·Some details are not shown. Please refer to specification sheets for all information.

OTT2

Plug-in Signal Conditioners M-UNIT

THERMOCOUPLE TRANSMITTER
(fiber optics isolation)

Functions & Features
• Isolation up to several hundred thousand volts with a fiber optics cable
• ON/OFF temperature control signal
• Linearization
• Burnout
• High-density mounting
Typical Applications
• Ion implanter
• Electron-beam devices
• Dust chamber
• Protection against inductive noises in power substations
 

MODEL: OTT2–[1]–[2][3]

ORDERING INFORMATION
• Code number: OTT2-[1]-[2][3]
Specify a code from below for each of [1] through [3].
  (e.g. OTT2-2-B/BL/Q)
• Temperature range (e.g. 0 – 800°C)
• Specify the specification for option code /Q
  (e.g. /C01/S01)

[1] INPUT THERMOCOUPLE
1: (PR) (Usable Range 0 to 1760°C, 32 to 3200°F)
2: K (CA) (Usable range -270 to +1370°C, -454 to +2498°F)
3: E (CRC) (Usable range -270 to +1000°C, -454 to +1832°F)
4: J (IC) (Usable range -210 to +1200°C, -346 to +2192°F)
5: T (CC) (Usable range -270 to +400°C, -454 to +752°F)
6: B (RH) (Usable range 0 to 1820°C, 32 to 3308°F)
7: R (Usable range -50 to +1760°C, -58 to +3200°F)
8: S (Usable range -50 to +1760°C, -58 to +3200°F)
N: N (Usable range -270 to +1300°C, -454 to +2372°F)
0: Specify

[2] 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

[3] OPTIONS (multiple selections)
Burnout
blank: Upscale burnout
/BL: Downscale burnout
/BN: No burnout
Other Options
blank: none
/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
TERMINAL SCREW MATERIAL
/S01: Stainless steel

RELATED PRODUCTS
• Thermocouple receiver (model: OTR2)
• Fiber optics cable:
  10 meters (model: AMPCP2-10M)
  20 meters (model: AMPCP2-20M)
  30 meters (model: AMPCP2-30M)
Optical cable used for the AMPCP2
  Mitsubishi Chemical Super Eska SH 4001
  Minimum bend radius: 25 mm
  Tension strength: ≤ 70 N
Connector used for the AMPCP2
  Broadcom HFBR-4532Z

• Recommended SSR: OMRON G3NA

GENERAL SPECIFICATIONS
Construction: Plug-in
Transmission method: Light pulse (100 – 500 Hz)
Maximum transmission distance: 30 meters (98 ft)
Connection
  I/O & power input
: M3.5 screw terminals
  Optical fiber: Connector
Screw terminal: Chromated steel (standard) or stainless steel
Housing material: Flame-resistant resin (black)
Isolation: Input or control output to power
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
Burnout: Upscale standard; downscale or no burnout optional
Linearization: Standard
Cold junction compensation: CJC sensor attached to the input terminals (B thermocouple is without CJC as standard)
Power indicator LED: Green LED turns on when the power is supplied.

INPUT SPECIFICATIONS
Minimum span: 3 mV
Offset: Max. 1.5 times span
Input resistance: 30 kΩ min.
Burnout sensing: 0.1 μA

Minimum span (in °C)
(PR): min. span 370°C
K (CA): min. span 75°C
E (CRC): min. span 50°C
J (IC): min. span 60°C
T (CC): min. span 75°C
B (RH): min. span 780°C
R: min. span 360°C
S: min. span 380°C
N: min. span 110°C

Minimum span (in °F)
(PR)
: min. span 670°F
K (CA): min. span 140°F
E (CRC): min. span 90°F
J (IC): min. span 110°F
T (CC): min. span 140°F
B (RH): min. span 1410°F
R: min. span 650°F
S: min. span 690°F
N: min. span 200°F

Note: The described accuracy may be partially not satisfied when the temperature ranges below 0°C.  Consult factory.

OUTPUT SPECIFICATIONS
Control Output: External SSR
(output from the OTT2)
Drive: Approx. 15 V; Z0 = 1.2 kΩ

INSTALLATION
Power input
AC: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 3 VA
DC: Operational voltage range: rating ±10 %
ripple 10 %p-p max., approx. 2.6 W (110 mA at 24 V)
Operating temperature: -5 to +60°C (23 to 140°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 350 g (0.77 lb)

PERFORMANCE in percentage of span
Accuracy: ±0.3 % (at over 400°C or 750°F for R, S and PR; over 770°C or 1420°F for B)
(Overall performance with the OTT2 and OTR2 combined)
Cold junction compensation error
(at 20°C ±10°C or 68°F ±18°F)
  K, E, J, T & N: ±0.5°C or ±0.9°F
  S, R & PR: ±1°C or ±1.8°F
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
(at over 770°C or 1420°F for B)
Response time: ≤ 0.6 second (0 – 90 %) (Overall performance with the OTT2 and OTR2 combined)
Burnout response: ≤ 10 sec.
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute
(input or temp. control output to power to ground)

EXTERNAL VIEW

EXTERNAL DIMENSIONS unit: mm (inch)

TERMINAL ASSIGNMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

FUNCTIONS

M-System Co., Ltd.