Electrical connection
iTHERM TrustSens TM371, TM372
14
Hauser
5
Electrical connection
5.1
Connecting requirements
According to the 3-A Standard electrical connecting cables must be smooth,
corrosion-resistant and easy to clean.
5.2
Connecting the device
NOTICE
To prevent damage to the device
‣
To prevent any kind of damage from the device electronics, leave the pins 2 and 4
unconnected. They are reserved for the connection of the configuration cable.
‣
Do not tighten the M12 plug too much, in order to prevent damage to the device.
M12x1
1
12...30 VDC
(4...20 mA)
3
0 V
(4...20 mA)
4
2
A
B
1 (BN) +
2 (WH) nc
3 (BU) -
4 (BK) nc
1.
2.
A0028623
6
Cable plug M12x1 and PIN assignment of the connection socket at the device
If voltage supply is connected correctly and the measuring device is operational, the LED is
illuminated green.
5.3
Ensuring the degree of protection
The specified degree of proctection is ensured when the M12x1 cable plug is tightened. In
order to reach IP69K degree of protection, appropriate cord sets with straight or angle
plugs are available as accessories.
Summary of Contents for iTHERM TrustSens TM371
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