Automated Logic M4106nx Technische Anweisungen - Seite 4

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power input terminals is outside this range,

the module may not work properly.

1. Turn the module's power off. This

prevents the module from being powered

up before the proper voltage is verified.

2. Make sure the 24VAC power source is off.

3. Connect the power wires to the module's

power terminals labeled Ground and

24VAC (see Figure 1 on page 2 for

location).

4. Apply power to the transformer.

5. Make sure that 24VAC is present at the

module's power input terminals.

6. Set the module's address. Refer to

"Addressing" on page 3 for details about

setting the address.

7. Turn the module's power switch on.

When the module turns on, the Run and

Power LEDs turn on. The Run LED begins

blinking and the Error LED turns off. See

Table 7 on page 10 to troubleshoot the

LEDs. If the module does not respond, call

Technical Support at (770) 429-3002.

CMnet Communications

The M4106nx module can connect to the

CMnet at 9600 bps, 38.4 kbps, or 156 kbps.

When communicating at 156 kbps, the CMnet

uses a unique implementation of the industry

standard ARCNET protocol called ARC156.

For a summary of the differences between

ARCNET and ARC156, please refer to ARC156

CMnet Wiring Technical Instructions.

Use the appropriate wire for CMnet

communications. When using an ARC156

CMnet, use an A3ARC156 wire available

from:

Magnum Cable Corporation

Cleveland, OH 44110-0500

(800) 421-0820

Revised 3/29/00 • M4106nx

Use a dedicated 22AWG to 18AWG twisted

pair wire for legacy CMnet (EIA-485) wiring.

For more information about CMnet wiring,

refer to the Technical Handbook or to ARC156

CMnet Wiring Technical Instructions.

1. Be sure the module's power is off before

wiring it to the CMnet.

2. Check the network communication wiring

for shorts and grounds.

3. Connect the CMnet wires to the module's

screw terminals as shown in Figure 3. Be

sure to follow the same polarity as the rest

of the CMnet.

# 3 0 9

Figure 3. Wiring the CMnet

4. Make sure the module is configured for

the correct baud rate. All modules on the

CMnet must use the same baud rate.

On an ARC156 CMnet (156 kbps), set the

CMnet Mode jumper to ARC156 (see

Figure 4 for the switch's location).

3 0 9 4 / 0

9 6 0 0 /

L e g a c y

3 8 . 4 k

Figure 4. Using an ARC156 CMnet

If you are using a legacy CMnet (9600 bps

or 38.4 kbps), set the CMnet Mode jumper

to Legacy 9600/38.4k, and use the baud

rate DIP switch to determine the baud rate

(see Figure 5 for the switches' locations).

Net +

N e t

C M ne t

N e t

Net -

S hie ld

Shield

CMnet Mode

9600/

ARC156

38.4k