Watlow EZ-ZONE RME Manual de usuario descargar pdf (Pagina 28)

Watlow EZ-ZONE

RME Module • 25 • Chapter 2 Install and Wire

Warning: ç

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 pe-

ripheral 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 in-lb.) torque

Note:

Adjacent terminals may be la-

beled differently, depending on

the model

number.

Note:

To prevent damage to the con-

troller, do not connect wires to

unused terminals.

Note:

Maintain electrical isolation

between digital input-outputs,

switched dc/open collector out-

puts and process outputs

prevent ground loops.

Note:

If the last two digits of the part

number are "12", this equip-

ment is suitable for use in

CLASS I, DIVISION 2, Groups

A, B, C and D or Non-Hazard-

ous locations

only. Temperature

Code T4

Warning: ç

Explosion Hazard – Substitution of

component may impair suitability for

CLASS I, DIVISION 2.

Warning: ç

Explosion Hazard - Do not disconnect

while the circuit is live or unless the

area is known to be free of ignitable

concentrations of flammable sub-

stances.

Standard Bus EIA-485 Communications

T-/R-

common

Slot C

T+/R+

98 99 CF CD CE CZ CX CY

• Wire T-/R- to the A ter-

minal of the EIA-485

port.

• Wire T+/R+ to the B

terminal of the EIA-485

port.

• Wire common to the

common terminal of the

EIA-485 port.

• Do not route network

wires with power wires.

Connect network wires

in daisy-chain fashion

when connecting mul-

tiple devices in a net-

work.

• A 120 Ω termination re-

sistor may be required

across T+/R+ and T-/R-,

placed on the last con-

troller on the network.

• Do not connect more

than 16 EZ-ZONE RM

controllers on a net-

work.

• maximum network

length: 1,200 meters

(4,000 feet)

• 1/8th unit load on EIA-

485 bus

98 99

CF CD CE CZ CX CY

98 99

CF CD CE CZ CX CY

Use twisted pair wires such as Cat 5 cabling.

Do not route with power carrying conductors.

LINX

Model 485TB-2W

A(-)

B(+)

GND

B B electronics

USB Serial Conversion

0847-0326-0000

EZ-ZONE

to B&B Converter

Model ULINX 485USBTB-2W

USB to RS-485 Adapter

using Standard Bus

USB

Port

Data format

38,400 baud

8 data bits

no parity

1 start bit

1 stop bit

PC Software Protocol - Standard Bus

EZ-Configurator

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

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Watlow EZ-ZONE RME Manual de usuario Pagina 28

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