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3.3. Network ID Numbers
Each device on an RS485 segment has a net-
work dip switch that must be used to assign the
board a unique network ID number.
The network ID number makes a board
unique from other boards on the network of the
same type. This allows the site controller to find
it and communicate with it.
Boards of the same type should be numbered
in sequence, starting with one and continuing
with two, three, and so forth.
3.3.1. Numbering the MultiFlex 16
Both the MultiFlex16 and the previous-gen-
eration 16AI are recognized as "16AIs" by the
site controller, and therefore each one of both
types of boards should have a unique board
number.
The network ID on the MultiFlex 16 is set
using the first five dip switches on dip switch
bank S3. Refer to Figure 3-3 for dip switch set-
ting instructions.
S4
S3
S2
S1
16AI: POSITION 1-5 NETWORK ADDRESS (1-16)
POSITION 6-7 BAUD RATE (9600 or 19200)
ADDRESS
1
2
3
4
5
6
7
8
BOARD 1
BOARD 2
BOARD 3
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
ON
ON
ON
ON
BOARD 5
BOARD 6
BOARD 7
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
ON
ON
ON
ON
BOARD 9
BOARD 10
BOARD 11
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
1
ON
ON
ON
ON
BOARD 13
BOARD 14
BOARD 15
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
ON
ON
ON
ON
BOARD 17
BOARD 18
BOARD 19
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
ON
ON
ON
ON
BOARD 21
BOARD 22
BOARD 23
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
ON
ON
ON
ON
BOARD 25
BOARD 26
BOARD 27
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
ON
ON
ON
ON
BOARD 29
BOARD 30
BOARD 31
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
ON
ON
ON
Figure 3-3 - 16 Network ID and Baud Rate Switches
Network ID Numbers
BAUD RATE
1
2
3
4
5
6
7
8
BOARD 4
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
BOARD 8
9600 BAUD
19200 BAUD
2
3
4
5
6
7
8
BOARD 12
2
3
4
5
6
7
8
BOARD 16
2
3
4
5
6
7
8
BOARD 20
2
3
4
5
6
7
8
BOARD 24
2
3
4
5
6
7
8
BOARD 28
2
3
4
5
6
7
8
3.3.2. Numbering for MultiFlex
Combination I/O Boards
The "+", which appears on all MultiFlex
boards manufactured after May 2004, means the
board is equipped with a low-power network
transmitter. Up to 256 of these boards may be
connected to a single controller. If the board has
no "+" beside the model type, the maximum
number that can be connected to an E2 is 32.
If you have a mixture of plus and non-plus
boards, multiply the number of non-plus boards
by 8, and add that to the number of plus boards.
This will result in the maximum number of
boards you can interconnect.
Table 3-2 shows all of the combination Mul-
tiFlex I/O boards and the board numbers they
represent.
MultiFlex Model
16AI
Type
88 and 168
1
88AO and 168AO
1
168DO
1
1616L
1
1616LAO
1
1616LDO
1
Table 3-2 - Model Types and Board Address Requirements
Because the 1616 family of MultiFlex
boards contains the same amount of relays as
two 8RO boards, these boards must be config-
ured as two 8RO boards with consecutive num-
bers. Selecting an address on the output switch
will number the relay outputs as an 8RO with the
selected address and a second 8RO of the next
consecutive address (for example, setting the
switch to #1 will number the relays as 8RO #1
and #2).
8RO
4AO
8DO
1
1
1
1
1
2
2
1
2
1
The I/O Network • 11
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