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Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153
Table 3-3. Analog Outputs
Board I/O # Description Type
10 1 Compressor VFD 4-20 mA
10 2 Condenser VFD 4-20 mA
10 3 % Slide Valve Position 4-20 mA
10 4
Motorized Valve (Cool Compression or Liquid
Injection), V+
4-20 mA
10 5 Spare / Unused 4-20 mA
10 6 Spare / Unused 4-20 mA
10 7 Spare / Unused 4-20 mA
10 8 Spare / Unused 4-20 mA
Figure 3-2. Digital I/O Board Layout
Section 3 • Hardware Architecture
Board I/O # Description Type
9 28 Auxiliary #12 0-5V, 1-5 V, 0-10V, 4-20 mA, RTD, ICTD
9 29 Auxiliary #13 0-5V, 1-5 V, 0-10V, 4-20 mA, RTD, ICTD
9 30 Auxiliary #14 0-5V, 1-5 V, 0-10V, 4-20 mA, RTD, ICTD
9 31 Auxiliary #15 0-5V, 1-5 V, 0-10V, 4-20 mA, RTD, ICTD
9 32 Auxiliary #16 0-5V, 1-5 V, 0-10V, 4-20 mA, RTD, ICTD
Table 3-2. Analog Inputs (2 of 2)