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Communications wiring, Converter-to-microdin wiring example, Install and wire – Watlow MICRODIN User Manual

Page 28

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3 . 8 Wa t l o w M i c r o D I N

Install and Wire

Communications Wiring

Address

Power

Comms

Alarm

Temperature Controller

MicroDIN

Temperature Controller

MicroDIN

Control
Output

Input
Error

Address

Power

Comms

Alarm

Temperature Controller

MicroDIN

Temperature Controller

MicroDIN

Control
Output

Input
Error

Address

Power

Comms

Alarm

Temperature Controller

MicroDIN

Temperature Controller

MicroDIN

Control
Output

Input
Error

Address

Power

Comms

Alarm

Temperature Controller

MicroDIN

Temperature Controller

MicroDIN

Control
Output

Input
Error

1

2 3

4

Figure 3.8a - MicroDIN
communications daisy
chain via RJ-11
connectors.

Converter-To-MicroDIN Wiring Example

Green

RJ-11 to MicroDIN

TD (A)
TD (B)

RD (A)
RD (B)

SIG GND

TD (A)
TD (A)

Yellow

120V~

EIA-232

EIA-485

EIA-485

Power Supply

AD-1210

+

C

B

AD

Figure 3.8b- B&B
Converter to MicroDIN
Wiring
(B&B Electronics
Manufacturing Company,
Ph. 815-433-5100)

9

Î

Vdc (see NOTE)

120V

Å

(Vac)

Comms Plug

Red

Yellow

Yellow

Green

0219-0217-0000

7 ft. comms cable

EIA232

ADA485L

EIA-485

C

B

AD

A

B

A

B

G

9VDC

G

DI/O

DI/O

Figure 3.8c - CMC
Converter to MicroDIN
Wiring
(CMC Connecticut Micro-
Computer, Inc.
Ph. 800-426-2872)

Ó

WARNING:
To avoid potential electric
shock, use National
Electric Code (NEC) safety
practices when wiring and
connecting this unit to a
power source and to
electrical sensors or
peripheral devices.
Failure to do so could
result in injury or death.

NOTE:
If your network doesn’t
function, see

Chapter 2

for special
EIA- 485 considerations.

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