
Instruction Manual
748467-A
January 2002
2-12 Installation
Rosemount Analytical Inc. A Division of Emerson Process Management
Model MicroCEM
SIGNAL NAME
DEFINITION
PIN
SPUMPNO
1
SPUMPC
2
SPUMPNC
Sample Pump Control, Dry contact, 110V 1A Rating
3
DPUMPNO
4
DPUMPC
5
DPUMPNC
Drain Pump Control, Dry contact, 110V 1A Rating
6
PURGNO
7
PURGC
8
PURGNC
Purge Valve Control, Dry contact, 110V 1A Rating
9
CALNO
10
CALC
11
CALNC
Calibration Valve Control, Dry contact, 110V 1A Rating
12
TRBLNO
13
TRBLC
14
TRBLNC
Trouble Indicator, Dry contact, 110V 1A Rating
15
O2LR+
16
O2LR-
O2 Low Reading Digital output (0=LR)
17
COLR+
18
COLR-
CO Low Reading Digital output (0=LR)
19
NOxLR+
20
NOxLR-
NOx Low Reading Digital output (0=LR)
21
22
EXTDIG1-
Digital Input from External process
23
INCAL+
24
INCAL-
Initiate Calibration Switch Input
25
O2OL+
26
O2OL-
O2 Over Limit Indicator
27
COOL+
28
COOL-
CO Over Limit Indicator
29
NOxOL+
30
NOxOL-
NOx Over Limit Indicator
31
Not Used
32-37
Table 2-4. Digital Output Terminal Assignments