MODEL: KSN
Plug-in Signal Conditioners K-UNIT
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
INPUT LOOP POWERED ISOLATOR
Functions & Features
/C02: Polyurethane coating
/C03: Rubber coating
• Loop-powered design eliminates output loop power supply
• 500 V DC input-to-output isolation
• 2 isolators housed in one enclosure
• 350 Ω output drive with 4 – 20 mA
• High-density mounting
TERMINAL SCREW MATERIAL
/S01: Stainless steel
GENERAL SPECIFICATIONS
Construction: Plug-in
Typical Applications
Connection: M3.5 screw terminals
Screw terminal: Chromated steel (standard) or stainless
steel
• Isolation between control room and field instrumentation,
between telemetering system and input device
• Eliminates ground problems in existing systems thanks to
easiness of application without requiring additional power
wiring
Housing material: Flame-resistant resin (black)
Isolation: Input to output; between channels
Zero adjustment (front)
Voltage output: -5 to +5 %
Current output: -0.5 to +0.5 %
Span adjustment (front)
50
(1.97)
Voltage output: 95 to 105 %
Current output: 98.5 to 101.5 %
80
(3.15)
INPUT & OUTPUT
123
(4.84)
■ Input 4 – 20 mA DC / Output 1 – 5 V DC
Equivalent input impedance: Approx. 250 Ω with 20 mA
input
mm (inch)
Operational range: 3 – 22 mA DC
(Accuracy is assured within 4 – 22 mA)
Load resistance: ≥ 50 kΩ
MODEL: KSN–2[1][2]
ORDERING INFORMATION
• Code number: KSN-2[1][2]
■ Input 10 – 50 mA DC / Output 1 – 5 V DC
Equivalent input impedance: Approx. 100 Ω with 50 mA
input
Specify a code from below for each of [1] and [2].
(e.g. KSN-2A6/Q)
Operational range: 7 – 55 mA DC
(Accuracy is assured within 8 – 55 mA)
Load resistance: ≥ 50 kΩ
• Specify the specification for option code /Q
(e.g. /C01/S01)
■ Input 4 – 20 mA DC / Output 4 – 20 mA DC
Equivalent input impedance: 230 Ω plus load resistance with
20 mA input
NO. OF CHANNELS
2: 2 channels
Operational range: 3 – 22 mA DC
[1] INPUT / OUTPUT
A6: 4 – 20 mA DC / 1 – 5 V DC
H6: 10 – 50 mA DC / 1 – 5 V DC
AA: 4 – 20 mA DC / 4 – 20 mA DC
HA: 10 – 50 mA DC / 4 – 20 mA DC
(Accuracy is assured within 4 – 22 mA)
Load resistance: 50 – 350 Ω (min. 50 Ω required for
adequate operation)
■ Input 10 – 50 mA DC / Output 4 – 20 mA DC
Equivalent input impedance: 90 Ω + [load resistance×0.16]
with 50 mA input
[2] OPTIONS
Operational range: 7 – 55 mA DC
blank: none
(Accuracy is assured within 8 – 55 mA)
Load resistance: 50 – 600 Ω (min. 50 Ω required for
/Q: With options (specify the specification)
KSN SPECIFICATIONS
ES-3514 Rev.9 Page 1/3
http://www.m-system.co.jp/
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