Deif PPM 300 - Page 90

Figure 6.37 Connection of a 1-wire resistance measurement input (RMI)
RMI
COM
Figure 6.38 Connection of a 2-wire resistance measurement input (RMI)
RMI
COM
Figure 6.39 Connection of a dry contact with cable supervision
COM
R1
Requirements:
• The maximum resistance for the circuit and resistor (R1) is 330 Ω.
• R1 must be connected to the switch, and not to the controller terminals.
INSTALLATION INSTRUCTIONS 4189340909I UK Page 90 of 144