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Installation Instructions
The Analogue Connection PCB provides electrical terminal
connections for an Analogue Cable connected to a Land SPOT
Thermometer.
There are three lengths of analogue output cable available as
standard:
•
5 m / 16 ft
Part Nº 807950
•
20 m / 66 ft
Part Nº 807951
•
100 m / 328 ft
Part Nº 807952
You can use the connection PCB to access the required analogue
outputs from the SPOT Thermometer.
The Analogue Connection PCB is designed to be fitted to a
standard 35mm DIN rail.
Each terminal must be tightened to a torque setting of 0.45 to
0.50 Nm
1)
Choose a mounting location for the Analogue Connection
PCB so that the analogue cable can be routed securely and
safely from the thermometer to the PCB.
Refer to Electrical Connections (Fig. 1). Connect the free
2)
ends of the Analogue Cable to the Instrument Connections
terminals on the PCB. Match the wire colour to the
appropriate terminal.
3)
You can now use the Control Room Connections terminals
to connect to the required analogue outputs from the SPOT
Thermometer. Refer to Fig. 1 and the terminal labels on
the PCB to identify which analogue outputs are available.
Key to Control Room Connections
1
DC Power 24V (18 to 30V).
2
Current output, configurable as 0 to 20mA or 4 to 20mA
with associated temperature range.
3
Relay used for instrument CMD Out, configurable as
Normally Open (NO) or Normally Closed (NC). This output
can be used as a switch in circuits up to 50V.
4
24V DC input used for instrument CMD In, configurable as
NO/NC.
Each of the above outputs can be configured on the SPOT
instrument back panel, on the Webserver, or in the Viewer software.
Electrical Connections
1
2
3
4
Note:
Torque settings for connection terminals:
Minimum:
0.45 Nm
Maximum:
0.50 Nm
Fig. 1
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