Foxboro P0971DP RTD Input-Output Module or Card

Enclosure Diagnostic Alarms

The EMUprovides an alarm for power supply failure detection, fuse failure detection

via the FMU, door open, fan deterioration, and enclosure over temperature. The EMU

provides a composite diagnostic alarm from a graduated analog signal that indicates

individual alarms and is prewired to a Universal I/O module channel for indication and

alarm.

Enclosure Security

The enclosure can be physically locked with a customer-supplied padlock to provide

physical security. The enclosure is also fitted with a door open switch that is alarmed

via the Enclosure Monitoring Unit to alert plant personnel.

Enclosure Options

The enclosure can be configured with the following options:

• 120VACor230VACsupply

• Customersupplied cable glands or factory fitted Multi Cable Transit (MCT)

• Termination Assembly selection for IS, Non-IS, and manufacturer

• 64simplex UIOpoints, 64 redundant UIO points, or 48 simplex and 16 redundant

UIO points

• Third party communications through FBM232 modules for simplex Ethernet or

FBM233modules for redundant Ethernet

• Fiber optic connection to the HDLC Fieldbus using FCM2F10 modules

• Extended twinaxial connection to the HDLC Fieldbus using FBI200 modules

Legend

A 24VDCPowerDistribution Assembly

B AlarmDistribution Assembly Terminals

C PrimaryPowerSupply

D EnclosureMonitoring Unit

E DoorOpenSwitch

F PowerEntryTerminal Blocks

G SecondaryPowerSupply

H Fansforinternal air circulation

I

J

K Instrument Ground Bar

L Baseplate8-Position FBM

M InstrumentGround Bar

N CableEntry(Blank Gland Plate)

O Termination Assemblies (Phoenix Contact shown)

P WireTray,50mmx50mmx403mm(2inx2inx15.9in)

Q ElectroStatic Discharge Bonding Point

R Fiber-Optic Patch Panel

Baseplate 2-Position FCM

Fuse Monitoring Unit

S LockforCustomer-Supplied Padlock