Watlow EZ-ZONE PM User Manual download pdf (Page 35)

Warning: Óç

Use National Electric (NEC) or other

country-specific standard wiring and

safety practices when wiring and

connecting this controller to a power

source and to electrical sensors or

peripheral devices. Failure to do so

may result in damage to equipment

and property, and/or injury or loss

of life.

Note:

Maximum wire size termination and

torque rating:

• 0.0507 to 3.30 mm

(30 to 12

AWG) single-wire termination or

two 1.31 mm

(16 AWG)

• 0.8 Nm (7.0 lb.-in.) torque

Note:

Adjacent terminals may be labeled

differently, depending on the model

number.

Note:

To prevent damage to the control-

ler, do not connect wires to unused

terminals.

Note:

Maintain electrical isolation be-

tween Analog Input 1, Digital I/O,

Switched dc/open collector outputs

and Process outputs to prevent

ground loops.

Note:

The control output common

terminal and the digital common

terminal are referenced to different

voltages and must remain isolated.

Watlow EZ-ZONE

PM Limit Controller • 32 • Chapter 2 Install and Wire

Connecting a Computer to PM Controls Using B&B 485 to USB Converter

USB

Port

EZ-ZONE

to B&B Converter

Model ULINX 485USBTB-2W

USB to RS-485 Adapter

using Standard Bus

PM6_ _ _ _-A_ _ _A_ _

Address 1 Address 2

Use twisted pair wires such as Cat 5 cabling.

Do not route with power carrying conductors.

Daisy chain wire up to 16 EZ-ZONE devices.

http://www.bb-elec.com/

LINX

Model 485TB-2W

A(-)

B(+)

GND

B B electronics&

USB Serial Conversion

PC Software Protocol - Standard Bus

EZ Configurator

Data format

38,400 baud

8 data bits

no parity

1 start bit

1 stop bit

0847-0326-0000

RESET

PM6 [L,M] _ _ _ _ - A A _ _ A A A

WATLOW

EZ-ZONE

RESET

Note:

DonotleaveaUSBtoEIA-485converterconnectedtoStandardBuswithout

power (i.e., disconnecting the USB end from the computer while leaving the

converterconnectedonStandardBus).DisturbanceontheStandardBus

may occur.

Note:

When connecting the USB converter to the PC it is suggested that the La-

tencyTimerbechangedfromthedefaultof16msecto1msec.Failureto

make this change may cause communication loss between the PC running

EZ-ZONE Configurator software and the control.

To modify Latency Timer settings follow the steps below:

1.NavigatetoDeviceManager.

2.DoubleclickonPorts.

3.RightclickontheUSBserialportinuseandselectProperties.

4. Click the tab labeled Port settings and then click the Advance button.

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Watlow EZ-ZONE PM User Manual Page 35

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