 0 and 11...

Page 5: ...percent open For the point to be calibrated set OFSET 0 and SCALE 4096 With the feedback wired drive the actuator valve fully open 100 Record the measured bit value displayed by the system for this p...

Page 6: ...rmally closed contact input excluding pulse inputs This input utilizes a 1K ohm 1 1 4 watt supervision resistor installed with the input device The device is terminated to the appropriate AI connector...

Page 7: ...e assignment required for the corresponding hardware address of the selected contact input is shown in Table 5 below Table 5 Assignments for AIs used as Normally Closed Contact Inputs INPNT AI as show...

Page 8: ...marks and registered trademarks are the property of their respective owners Information contained within this document is subject to change without notice F 24853 4 www tac com TAC 1354 Clifford Avenu...

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