Distributed I/O System ET 200S

3.9 3.9
Properties
Digital electronic modules
3.9 4DI NAMUR digital electronic module (6ES7131-4RD00-0AB0)
Sensor switching
Resistance circuit of the sensor for wire break
monitoring
• Nominal voltage
24 V (15 V to 35 V)
18 kΩ
• Nominal voltage
48 V (30 V to 60 V)
39 kΩ
1 IEC 61131 does not provide technical specifications for UC modules. However, the values have
been adjusted to IEC 61131 as closely as possible.
2 Minimum load current is required in the case of wire-break monitoring.
4DI NAMUR digital electronic module (6ES7131-4RD00-0AB0)
General terminal assignment
• Digital electronics module with four inputs
• Encoder power supply 8.2 VDC
• Suitable for NAMUR sensors and both closed and open mechanical contacts
Note
Terminals 4, 8, A4, A8, A3 and A7 are only available at specified terminal modules.
Terminal assignment of the 4DI NAMUR (6ES7131-4RD00-0AB0)
Terminal Assignment Terminal Assignment Notes
1 DI0 5 DI1 • DIn: Input signal, channel n
2 DI2 6 DI3 • VS: Encoder power supply 8.2 VDC
3
4
VS
VS
7
8
VS
VS
• AUX1: Protective-conductor terminal or potential bus (freely usable
up to 230 VAC)
A4 AUX1 A8 AUX1
A3 AUX1 A7 AUX1
ET 200S
Manual, 12/2005, A5E00514527-03 3-31