beautypg.com

Communications wiring (continued), Figure 8.13a, Figure 8.13b – Watlow Series F4P User Manual

Page 91

background image

Wa t l o w S e r i e s F 4 P

I n s t a l l a t i o n a n d W i r i n g

8 . 1 3

Communications Wiring (continued)

Figure 8.13a —

EIA/TIA 232 to EIA/TIA 485 Conversion

B&B Converter (B&B Electronics Manufacturing Company, 815 433-5100,
www.bb-elec.com)

CMC Converter (CMC Connecticut Micro-Computer, Inc., 800-426-2872,

www.2cmc.com)

Figure 8.13b —

GPIB Conversion to EIA/TIA 232 or EIA/TIA 485

Communications with Modbus RTU

ICS GPIB Bus Interface (ICS Electronics, 925 416-1000,

www.icselect.com)

9V

(dc) (see note)

120V

(ac)

COM.
T+/R+

T-/R-

EIA-232

ADA485L

EIA-485

A

B

A

B

G

9V

G

DI/O

DI/O

12

13

7-ft. comms cable -
Watlow p/n 0219-0217-0000

16

T-/R-

TD (A)

TD (B)

T+/R+

120V

(ac)

Power
Supply

+

GND

13
12

485SD9TB

GND

12V

(dc)

Watlow p/n 0830-0473-0002

Watlow p/n 0830-0473-0001

6 ft. comms cable -
Watlow p/n 0830-0473-0003

COM

16

ç

WARNING: To avoid
damage to property and
equipment, and/or injury
or loss of life, use
National Electric Code
(NEC) standard wiring
practices to install and
operate the Series F4P.
Failure to do so could
result in such damage,
and/or injury or death.

Note: The CMC
converter requires an
external power supply
when used with a laptop
computer.

GPIB

EIA-232 or
EIA-485

ICS Model 4899