14
5.4 Protection against high medium temperatures
For medium temperatures over 122 °F some parts of the housing can heat up to
over 140 °F.
►
Protect the housing against contact with flammable substances and uninten-
tional contact�
6 Electrical connection
The unit must be connected by a qualified electrician�
The national and international regulations for the installation of electrical
equipment must be adhered to�
Voltage supply to EN50178, SELV, PELV�
►
Disconnect power�
►
Connect the unit as follows:
Pin1
Ub+
Pin3
Ub-
Pin4
(OUT1)
Switching signal: limit values for volumetric flow�
Switching signal: quantity meter reached preset value�
Pulses: 1 pulse every time the defined volumetric flow quantity is reached�
Pin2
(OUT2/InD)
Switching signal: limit values for volumetric flow�
Switching signal: limit values for temperature�
Analogue signal for volumetric flow�
Analogue signal for temperature�
Input for meter reset signal�
Core colours of ifm sockets:
1 = BN (brown), 2 = WH (white), 3 = BU (blue), 4 = BK (black)�