ES-9658 Rev.0

R8-TST2

Remote I/O R8 Series

THERMOCOUPLE INPUT MODULE

(2 points, isolated)
Functions & Features
• Accepts direct input from an thermocouple
• Compact size remote I/O module
• Each channel is atachable/detachable independently with separable tension clamp terminal

MODEL: R8–TST2[1]

ORDERING INFORMATION

• Code number: R8-TST2[1]
Specify a code from below for [1].
  (e.g. R8-TST2/A/Q)
• Specify the specification for option code /Q
  (e.g. /C01)

[1] OPTIONS (multiple selections)

CJC Sensor
/A: External Sensor (must be specified)
Other Options
blank: none
/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating

RELATED PRODUCTS

• PC Configurator cable (model: MCN-CON or COP-US)
• PC configurator software (model: R8CFG)
Downloadable at our web site.

GENERAL SPECIFICATIONS

Connection
 • Input: Separable tension clamp terminal
 Excitation supply, internal bus:
    Connected to internal bus connector
 • Internal power: Via bus connector
Isolation: Input 1 to input 2 to exc. supply to internal bus or internal power
Zero adjustments: -32000 - 32000 (PC programming)
Span adjustments: -32000 - 32000 (PC programming)
Configurator software can handle 100 - 200℃ as numerical value of 0 - 10000
Input sensor setting:DIP switches on the side or with PC
Burnout detection: Selectable with the side DIP SW
Linearization: Standard
Cold Junction Compensation: CJC sensor attached to the input connector.
CJC can be configured per each input 1 and 2.
Module address: With rotary switch
Converted data range:
•Engineering unit value (°C, K) × 10 (integer)
•Engineering unit value (°F)
Terminating resistor: Built-in (DIP Switch, default: disable)
Configuration mode: With DIP switches on the side panel
Status indicator: Bi-color (red/green) LED; Refer to the instruction manual.
Input status indicators: Red LED; Refer to the instruction manual.

INPUT SPECIFICATIONS

Input resistance: 10kΩ minimum
Burnout sensing: 0.2 μA

INSTALLATION

Max. current consumption: 100 mA
Operating temperature: -10 to +55°C (14 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: DIN rail
Weight: 80 g (2.8 oz)

PERFORMANCE

Conversion accuracy: ±1°C (±1.8°F) except ±2.0°C (±3.6°F) for B, R, S, C, PR
Conversion rate: 100 msec. per channel
Data allocation: 2
Module addresses in use: 1
Cold junction compensation error:
±3°C at 25 ±10°C
±5.4°F at 77 ±18°F
(The described accuracy may be partially not satisfied when the input temperature is below 0°C. Consult factory.)
Temp. coefficient: ±0.03 %/°C (±0.02 %/°F)
Burnout response time: ≤ 1 sec.
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength:
  1000 V AC @ 1 minute (input 1 to input 2 to exc. supply to internal bus or internal power to ground)

STANDARDS & APPROVALS

EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive

EXTERNAL VIEW

WIRING

■ SEPARABLE TENSION CLAMP TERMINAL
Unit side connector:
MG's product
Cable side connector: DFMC1,5/2-ST-3,5 (Phoenix Contact) (included in the package)
Applicable wire size: 0.2 - 1.5 mm2
Stripped length: 10 mm
Recommended solderless terminal
 • AI0,25-10YE 0.25 mm2 (Phoenix Contact)
 • AI0,34-10TQ 0.34 mm2 (Phoenix Contact)
 • AI0,5-10WH 0.5 mm2 (Phoenix Contact)
 • AI0,75-10GY 0.75 mm2 (Phoenix Contact)
 • A1-10 1.0 mm2 (Phoenix Contact)
 • A1,5-10 1.5 mm2 (Phoenix Contact)

OPERATING MODE SETTING

(*) Factory setting
Caution ! - SW4-4 through 4-6 are unused. Be sure to turn off unused ones.

EXTERNAL DIMENSIONS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM