ES-3606 Rev.7

KS2TR2

Plug-in Signal Conditioners K-UNIT

TEMPERATURE INPUT LIMIT ALARM

(digital adjustments; dual alarm trip)
Functions & Features
• Providing relay contact closures at preset DC input levels
• Dual (Hi/Lo) trip
• Front digital displays
• Programmable with front keys
Typical Applications
• Various alarm applications

MODEL: KS2TR2–1–[1][2]

ORDERING INFORMATION

• Code number: KS2TR2-1-[1][2]
Specify a code from below for each of [1] and [2].
  (e.g. KS2TR2-1-R/Q) 
• Specify the specification for option code /Q 
  (e.g. /SET)

TEMPERATURE INPUT

Thermocouple input
K(CA), E(CRC), J(IC), T(CC), B(RH), R, S, P(Platinel Ⅱ),
C(WRe 5-26), N
RTD input
JPt 100 (JIS ’89) , Pt 100 (JIS ’97, IEC)

OUTPUT

1: Relay; SPDT or transfer contact

[1] POWER INPUT

AC Power
M2: 100 – 240 V AC (Operational voltage range 85 – 264 V,
 47 – 66 Hz)
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[2] OPTIONS

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

SPECIFICATIONS OF OPTION: Q

EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
 (No. ESU-3606)

GENERAL SPECIFICATIONS

Construction: Panel flush mounting, plug-in
Connection: M3.5 screw terminals
Screw terminal: Nickel-plated steel
Housing material: Flame-resistant resin (gray)
Isolation: Input to SET1 to SET2 to power
Time constant for the input filter (P-dF): 5.0 to 900.0 sec. (0 – 63 %)
Alarm relay switching delay time (P-d1, P-d2): 1 to 10 sec.; programmable independently for each setpoint
Programming: Front key
Setpoint adjustment (ST1, ST2): -5 to +105 %; programmable independently for each setpoint
Deadband (hysteresis) (HYS1, HYS2): 0 – 102 %; programmable independently for each setpoint
Burnout: Upscale or downscale or no burnout
Cold junction compensation (CJM): ON or OFF; for
thermocouple input only; CJC sensor incorporated
Power ON delay (P-d0): 0 to 20 sec.
Read rate: 0.5 sec.
Temperature unit (P-F): °C, °F
Alarm mode (P-A1, P-A2): Programmable independently for each setpoint; See Table below.

DISPLAY

Display: 4 digits of 10 mm (.39”) height, 7-segment LED
Scaling range: -1999 to 9999 counts
Measured Value (PV)/Alarm (SET1) display: Red LEDs
Alarm (SET2) parameter display: Green LEDs
PV display at abnormal input: Over range or under range displayed
Front LEDs
Power indicator: Green LED turns on while the power is turned on.
Measured Value (PV) indicator: Green LED turns on when PV display is set.
Alarm SET1 indicator: Red LED turns on when the Alarm SET1 is in tripped conditions.
Alarm SET2 Indicator: Red LED turns on when the Alarm SET2 is in tripped conditions.
Engineering unit indication: Sticker label attached; ℃, °F, etc.

INPUT SPECIFICATIONS

• Thermocouple
Thermocouple type and temperature range
  J (IC) : (0 to 400°C or 32 to 752°F)
  J (IC) : (0 to 800°C or 32 to 1472°F)
  K (CA) : (0 to 400°C or 32 to 752°F)
  K (CA) : (0 to 800°C or 32 to 1472°F)
  K (CA) : (0 to 1200°C or 32 to 2192°F)
  R : (0 to 1600°C or 32 to 2912°F)
  B (RH) : (0 to 1800°C or 32 to 3272°F)
  S : (0 to 1600°C or 32 to 2912°F)
  T (CC) : (-199 to 200°C or -328 to 392°F)
  T (CC) : (-150 to 400°C or -238 to 752°F)
  E (CRC) : (0 to 800°C or 32 to 1472°F)
  E (CRC) : (-199 to 800°C or -328 to 1472°F)
  N : (0 to 1300°C or 32 to 2372°F)
  P (Platinel Ⅱ) : (0 to 1300°C or 32 to 2372°F)
  C (WRe 5-26) : (0 to 2300°C or 32 to 4172°F)
Input resistance: ≥ 1 MΩ
Burnout sensing: Approx. 0.3 μA
■ RTD
RTD type and temperature range:
  Pt 100 (JIS '97, IEC): (-150 to +850°C or -238 to +1562°F)
  JPt 100 (JIS '89): (-150 to +600°C or -238 to +1112°F)
Sensing current: Approx. 0.3 mA
Maximum leadwire resistance: 20 Ω per wire

OUTPUT SPECIFICATIONS

■ Relay Contact: SPDT relays
220 V AC @3 A (cos ø = 1)
30 V DC @3 A (resistive load)
Caution: N.O. and N.C. contacts could be conductive at the same time. DO NOT connect both contacts at the same time.
Maximum switching voltage: 220 V AC or 30 V DC
Maximum switching power: 660 VA or 90 W
Minimum load: 10 V DC @1 mA
Mechanical life: 2 × 107 cycles with no loads
For maximum relay life with inductive loads, external protection is recommended.

INSTALLATION

Power consumption
•AC:
 ≤ 5 VA at 100 V
 ≤ 6 VA at 200 V
 ≤ 6 VA at 264 V
•DC: ≤ 2.5 W
Operating temperature: -10 to +55°C (14 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Panel flush mounting with attached
mounting bracket, surface or DIN rail
Weight: 200 g (0.44 lb)

PERFORMANCE

Display accuracy
•Thermocouple: ±0.5 % FS ± 1 digit ± 3°C (5.4°F)
  ±1 % FS ± 1 digit ± 3°C (5.4°F) for T, E (≤ -100°C, ≤ -148 °F)
  ±5 % FS ± 1 digit ± 3°C (5.4°F) for B (0 – 500°C, 32 – 932°F)
  ±1 % FS ± 1 digit ± 3°C (5.4°F) for R (0 – 400°C, 32 – 752°F)
 (In case of type B thermocouple the accuracy near 0°C may be degraded due to the characteristic of the sensor.)
•RTD: ±0.5 % FS ± 1 digit
Setpoint accuracy: Display accuracy ± 0.1 % FS
Trip point repeatability: Included in the setpoint accuracy
Cold junction compensation error: ±3°C at 25 ±5°C (±5.4°F at 77 ±9°F)
Burnout response: Approx. 10 sec.
Line voltage effect: Included in the display accuracy
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @1 minute
(input to SET1 or SET2 to power)
500 V AC @1 minute (SET1 to SET2)

STANDARDS & APPROVALS

EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
Low Voltage Directive 
  EN 61010-1
  Installation Category II (power)
  Measurement Category II (output)
  Pollution Degree 2
  Input to output to power: Basic insulation (300 V)
RoHS Directive

EXTERNAL VIEW

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

PANEL CUTOUT unit: mm

■PANEL CUTOUT

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM