Specifications and ratings, 1 general specifications, 2 ratings and performance – TOHO ELECTRONICS TTM-00BT User Manual

Page 32

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8. Specifications and ratings

8.1 General specifications

Power voltage

24V DC + 10% - 15%

Power consumption

8W or less

Insulation resistance

Between inputs and outputs, 500V DC, 20M

or more

Withstand voltage

Between inputs and outputs, 500V AC, 1 minute

Temperature/
humidity range

23

±

10C

°

/ 45 to 75%RH (non-condensing)

Power voltage

24V DC + 10% - 15%

Standard
environment

Vibration condition

0G

Temperature/
humidity range

-10 to 55

°

C / 35 to 85%RH (non-condensing)

Operating
environment

Power voltage

24V DC + 10% - 15%

Temperature/humidity
range

-20 to 65

°

C / 20 to 90%RH (non-condensing, non-freezing)

Vibration condition

0.5G (10 to 55Hz, 2 hours in each of the directions X, Y, and Z as installed on a
vertical panel)

Impact condition

0 to 50G (directions X, Y, and Z as installed on a vertical panel, with no continuous
impact)

Transportation/
storage
environment

Package drop

Drop height, 60cm (once each of the six sides, free fall without a rotary motion)

Machine
specifications

Weight

Approx. 450g


8.2 Ratings and performance

Thermocouple input

K and J switchover (JIS C 1602-1995)
Input resistance: 1M

or more

Effect of external resistance: 0.4

µ

V/

(0.01

°

C/

)

Burnout: Overdisplay
Measurement precision: Measurement ±(0.3% + 1 digit) or ±2

°

C, whichever

the larger
(to be specified under the standard environmental conditions, including the
cold contact compensation program)

Temperature
input

Input type

Resistance bulb input

Pt100/JPt100 switchover (JIS C 1604-1997)
External resistance: 0.2

°

C/

or less (per wire)

Burnout: Overdisplay
Bias current: approx. 2mA (flowing out of terminal A)
Measurement precision: Measurement ±(0.3% + 1 digit) or ±0.9

°

C,

whichever the larger
(to be specified under the standard environmental conditions)

Sampling period

200mS (at channel 8)

Power supply

LED3

Goes on when this product is on (green)

Control output

LED15 to 22

Goes on when the control output is turned on (red)

Temperature alarm
output

LED4 to 11

Goes on when the temperature alarm output is turned on
(red)

Heater wire break
alarm output

LED12

Goes on (red) when there is a heater wire break (there is no
output even if the output is turned on)

SSR breakdown alarm
output

LED13

Goes on (red) when there is an SSR breakdown (there is
output even if the output is turned off)

Error alarm output

LED14

Goes on (red) when there is a memory error, A/D error, or
sensor error

LED display

LED type

Communication

LED1
LED2

Blinks while receiving data (green)
Blinks while transmitting data (green)

Output in a special state

All outputs remain off for about 10 seconds after this product is turned on.
The control output is turned off when there is a measurement error.

Control
output/
temperature
alarm output

Open collector output

Output rating: 24V DC, 100mA (maximum) per point

Input voltage range

12 to 24V DC

±

10%

ON-state voltage

10.8V (min)

ON-state current

4mA (min)

OFF-state voltage

4V (max)

Voltage input

Minimum input time

500mS or more

CT input

±5% of the full span

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