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XTP601 User's Manual
4.4.3
Calibration Gases
Cylinders of the appropriate Zero and Span gases should be available for installation
and commissioning. Dependent on the specific duty of the analyzer, these gases may
have a lead time of several weeks. See Section 3 for more information.
If you are having difficulty in finding a local gas supplier, please contact your local
Michell representative for assistance.
4.5
Electrical Installation
4.5.1
Power Supply and Input/Output Signal
The XTP601 requires 24 V DC power input at a maximum start-up current of 1.5 A.
All versions will use a braid screened multi-core cable. Ideally, one cable for signals
(PL4, PL5) and another cable for power (PL9) / relay contacts (PL1). Braid of cables
must be well terminated at the cable glands. Wire sizes should be between 28 to 16
AWG.
The terminal blocks for the power supply, input signal and output signal are located
underneath the lower PCB. NOTE: The terminal blocks are color co-ordinated to
match the connectors - make sure this color coding is adhered to.
Pin1
4.5.2
Power Supply (PL9 - Green)
Michell Instruments
Pin1
PL9
PL5
JMP3
Figure 31
PIN 3
0 V
PL4
JMP4
Terminal Block Locations
PIN 2
N/C
24 V ±4 V
INSTALLATION
Pin1
PL1
Pin1
Relays
PIN 1
31
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