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Transferring project files, 1 downloading projects, Db-25 male db-9 female – Siemens DTU3005-B User Manual

Page 54: Cable type: 4 conductor round

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7

Transferring Project Files

50

Siemens Energy & Automation, Inc.

.
Figure 7.1

Null Modem Cable connection

The null modem cable will cross pins 2 and 3 (RXD
and TXD). On the computer end of the cable, pins 7
and 8 (RTS and CTS) should be connected together.
Also pins 1, 4, and 6 (DCD, DTR and DSR) should be
connected together. The cable diagram is illustrated in
Figure 7.1

. In addition, the DIP switches on the front of

the DTU3005B unit must be set to configuration mode
as described below.

1.

Power down the DTU3005B unit.

2.

Set the DIP switches to configuration mode per
the DIP switch settings listed below in Table 7.1
and shown in Figure 7.1.

3.

Restart the DTU3005B unit.

4.

The status LED on the front of the DTU3005 unit
flashes green to indicate that the unit is in config-
uration mode.

Note: To return the device to normal opera-

tion, the DTU3005B unit must be pow-
ered off while the DIP switch settings
are reset, then the unit will be in normal
operation mode when it is powered up.

Figure 7.2

DIP Switch Settings for Normal Operation

and Configuration Modes (Switch 4 is N/A)

7.1

Downloading Projects

Select Download project to DTU3005 from the Trans-
fer

menu, and the following screen appears.

Select Ok and the DTU3005 Editor software transfers
the currently displayed project to the DTU3005 unit.

Table 7.1

Mode Switch Settings

Mode

Switch 1

Switch 2

Switch 3

Status
LED

Normal
Operation

Off

Off

Off

On
steady

Configura-
tion

Off

Off

On

Flashing
Green

1

14

2

15

3

16

4

17

5

18

6

19

7

20

8

21

9

22

10

23

11

24

12

25

13

DTU3005B

Port 3

Personal Computer

RS-232 Port

2

TXD

3

RXD

7

Ground

1

DCD

2

RXD

3

TXD

4

DTR

5

Ground

6

DSR

7

CTS

8

RTS

DB-25 Male

DB-9 Female

5

9

4

8

3

7

2

6

1

Cable Type: 4 Conductor Round

Port 3