Automated Logic U551 Teknik Talimatlar - Sayfa 8

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U module

LogiStat

LS5v

Temp

Gnd

Figure 7. Connecting the LogiStat to the U551

Strip 1/4 inch off the ends of the wires before

connecting.

1. Insert wire

into opening

Figure 8. Flip Lever Wiring

Refer to the section "Writing GFBs for the

U551" on page 9 for more information about

using a LogiStat sensor.

Digital Output Wiring

The U551 has five digital outputs that can be

connected to a maximum of 24 Volts AC/DC

(see Figure 9). Each output is a dry contact

(rated at 1A maximum) that is configured as

normally open.

DO-2

DO-1

BUSS

Figure 9. Digital Output Wiring

Be sure the module's power is off before

connecting any inputs or outputs.

Revised 8/14/02 • U551

LogiStat

1 2 3 4

2. Press black

tab down to

connect wire

Gnd

24VAC

To verify each output's operation, lock the

output to a known condition using the

Function Block's Properties page in WebCTRL

or the Parameter page in SuperVision, then

make sure the equipment operates as

specified.

Analog Output Wiring

The U551 has one analog output that

supports voltage devices from 0 to 10VDC

(see Figure 10). The device being controlled

must have a minimum of 2000 Ohms

resistance measured from its input to ground

and must share the same ground as the

module.

Gnd

AO-1

Figure 10. Analog Output Wiring

Be sure the U551's power is off before wiring

any inputs or outputs. Connect the output

wiring to the screw terminals on the module.

To verify each output's operation, lock the

output to a known condition on the Function

Block's Properties page in WebCTRL or the

Parameter page in SuperVision, then make

sure the equipment operates as specified.

Using Flow Sensors

The U551 controls air flow in the zone using:

• a USF (single) or UDF (dual) air flow

sensor and an actuator connected to

two digital outputs

In a dual duct system, you can use the

module's built-in actuator for one duct and

the UASF for the other. You must indicate

which of these methods you are using for

flow control on the UNI module driver's

Properties page in WebCTRL or on the

0 to 10V