SIMATIC PCS 7 Process Control System - Siemens
SIMATIC PCS 7 Process Control System - Siemens
SIMATIC PCS 7 Process Control System - Siemens
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11<br />
<strong>Process</strong> I/O<br />
ET 200M distributed I/O<br />
AI - analog input modules<br />
■ Selection and Ordering Data Order No.<br />
SM 331 modules for current and voltage measurements<br />
8 inputs in 4 channel groups,<br />
high-speed<br />
• Resolution 13 bit + sign<br />
• Measurement type and range<br />
selection adjustable per channel<br />
group<br />
• Current measurement 0/4 to<br />
20 mA (2 or 4 wires)<br />
• Voltage measurement<br />
• Limit monitoring adjustable for<br />
2 channels<br />
• Fast updating of measured value<br />
• Supporting of isochronous<br />
mode<br />
• Diagnostics inside module<br />
• Front connector required:<br />
20-contact<br />
6ES7 331-7HF01-0AB0<br />
8 inputs in 4 channel groups<br />
Redundant design possible<br />
(module and channel redundancy)<br />
• Resolution 15 bit + sign<br />
• Current measurement 0/4 to<br />
20 mA (8 channels; 2 or 4 wires)<br />
• Voltage measurement<br />
(8 channels)<br />
• Wire break monitoring<br />
• Diagnostics inside module<br />
• Front connector required:<br />
40-contact<br />
6ES7 331-7NF00-0AB0 B)<br />
8 inputs in 4 channel groups<br />
• Resolution 15 bit + sign<br />
• Fast module cycle (min. 10 ms<br />
for 4 channels)<br />
• Current measurement 0/4 to<br />
20 mA (8 channels; 2 wires with<br />
external supply or 4 wires)<br />
• Voltage measurement<br />
(8 channels)<br />
• Wire break monitoring<br />
• Short-circuit-proof<br />
• Isolation between channel<br />
groups<br />
• Diagnostics inside module<br />
• Front connector required:<br />
40-contact<br />
6ES7 331-7NF10-0AB0 B)<br />
11/20<br />
<strong>Siemens</strong> ST <strong>PCS</strong> 7 · November 2007<br />
© <strong>Siemens</strong> AG 2007<br />
■ Selection and Ordering Data Order No.<br />
SM 331 modules for temperature measurement<br />
8 inputs in 4 channel groups<br />
• Resolution 15 bit<br />
• Resistance thermometer<br />
Pt100 ... 1000, Ni100 ... 1000,<br />
Cu10 (8 channels; 2, 3 or<br />
4wires)<br />
• Short-circuit-proof<br />
• Wire break monitoring<br />
• Diagnostics inside module<br />
• Front connector required:<br />
40-contact<br />
6ES7 331-7PF01-0AB0 B)<br />
8 inputs in 4 channel groups<br />
• Resolution 15 bit<br />
• Thermocouples type B, C, N, E,<br />
R, S, J, L, T, K, U (8 channels),<br />
internal compensation; external<br />
compensation with Pt100<br />
through separate inputs possible<br />
• Fast module cycle (10 ms for<br />
4 channels)<br />
• Short-circuit-proof<br />
• Wire break monitoring<br />
• Diagnostics inside module<br />
• Front connector required:<br />
40-contact<br />
6ES7 331-7PF11-0AB0<br />
B) Subject to export regulations: AL: N, ECCN: EAR99H
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