GE Kelman DGA 900 Plus - Page 25

MA-041 – DGA 900 Plus - Installation & Commissioning Manual - Rev 1.1 4-Mar-22 Page 25 of 99
The digital inputs for the cooling status and thermal models wiring are shown in Figure 7-2. Digital inputs are polarised, and the positive supply
must be connected to the D+. Maximum current is 25 mA. Maximum voltage is 24 V.
Figure 7-2: Cooling Banks – digital inputs (25 mA max & 24 V max)