MODEL: KWRS2
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)
5: Pt 50 Ω (JIS'81)
Plug-in Signal Conditioners K-UNIT
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 100°C, 180°F)
6: Ni 508.4 Ω
RTD TRANSMITTER
(CE, two isolated outputs)
(Usable range: -50 to +200°C, -58 to +392°F; min.span: 30°C, 54°F)
0: Specify
Functions & Features
• Accepting direct input from an RTD and providing
two standard process signals
Note: Consult M-System for 2-wire RTD
• Linearization
[2] OUTPUT 1
• Burnout protection
Current
• "Active bridge" circuit containing two constant current
sources allows large leadwire resistances up to 200 Ω
• Fast response type available
• High-density mounting
A: 4 – 20 mA DC (Load resistance 600 Ω max.)
B: 2 – 10 mA DC (Load resistance 1200 Ω max.)
C: 1 – 5 mA DC (Load resistance 2400 Ω max.)
D: 0 – 20 mA DC (Load resistance 600 Ω max.)
E: 0 – 16 mA DC (Load resistance 750 Ω max.)
F: 0 – 10 mA DC (Load resistance 1200 Ω max.)
G: 0 – 1 mA DC (Load resistance 12 kΩ max.)
Z: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
Typical Applications
• Long distance transmission between the RTD and the
transmitter
• Combination with intrinsic safety barriers
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 1000 Ω min.)
4: 0 – 10 V DC (Load resistance 10 kΩ min.)
5: 0 – 5 V DC (Load resistance 5000 Ω min.)
6: 1 – 5 V DC (Load resistance 5000 Ω min.)
0: Specify voltage (See OUTPUT SPECIFICATIONS)
72
(2.83)
80
(3.15)
K-U
N
IT
132
(5.20)
[3] OUTPUT 2
mm (inch)
Current
A: 4 – 20 mA DC (Load resistance 350 Ω max.)
B: 2 – 10 mA DC (Load resistance 700 Ω max.)
C: 1 – 5 mA DC (Load resistance 1400 Ω max.)
D: 0 – 20 mA DC (Load resistance 350 Ω max.)
E: 0 – 16 mA DC(Load resistance 430 Ω max.)
F: 0 – 10 mA DC (Load resistance 700 Ω max.)
G: 0 – 1 mA DC (Load resistance 7000 Ω max.)
Z: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
MODEL: KWRS2–[1][2][3]–[4][5]
ORDERING INFORMATION
• Code number: KWRS2-[1][2][3]-[4][5]
Specify a code from below for each of [1] through [5].
(e.g. KWRS2-4AA-H/BL/Q)
• Temperature range (e.g. 0 – 500°C)
• Special output ranges (For codes Z & 0)
• Specify the specification for option code /Q
(e.g. /C01/S01)
Same range availability as Output 1
[4] POWER INPUT
AC Power
Note: When the user requires a current and a voltage
output, specify the current to be the Output 1 which allows
a greater load.
G: 200 V AC
H: 220 V AC
J: 240 V AC
[1] INPUT RTD (2- or 3-wire)
1: JPt 100 (JIS'89)
DC Power
S: 12 V DC
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 50°C, 90°F)
3: Pt 100 (JIS'89)
R: 24 V DC
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)
4: Pt 100 (JIS'97, IEC)
KWRS2 SPECIFICATIONS
ES-3519 Rev.7 Page 1/3
https://www.m-system.co.jp/