Model MicroCEM

Instruction Manual

748467-A January 2002

c. Interface Connections

Connection

Designator

Shell

No.

 

AWG

Table

Size

Contacts

 

 

 

 

 

 

 

 

AC Power

J1

12

3

 

16

Table 2-2

 

 

 

 

 

 

 

 

 

Analog Interface

J2

12

22

 

26, 24, 22

Table 2-3

 

 

 

 

 

 

 

 

 

Digital Interface

J3

14

37

 

26, 24, 22

Table 2-4

 

 

 

 

 

 

 

 

 

RS232

J4

10

13

 

28, 26, 24

Table 2-5

 

 

 

 

 

 

 

 

 

LAN Interface

J5

8

6

 

28, 26, 24, 22

Table 2-7

 

 

 

 

 

 

 

 

 

RS485

J6

8

3

 

24, 22, 20

Table 2-6

 

 

 

 

 

 

 

 

 

Phone Line (Modem)

J7

8

3

 

24, 22, 20

Table 2-8

 

 

 

 

 

 

 

 

 

Antenna (Peltier Power)

J8

16

3

 

14, 12

Table 2-9

 

 

 

 

 

 

 

 

 

 

 

Table 2-1. Interface Connections

 

 

 

 

 

 

 

 

 

 

 

 

SIGNAL NAME

 

 

DEFINITION

 

 

PIN

 

L1

 

85-264 VAC, 47-440 Hz

 

 

 

A

 

L2

 

 

 

 

C

 

 

 

 

 

 

 

 

GND

 

AC Ground

 

 

 

 

B

 

Table 2-2. AC Power Connection Terminal Assignments

 

 

 

 

 

 

 

 

 

SIGNAL NAME

 

 

DEFINITION

 

 

PIN

 

O2CL+

 

O2 Reading, 4-20 mA Output

 

 

1

 

O2CL-

 

 

 

2

 

 

 

 

 

 

 

 

COCL+

 

CO Reading, 4-20 mA Output

 

 

3

 

COCL-

 

 

 

4

 

 

 

 

 

 

 

 

NOX+

 

NOX Reading, 4-20 mA Output

 

 

5

 

NOX-

 

 

 

6

 

 

 

 

 

 

 

 

EXP1CL+

 

External process No. 1, Current Loop input, 4-20 mA

7

 

EXP1CL-

 

8

 

 

 

 

 

 

 

 

EXP2CL+

 

External process No. 2, Current Loop input, 4-20 mA

9

 

EXP2CL-

 

10

 

 

 

 

 

 

 

 

BAROP+

 

Barometric pressure Compensator

0-10V input

11

 

BAROP-

 

12

 

 

 

 

 

 

 

 

Table 2-3. Analog Output Terminal Assignments

Rosemount Analytical Inc. A Division of Emerson Process Management

Installation

2-11