2-6
IB02601006E
www.eaton.com
Chapter 2:
Overview and Specifications IQ 250/260 Meter
KYZ/RS485 Port Specifications
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
]
[
Watt
P
pulse
Watthour
Kh
s
T
⋅
=
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
Summary of Contents for IQ 250
Page 2: ......
Page 22: ...3 6 IB02601006E www eaton com Chapter 3 Mechanical Installation IQ 250 260 Meter...
Page 38: ...4 16 IB2601006E www eaton com Chapter 4 Electrical Installation IQ 250 260 Meter...
Page 104: ...A 6 IB02601006E www eaton com Appendix A IQ 250 260 Navigation Maps IQ 250 260 Meter...
Page 134: ...A IQ 250 260 Meter Appendix B Modbus Mapping www eaton com IB02601006E MM 28...