Siemens SIMATIC TI505 Bedienungsanleitung PDF herunterladen (Seite 17)

Installation and Set-up

1-6

SIMATIC TI505/TI500 MODNIM User Manual

1.3 Setting the Dipswitches

The

MODNIM module has two blocks of dipswitches.

•

The block of 8 dipswitches is used to select the MODNIM’s address on

the network.

•

The block of 10 dipswitches is used to configure the network

communications parameters.

NOTE:

The configuration and address switch settings are read only once

following a power-up or RESET

. Be sure to reset the MODNIM following

any change in dipswitch settings or PLC memory configuration. In addition,

be aware that when the MODNIM is reset, no communication can occur

from the host to the module for several seconds.

Each node on a Modbus network must have a unique address. The range of

valid addresses is

247

(0000 0001 to 1

1 01

1). The address is set in

binary numbers using the block of 8 dipswitches.

NOTE:

Addresses 0 or 248 to 255 (0000 0000 or 1

1 1000 to 1

1 1

1) are

invalid addresses and, if selected, cause the module to go into T

est mode.

Figure 1-3 shows examples of network addresses and their corresponding

dipswitch settings. (W

ith the Series 505 MODNIM, hold the module with

the faceplate pointing upward, as shown in Figure 1-5. For the Series 500

MODNIM, refer to Figure 1-6 for dipswitch orientation.)

128

Bit

Weight

(0000

0001)

Address

12345678

128

(0001 1001)

Address

12345678

128

203

100 101

Address

12345678

Represents direction to slide a sliding-type switch, or

side of switch to press down on a rocker-type switch

on Series 505 MODNIM.

00011001

00000001

11001011

Figure 1-3 Address

Setting Examples

Dipswitch

Functions

Setting the Network

Address

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 90 91

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