Number of channels per module

4 individually configurable voltage or current inputs

Distribution of channels into groups

1 (4 channels per group)

Resolution

Unipolar

Voltage: 0 V ... +5 V; 0 V ... +10 V: 12 bits

Current 0 mA ... 20 mA; 4 mA ... 20 mA: 12 bits

Bipolar

Voltage -2.5 V ... +2.5 V; -5 V ... +5 V: 12 bits including sign

Connection of the signals I0- to I3-

Terminals 3, 6, 9, 12

Connection of the signals I0+ to I3+

Terminals 2, 5, 8, 11

Input type

Differential

Galvanic isolation

No galvanic isolation between the inputs and the I/O bus

Common mode input range

Signal voltage plus common mode voltage must be within ± 12 V

Indication of the input signals

No

Channel input resistance

Voltage: >1 MW

Current: ca. 250 W

Conversion error of the analog values caused by non-linearity, adjustment error at factory and resolution within the normal range

Typ.

± 0.5 % of full scale (voltage)

± 0.5 % of full scale (current 0 mA ... 20 mA)

± 0.7 % of full scale (current 4 mA ... 20 mA)

at +25 °C

Max.

± 2 % of full scale (all ranges)

at 0 °C ... +60 °C or EMC disturbance

Time constant of the input filter

Voltage: 300 µs

Current: 300 µs

Relationship between input signal and hex code

⮫ Table

Analog to digital conversion time

Typ. 500 µs per channel

Unused inputs

Can be left open and should be configured as "unused"

Input data length

8 bytes

Overvoltage protection

Yes, up to 30 V DC only for voltage input

Max. cable length (conductor cross section > 0.14 mm²)

Unshielded wire

10 m

Shielded wire

100 m