Wiring inputs and outputs

Wiring universal inputs

The Tracer MP581 controller has 12 universal inputs. Use the Rover ser- vice tool to configure inputs for analog or binary operation.

The common terminals on the Tracer MP581 termination board are con- nected to the metal enclosure by means of a ground screw. Shield wires should be connected to a common terminal. Table 17 shows the load the Tracer MP581 places on sensors.

Table 17. Load placed on sensors

Input type

Load on sensor

 

 

Vdc (linear)

21 kΩ

 

 

mA (linear)

221 Ω

 

 

Wiring binary inputs

Use binary inputs to monitor statuses, such as fan on/off and alarm resets.

To wire a binary input:

1.Connect the common wire to a common terminal as shown in Figure 34.

Note that, because the common terminals are in parallel, you can wire the common wire to any available common terminal.

2.Connect the shield wire to a common terminal at the termination board and tape it back at the input device.

3.Connect the signal wire to an available input terminal (IN1–IN12).

4.Use the Rover service tool to configure the input for binary operation.

Figure 34. Wiring a binary input

Signal

< 1000 ft

 

(300 m)

Common

Binary switch

Tape back shield

Shield

NOTE: To reduce the potential for transients, locate input devices in the same room with the Tracer MP581.

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Trane Engineered Smoke Control System for Tracer Summit, BAS-APG001-EN manual Wiring universal inputs, Wiring binary inputs

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