AMX AXC-INP8 8 INPUT CARD User Manual

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AXC-INP8

Switch/Opto Voltage Input Card

Axcess Control Cards

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Table of Contents

Table of Contents

 

Product Information .................................................................................................

1

Input Mode Selections .............................................................................................

3

Input Mode Selection Jumpers..........................................................................................

3

Voltage Mode ....................................................................................................................

3

Switch Mode......................................................................................................................

3

AXC-INP8EightSwitch/Opto-LogicVoltage Input Card

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Table of Contents

 

ii

AXC-INP8EightSwitch/Opto-LogicVoltage Input Card

 

 

 

Product Information

Product Information

The AXC-INP8Switch Opto Voltage Input Card provides eight inputs that can respond to switch closures or voltage level (high/low) changes. Input signals may originate from tape transports, limit switches, foot mats, or the AMX PCS Power Current Sensor. Each input may be set for either switch closure (SW) or voltage operation (VO), allowing a combination of either application on the sameAXC-INP8card.

Inputs set to the switch mode share the same Axcess system ground. When an input is set to voltage mode, it is opto-isolatedfrom the system, and can accept AC or either polarity DC signals.

Specifications

Power requirement

Input impedance of 6.8 kΩ only requires 0.6 mA at 5 V

 

 

Power

Opto-isolatedAC

 

• Either polarity DC voltage level input (can be from logic devices TTL, CMOS,

 

etc.)

 

 

LEDs:

 

CR1

Indicates the switch or contact for Input 1 is closed when JP1 is in the SW posi-

 

tion; when JP1 is in the VO position, CR1 indicates a high voltage is present

 

(3.5 - 28 VDC or 2.5 - 24 VAC).

CR2

Operates the same for Input 2 - 8

 

 

Jumpers JP1 - JP8

 

VO position

Input is set to accept voltage change (0 - 1.5 VDC or 0 - 1 VAC low, 3.5 - 28

 

VDC or 2.5 - 24 VAC high).

SW position

Input is set to accept a switch or contact closure change (no isolation is avail-

 

able in this mode).

 

 

AXC-INP8EightSwitch/Opto-LogicVoltage Input Card

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Product Information

 

2

AXC-INP8EightSwitch/Opto-LogicVoltage Input Card

 

 

 

Input Mode Selections

Input Mode Selections

Input Mode Selection Jumpers

FIG. 1 shows the Input Mode selection jumpers.

1

A

 

Input 1

 

2

B

 

 

 

 

 

 

 

3

A

 

Input 2

 

 

 

 

 

4B

5A

6

B

 

 

Input 3

 

 

 

 

 

7

A

 

 

 

 

 

 

 

Input 4

8B

9A

10

B

 

Input 5

 

 

 

 

11

A

 

Input 6

 

12

B

 

 

 

 

 

13

A

 

Input 7

 

14

B

 

 

 

 

 

15

A

 

Input 8

 

16

B

 

 

 

 

 

FIG. 1 Input Mode selection jumpers

Voltage Mode

Voltage Mode is used to sense high and low voltage states, commonly from AC or DC signals from relay-controlledtape transports and LED feedback from preset dimming systems. This mode providesopto-isolation.

The jumper for each input should be set in the VO position before wiring the input signal to the card. An "on" (high) condition will be triggered by DC levels from 3.5 - 28 volts or an AC level from 2.5 - 24 volts. The required current is 0.6 mA at 5 V or 1.6 mA at 12 V.

Switch Mode

Switch Mode is used to sense switch or relay contact closures. Inputs using the AMX PCS Power Current Sensor will use this setting. Refer to the PCS and PCS2 Power Current Sensors instruction manual for additional information.

The jumper should be set in the SW position. Note that the "A" terminal of all inputs in Switch Mode shares the same common as the Axcess system ground. Sources that require isolation from the system ground should use the voltage mode, with the installer providing switched DC power for sensing, if required.

AXC-INP8EightSwitch/Opto-LogicVoltage Input Card

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

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