Analog Inputs and Analog Outputs

Analog Input Characteristics

The table describes the characteristics of the analog inputs:

Characteristic

Voltage Input

Current Input

Number of maximum input channels

2

Input type

Single-ended

Input range

-10... 10 Vdc/0...10 Vdc

0...20 mA/4...20 mA

Input impedance

> 1 MΩ

250 ± 0.11% Ω

Sample duration time

10 ms per channel + 1 scan time

Total input system transfer time

20 ms + 1 scan time

Input tolerance

Maximum deviation at 25 °C (77 °F) without electromagnetic disturbance

± 1% of the full scale

Maximum deviation

± 2.5% of the full scale

Digital resolution

12 bit plus sign

Temperature drift

± 0.06% of the full scale

Common mode characteristics

80 db

Cross talk

60 db

Non-linearity

± 0.4% of full scale

Input value of LSB

5 mV

10 μΑ

Maximum allowed overload (no damages)

± 30 Vdc (less than 5 minutes)

± 15 Vdc (No damage)

± 30 mA dc

Protection type

Photo coupler between input and internal circuit

Cable

Type

Shielded

Length

3 m (9.84 ft) is in compliance with electromagnetic immunity.

NOTE: Compliance to electromagnetic immunity standards is limited to a 3 m (9.84 ft) cable length. In all cases, a maximum cable length of 10 m (32.80 ft) should not be exceeded.

Terminal blocks

Type: 3.5 mm (0.137 in.) pitch

Terminal blocks are removable

Analog Output Characteristics

Warning_Color.gifWARNING

UNINTENDED EQUIPMENT OPERATION

Do not exceed any of the rated values specified in the environmental and electrical characteristics tables.

Failure to follow these instructions can result in death, serious injury, or equipment damage.

The table describes the characteristics of the analog outputs:

Characteristic

Voltage Output

Current Output

Maximum number of outputs

2

Output range

-10... 10 Vdc/0...10 Vdc

0...20 mA / 4...20 mA

Load impedance

> 2 kΩ

< 300 Ω

Application load type

Resistive load

Settling time

10 ms

Total output system transfer time

10 ms + 1 scan time

Output tolerance

Maximum deviation at 25 °C (77 °F) without electromagnetic disturbance

± 1% of the full scale

Maximum deviation

± 2.5% of the full scale

Digital resolution

12-bit

Temperature drift

± 0.06% of the full scale

Output ripple

± 50 mV

Cross talk

60 db

Non-linearity

± 0.5% of the full scale

Output value of LSB

6 mV

12 μΑ

Protection type

Photo coupler between input and internal circuit

Output protection

Short circuit protection

Open circuit protection

Output behavior if input power supply is less than the power failed threshold

Set to 0

Cable

Type

Shielded

Length

3 m (9.84 ft) is in compliance with electromagnetic immunity.

NOTE: Compliance to electromagnetic immunity standards is limited to a 3 m (9.84 ft) cable length. In all cases, a maximum cable length of 10 m (32.80 ft) should not be exceeded.

Terminal blocks

Type: 3.5 mm (0.137 in.) pitch

Terminal blocks are removable

Analog RTD Input Characteristics

Warning_Color.gifWARNING

UNINTENDED EQUIPMENT OPERATION

Do not exceed any of the rated values specified in the environmental and electrical characteristics tables.

Failure to follow these instructions can result in death, serious injury, or equipment damage.

The table describes the characteristics of the analog RTD inputs:

Input Characteristics

Input sensor type

PT100/PT1000/NI100/NI1000

Input temperature range

PT100/PT1000: -200...600 °C (-328...1112 °F)

NI100/NI1000: -50...200 °C (-58...392 °F)

Measuring current

PT100/NI100

1.12 mA ± 3.5%

PT1000/NI1000

0.242 µA ± 3.5%

Input impedance

Typically 10 MΩ

Sample duration time

10 ms +1 cycle time

Wiring type

2/4-wire or 3-wire connection configured by software for each input

Conversion mode

Sigma delta type

Input filter

Low pass (1st order)

Resolution of temperature value

0.1 °C (0.18 °F)

Detection type

Open circuit (detection on each channel)

Input tolerance*

Maximum deviation at 25 °C (77 °F) without electromagnetic disturbance

± 5 °C (41 °F)

Maximum deviation at 25...50 °C (77...122 °F)

PT type: ± 5.6 °C (42.08 °F)

NI type: ± 5.2 °C (41.36 °F)

Temperature drift

30 ppm/°C

Digital resolution

16-bit

Rejection in differential mode

50/60 Hz

Typically 60 dB

Common mode rejection

Typically 80 dB

Isolation between channels

Not isolated

Permitted input signal

±5 Vdc max.

Cable length

PT100/NI100

< 20 Ω

PT1000/NI1000

< 200 Ω

Terminal blocks

Type: 3.5 mm (0.137 in.) pitch

Terminal blocks are removable

Noise resistance - cable

Shielded cable is necessary

* Excluding errors caused by the wiring

Analog Thermocouple Input Characteristics

Warning_Color.gifWARNING

UNINTENDED EQUIPMENT OPERATION

Do not exceed any of the rated values specified in the environmental and electrical characteristics tables.

Failure to follow these instructions can result in death, serious injury, or equipment damage.

The table describes the characteristics of the analog thermocouple inputs:

Input Characteristics

Input sensor type

Thermocouple

Input type range (1)

J (-200...760 °C) (-328...1400 °F)

K (-240...1370 °C) (-400...2498 °F)

R (0...1600 °C) (32...2912 °F)

B (200...1800 °C) (392...3272 °F)

S (0...1600 °C) (32...2912 °F)

T (-200...400 °C) (-328...752 °F)

E (-200...900 °C) (-328...1652 °F)

N (-200...1300 °C) (-328...2372 °F)

Input impedance

Typically 10 MΩ

Sample duration time

10 ms +1 cycle time

Conversion mode

Sigma delta type

Digital resolution

16-bit

Input filter

Low pass 1st order

Resolution temperature value

0.1 °C (0.18 °F) (Type J)

Detection type

Open circuit (detection on each channel)

Input tolerance

Maximum deviation at 25 °C (77 °F) without electromagnetic disturbance

Type K, R, B, S,N (including CJC): ± 9.2 °C (48.56 °F)Type J, E (including CJC): ± 8.2 °C (46.76 °F)Type T (including CJC): ± 7.2 °C (44.96 °F)

Maximum deviation at 25...50 °C (77...122 °F)

Type K, R, B, S,N (including CJC): ± 10.5 °C (50.9 °F)Type J, E (including CJC): ± 9.1 °C (48.38 °F)Type T (including CJC): ± 7.7 °C (45.86 °F)

Temperature drift

30 ppm/°C

Input tolerance - terminal temperature compensation

± 5 °C (41 °F) after 10 minutes.

Cold junction compensation in the temperature range (0...50 °C (122 °F))

Internal cold junction error: +/- 6 °C (42.8 °F) after operating 45 minutes.

Rejection in differential mode

50/60 Hz

Typically 60 dB

Common mode rejection

Typically 80 dB

Isolation between channels

Not isolated

Permitted input signal

± 5 Vdc max.

Warm up time

45 minutes

Terminal blocks

Type: 3.5 mm (0.137 in.) pitch

Terminal blocks are removable

Noise resistance - cable

Shielded cable is necessary

(1) Temperature measurement on PCB at terminal block for cold junction compensation.