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MoniTrace Remote Monitoring Module (RMM2)
L1
L2
L3
N
K1
self-regulating
self-regulating
heating cable
heating cable
Circuit breaker configuration may vary according to local standards / requirements
Depending on the application one or three pole contactors may be used
The MoniTrace 200N unit independently controls two groups of trace-heating circuits. Remote
Monitoring Modules (RMM2) collect RTD inputs and communicate with the MoniTrace 200N central
control and monitoring unit using a single RS-485 bus.
Overview of Installation Procedure for the RMM2-EX-E
A. Mount RMM2 enclosure and install cables.
B. Connect power and earth wiring and select voltage operating range.
C. Connect RTD cables to the RMM2.
D. Select RS-485 address for the RMM2 and connect the RS-485 bus cables.
E. Initialise or update the MoniTrace 200N network and assign settings for each RTD (using the
MoniTrace 200N control panel).
Note: Installation to be performed by suitable trained personnel.
Note: Keep the MoniTrace Remote Monitoring Module clean and dry prior to installation to avoid
damage to internal components.
Note: When RMM2-E is used for DIN-rail installation in a local customised panel or enclosure,
must be added 10 earth terminals for earthing of RTDʼs and power cables. Terminals should
accept wires from 0.2 to 4 mm
max.
16A/C
46
17 23
60
L1
INT-1
48
Internal
C
K2
Alarm
47
INT-2
15 21
14
self-regulating
heating cable
.
2
K1 = Control contactor for group 1
K2 = Power monitor contactor for group1
Ext. Alarm
RS-485
61
L2
27
29
28
4
3
2
MONI 200 N
1
13 12 11
RTD 1
41
42
40
RS-485
To host
Pt 100 ambient
max.
16A/C
RS-485
Up to 16
RMM
L1
L2
RMMs
Sensor 8
Sensor 1
Pt 100
Pt 100
3
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