PVA-CSK Call station kit

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Technical Specifications
Buttons (through screw-terminal connectors)	5 pre-programmed 15 programmable zone/function buttons 3 supervised programmable optional emergency buttons 2 connections for each button; 23 buttons share 6 common VCCs (3V3 - DC) Each button has short circuit protection
LEDs connected to buttons (through screw-terminal connectors	This kit supports open drain outputs with max. 5 mA per output. Using the internal supply, a maximum of 100 mA can be sourced for all outputs. The kit also provides an external power supply for lighting LEDs of external normal buttons. 2 connections (VCC & open collector) are available for each LED connected to a button. In total, 38 LEDs share 10 common MIX_PWR_LED. These LEDs are supplied with 5 V DC using the internal power supply. The connected LEDs are supplied with 24 V DC using the external power supply. Each LED circuit has short-circuit protection.
Power LED (through screwterminal connectors)	Driven by MIX_PWR_LED (5 V DC or 24 V DC) 2 connections (VCC & open collector)
Fault LED (through screwterminal connectors)	Driven by MIX_PWR_LED (5 V DC or 24 V DC) 2 connections (VCC & open collector)
Alarm LED (through screwterminal connectors)	Driven by MIX_PWR_LED (5 V DC or 24 V DC) 2 connections (VCC & open collector)
Included LCD display kit	A flat ribbon cable connects the display to the call station kit mainboard. The ribbon cable length is +/- 300 mm
Others (through screw-terminal connectors)	1 audio source (line in) 1 supervised microphone input (LBB9081) capsule and PTT button connection (input & VCC) with short-circuit protection. 1 loudspeaker connection, 1 additional +24 V DC power supply
External connectors	1 call station bus connector (control data + audio + power supply, RJ-45) 1 EXT connector (RJ-12, e.g. for call station extension)
Main power supply
• Nominal voltage	24 V DC (-10%/+30%)
• Maximum voltage range	15–58 V DC
Nominal current consumption for main power supply	< 100 mA
Maximum supply current
• External power supply for lighting, without extensions	< 80 mA/24 V < 110 mA/18 V
• Internal power supply for lighting, without extensions	< 150 mA/24 V < 200 mA/18 V
CAN interface	10, 20, or 62.5 kbit/s
Maximum mic input level	-21 dBu
Maximum line input level	+4 dBu
NF output	Balanced
• Nominal level	+6 dBu
• Maximum level	+12 dBu
Frequency response	200–16,000 Hz, +0/-3 dB
Signal-to-noise ratio (Mic and Line input, NF output)	≥ 60 dB
Buttons
• Nominal voltage	3.3 V DC
• Max current	100 mA
PTT input switch
• Nominal voltage	3.3 V DC
• Max current	100 mA
LEDs
• Nominal drive current	5 mA for each LED
• Maximum drive current	20 mA for each LED
• Nominal drive voltage	• 5 V by internal power supply for 5-V point lighting LEDs • 24 V by external power supply for 24-V ring lighting LEDs
Additional power supply for industrial buttons backlight
• Nominal voltage	24 V DC (-10/+30%)
• Nominal current consumption	< 300 mA
• Maximum supply current	t < 500 mA at 24 V
External speaker
• Nominal resistance	8 Ω
• Power rating	1.5 W
• Maximum power	2 W
• Nominal operating voltage	3.5 V
Normal microphone (LBB9081 reference)
• Sensitivity	3.1 mV/Pa ±4 dB
• Frequency response	280–14000 Hz
• Rated output impedance	500 Ω
• Polar pattern	Omnidirectional
• Switch	On/off with remote control contact