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Option slot a connections - digital input module, Option slot a connections, Basic auxiliary input module – West Control Solutions 8700+ User Manual

Page 38: Pa1-w03, Digital input, Pa1-w04, Basic aux input

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-DIN,

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8

-DIN &

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- DIN Controllers & Indicators - Product Manual


59305, Issue 7

– March 2014

Connections

Page 33

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12

RS485

B

A

RS485

A


B

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17

18

COM

Option Slot A Connections - RS485 Serial Communications Module

If option slot A is fitted with the RS485 serial communication module, connections are as
illustrated. Carefully observe the polarity of the A (Rx/Tx +ve) and B (Rx/Tx -ve) connections.

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16

DIN

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4

DIN &

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8

DIN

Figure 32.

Option Slot A

– RS485 Serial Communications Module

Option Slot A Connections - Digital Input Module

If a digital input module is fitted in option slot A, this may be connected to either voltage free
contacts (e.g. switch or relay), or a TTL compatible voltage. Connections are shown below.

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16

DIN

1

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4

DIN &

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/

8

DIN

Figure 33.

Option Slot A

– Digital Input Module

Option Slot A Connections

– Basic Auxiliary Input Module

If option slot A is fitted with a basic auxiliary input module, connect as shown. For

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-DIN &

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8

-DIN models it is recommend that the full auxiliary input (Option Slot B) is used instead, as

this has additional features and leaves option slot A free for other modules.

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16

DIN

1

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4

DIN &

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/

8

DIN

Figure 34.

Option Slot A

– Basic Auxiliary Input Module

WARNING:

THIS MODULE MUST NOT BE FITTED IF FULL AUXILIARY INPUT IS FITTED IN OPTION
SLOT B.

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+

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