Technical \ Data of the Analog Inputs

Number of channels per module	16
Distribution of channels into groups	2 groups of 8 channels each
Connections of the channels I0- to I7- Connections of the channels I0+ to I7+	Terminals 1.0 to 1.7 Terminals 2.0 to 2.7
Connections of the channels I8- to I15- Connections of the channels I8+ to I15+	Terminals 3.0 to 3.7 Terminals 4.0 to 4.7
Input type	Bipolar (not with current or Pt100/Pt1000/Ni1000)
Electrical isolation	Against internal supply and other modules
Configurability	0…10 V, -10…+10 V, 0/4…20 mA, Pt100/1000, Ni1000 (each input can be configured individually)
Channel input resistance	Voltage: > 100 kW, current: ca. 330 W
Time constant of the input filter	Voltage: 100 µs, current: 100 µs
Indication of the input signals	1 LED per channel
Conversion cycle	2 ms (for 8 inputs + 8 outputs), with Pt/Ni… 1 s
Resolution	Range 0…10 V: 12 bits
	Range -10…+10 V: 12 bits + sign
	Range 0…20 mA: 12 bits
	Range 4…20 mA: 12 bits
Relationship between input signal and hex code	See tables Input Ranges Voltage, Current and Digital Input Analog Input Module AI523 and Input Ranges Resistance Analog Input Module AI523
Unused voltage inputs	Are configured as “unused”
Unused current inputs	Have a low resistance, can be left open-circuited
Overvoltage protection	Yes