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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
EXTDIG1+ 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