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Model 4500 Premier Dust and Opacity Monitor
26
A3-13 Control Room Unit Connections
The Control Room Unit is displays data and status information. Make connections as described in the
table below. For full details refer to Control Room Unit Operating Instruction (Part Number 770.043).
CRU
Function
Termination Box
L1
CLOP 1+
4
L2
CLOP 1-
6
L3
CLOP 1 screen
5
L4
CLOP 2+
7
L5
CLOP 2-
9
L6
CLOP 2 screen
8
L7
System OK - Common
11
L8
System OK - OK
12
L9
Span Calibration - Common
23
L10
Span Calibration - In Progress
24
L11
Zero Calibration - Common
20
L12
Zero Calibration - In Progress
21
L13
Alarm 1 - OK
13
L14
Alarm 1 - Common
14
L16
Calibration Trigger - Input
36
L17
Calibration Trigger - Return
37
L20
Alarm 2 - OK
16
L21
Alarm 2 - Common
17
L23
Maintenance
27
L24
Maintenance - Common
26
Customer connections
Connections to Termination Box
Maximum Voltage 24 V
Caution
Risk of damage
to instrument.
Rear view of panel mounted Control Room Unit.
Summary of Contents for 4500 MKII Premier
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