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Appendix A ’Technical Specifications’ — Signal Processing
202 Amethyst III DTV Smart Switch
User Manual
Free Voltage Contacts (Relays)
Table A-6. GPI inputs specifications
Number of
relays

4 relays: Phoenix contacts
Phoenix
contacts

Header 3pts, 3.81 mm. PHOENIX CONTACT.
MC1,5/3-G-3,81.

closure to GND (Common)

switching current: 1 A max

maximum switching voltage: 15VDC

mechanical time-life: 1×10E5 operations (15 VDC/1A
(resistive) at 20°C, 1Hz)
Relays default
configuration

Relay 1: Power or switch position

Relay 2: Error or switch position

Relay 3: Warning or switch position

Relay 4: None, the relay is always released
Table A-5 provides examples of PHOENIX contact 3 points plugs. These
are references of plugs you can purchase to perform your relay
connections.
Table A-7. PHOENIX contact 3 points plugs
Item
number
Model Description
1803581 MC 1,5/ 3-ST-3,81

Plug component,

Nominal current: 8 A,

Nominal voltage: 160 V,

Pitch: 3.81 mm,

Number of positions: 3,

Connection type: Screw
connection,

Color: green
1826982 MCVW 1,5/ 3-ST-3,81

Plug component,

Nominal current: 8 A,

Nominal voltage: 160 V,

Pitch: 3.81 mm,

Number of positions: 3,

Connection type: Screw
connection,

Color: green