Amx Input/Output Control Card NXC-I/O10 Uživatelský manuál stáhnout pdf (Strana 2)

For full warranty information, refer to the AMX Instruction Manual(s) associated with your Product(s).

12/07

AMX reserves the right to alter specifications without notice at any time.

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93-2021 REV: C

Pinouts, Signals, and I/O Mode Functions: Setting the Voltage Clamp Jumper (+12V or Open):

Set the V-Clamp jumper (J31) to +12V (default) to clamp any voltage

connected to I/O ports 1-10 to 12 V. Set to OPEN for connections that will

draw more than 12 V. Remember, the +12V and OPEN settings are only

enabled when the I/O ports are set to SW mode.

+12V Mode (default) and Open Mode settings

Use the default setting for all loads that require less than 12V.

When this jumper is set to Open, and an I/O port is used as an output; the

I/O port is rated at 85mA @ 28VDC.

Important! When this jumper is set to Open, it is the technician's

responsibility to clamp the external source relay anytime the voltage

exceeds 12 V.

The source relay should always be clamped, even if the voltage exceeds

12 V.

Contact the relay manufacturer to determine the size of the clamp diode to

place on the source relay.

NXC-I/O10 Pinouts, Signals, and I/O Mode Functions

Pin Signal SW mode Functions VO mode functions

1 Common Signal ground Common #1

2 I/O #1 Input #1 Input #1

3 Common Signal ground Common #2

4 I/O #2 Input #2 Input #2

5 Common Signal ground Common #3

6 I/O #3 Input #3 Input #3

7 Common Signal ground Common #4

8 I/O #4 Input #4 Input #4

9 Common Signal ground Common #5

10 I/O #5 Input #5 Input #5

11 Common Signal ground Common #6

12 I/O #6 Input #6 Input #6

13 Common Signal ground Common #7

14 I/O #7 Input #7 Input #7

15 Common Signal ground Common #8

16 I/O #8 Input #8 Input #8

17 Common Signal ground Common #9

18 I/O #9 Input #9 Input #9

19 Common Signal ground Common #10

20 I/O #10 Input #10 Input #10

FIG. 4 V- Clamp jumper (J31) settings

+12V mode setting (default)

Open mode setting

1 2

Installation Guide 1

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