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Table 1-3. dual relay itb specifications – Micromod Micro-DCI: 53MC5000 Multi-Loop Process Controller Instruction Manual User Manual

Page 29

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Table 1-3. Dual Relay ITB Specifications

Item

Specification(s)

Safety classification

FM Approved: Nonincendive for Class 1, Div. 2, Group A,
B, C, & D hazardous locations.

WARNING

For use in Division 2 locations, the energy to relay contacts 8 and 11

must be limited to < 3 VA, < 28 V and 250 mA, resistive loads only.

The use of open contact type relays in a Class 1, Division 2 location is permitted only if the
energy switched by the contacts is limited to an intrinsically safe level. It is the user’s
responsibility to limit the energy.

Dimensions

3.5 in. (89 mm) long, 2.740 in. (70 mm) wide.

Number of outputs

2

Operational type

SPDT

External power requirements

+24 V, 35 mA for each relay.

Contact rating

10 Amps Resistive, 1 Amp Inductive, 250 V ac maximum.

Table 1-4. 16 Digital Input/Digital Output Option Board and ITB
Specifications

Item

Specification(s)

Safety classification

FM Approved: Nonincendive for Class 1, Div. 2, Group A,
B, C, & D hazardous locations.

Dimensions

11 in. (279.40 mm) long, 2.740 in. (70 mm) wide.

Maximum number of inputs/outputs

16

Operational type

OPTO 22 modules.

External power requirements

5 V @ 224 mA
24 V @ 420 mA

NOTE

When using this option, the 16 inputs and 16 outputs are mapped into

DI2-17 and DO2-17 respectively (32 total). Any mix of 16 I/O modules

can be installed; however, positions having input modules installed

must have the corresponding output DO bit set to 0. For example, if

the first module position (M1) is an input module, the DO2 bit (L026)

must be configured to 0 to indicate it is not an output module. The

status of the input module will be reflected in the DI2 bit (L002).

Section 1. Introduction

1-15