ES-3565 Rev.9

KAC

Plug-in Signal Conditioners K-UNIT

AC TRANSMITTER

Functions & Features
• Converting an alternating current/voltage into a standard process signal
• True RMS sensing
• Isolation up to 2000 V AC
• High-density mounting
Typical Applications
• Converting a large AC current in combination with a shunt resistor, or a narrow span AC voltage

MODEL: KAC–[1][2]–[3][4]

ORDERING INFORMATION

• Code number: KAC-[1][2]-[3][4]
Specify a code from below for each of [1] through [4].
  (e.g. KAC-A1A-B/Q)
• Special input and output ranges (For codes AZ, A8, Z & 0)
• Specify the specification for option code /Q
  (e.g. /C01/S01)

[1] INPUT

Current
AA: 0 – 10 mA AC (Input resistance 100 Ω)
AB: 0 – 50 mA AC (Input resistance 20 Ω)
AC: 0 – 100 mA AC (Input resistance 10 Ω)
AD: 0 – 500 mA AC (Input resistance 1 Ω)
AZ: Specify current (See INPUT SPECIFICATIONS)
(0 % input must be 0 mA.)
Voltage
A1: 0 – 100 mV AC (Input resistance 100 kΩ min.)
A2: 0 – 500 mV AC (Input resistance 100 kΩ min.)
A3: 0 – 1 V AC (Input resistance 100 kΩ min.)
A4: 0 – 5 V AC (Input resistance 100 kΩ min.)
A5: 0 – 10 V AC (Input resistance 100 kΩ min.)
A6: 0 – 120 V AC (Input resistance 100 kΩ min.)
A7: 0 – 150 V AC (Input resistance 100 kΩ min.)
A8: Specify voltage (See INPUT SPECIFICATIONS)
(0 % input must be 0 V.)

[2] OUTPUT

Current
A: 4 – 20 mA DC (Load resistance 750 Ω max.)
B: 2 – 10 mA DC (Load resistance 1500 Ω max.)
C: 1 – 5 mA DC (Load resistance 3000 Ω max.)
D: 0 – 20 mA DC (Load resistance 750 Ω max.)
E: 0 – 16 mA DC (Load resistance 900 Ω max.)
F: 0 – 10 mA DC (Load resistance 1500 Ω max.)
G: 0 – 1 mA DC (Load resistance 15 kΩ max.)
Z: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
1: 0 – 10 mV DC (Load resistance 10 kΩ min.)
2: 0 – 100 mV DC (Load resistance 100 kΩ min.)
3: 0 – 1 V DC (Load resistance 100 Ω min.)
4: 0 – 10 V DC (Load resistance 1000 Ω min.)
5: 0 – 5 V DC (Load resistance 500 Ω min.)
6: 1 – 5 V DC (Load resistance 500 Ω min.)
4W: -10 – +10 V DC (Load resistance 2000 Ω min.)
5W: -5 – +5 V DC (Load resistance 1000 Ω min.)
0: Specify voltage (See OUTPUT SPECIFICATIONS)

[3] POWER INPUT

AC Power
B: 100 V AC
C: 110 V AC
D: 115 V AC
F: 120 V AC
G: 200 V AC
H: 220 V AC
J: 240 V AC
DC Power
S: 12 V DC
R: 24 V DC

[4] OPTIONS

blank: none
/Q: Options other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
TERMINAL SCREW MATERIAL
/S01: Stainless steel

GENERAL SPECIFICATIONS

Construction: Plug-in
Connection: M3.5 screw terminals
Screw terminal: Chromated steel (standard) or stainless steel
Housing material: Flame-resistant resin (black)
Isolation: Input to output to power
Input waveform
  RMS sensing: Up to 15 % of 3rd harmonic content
Overrange output: 0 to 120 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)

INPUT SPECIFICATIONS

Frequency: 40 Hz min., 1 kHz max.
AC Current: 0 – 1 A AC; input resistor incorporated
Minimum span: 1 mA
Input resistance
Span 1 mA: 1 kΩ
Span ≤ 2 mA: 500 Ω
Span ≤ 5 mA: 200 Ω
Span ≤ 10 mA: 100 Ω
Span ≤ 20 mA: 50 Ω
Span ≤ 50 mA: 20 Ω
Span ≤ 100 mA: 10 Ω
Span ≤ 500 mA: 1 Ω
Span ≤ 1 A: 0.5 Ω
AC Voltage: 0 – 250 V AC
Minimum span: 50 mV
Input resistance: 100 kΩ min.

OUTPUT SPECIFICATIONS

■ DC Current: 0 – 20 mA DC
Minimum span: 1 mA
Offset: Max. 1.5 times span
Load resistance: Output drive 15 V max.
DC Voltage: -10 – +12 V DC
Minimum span: 5 mV
Offset: Max. 1.5 times span
Load resistance: Output drive 10 mA max.; 5 mA for negative voltage output; at ≥ 0.5 V

INSTALLATION

Power input
AC: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 2 VA
DC: Operational voltage range: rating ±10 %,
ripple 10 %p-p max., approx. 2 W (80 mA at 24 V)
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 400 g (0.88 lb)

PERFORMANCE in percentage of span

Accuracy: ±0.4 %
Temp. coefficient: ±0.05 %/°C (±0.03 %/°F)
Response time: ≤ 0.7 sec. (0 – 90 %)
Ripple: 0.5 %p-p max.
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @1 minute  (input to output to power to ground)

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM