Installation Manual

2-7 IM02601001E www.eaton.com
Overview and Specications
KYZ/RS485 Port Specications
RS485 Transceiver; meets or exceeds EIA/TIA-485 Standard:
Type: Two-wire, half duplex
Min. Input Impedance: 96kΩ
Max. Output Current: ±60mA
Wh Pulse
KYZ output contacts (and infrared LED light pulses through face plate):
(See Chapter 6 for Kh values.)
Pulse Width: 90ms
Full Scale Frequency: ~3Hz
Contact type: Solid State – SPDT (NO – C – NC)
Relay type: Solid state
Peak switching voltage: DC ±350V
Continuous load current: 120mA
Peak load current: 350mA for 10ms
On resistance, max.: 35Ω
Leakage current: 1µA@350V
Isolation: AC 3750V
Reset State: (NC - C) Closed; (NO - C) Open
Infrared LED:
Peak Spectral Wavelength:940nm
Reset State: Off
Internal Schematic: Output timing:
(De-energized State)
NO
C
NC
90ms
90ms
][
3600
][
WattP
pulse
Watthour
Kh
sT






⋅
=
LED
ON
LED
ON
LED
OFF
LED
OFF
LED
OFF
IR LED Light Pulses
Through face plate
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
KYZ output
Contact States
Through Backplate
P[Watt] - Not a scaled value
Kh – See Section 6-4 for values