Comparison : |
Item # 6AV6640-0AA00-0AX1, TD 400C Text Display Item # 6ES5728-8MA11, Terminal Ground ET100 (10 PK) Item # 6ES7211-0AA21-0XB0, CPU 221 Module Item # 6ES7211-0AA22-0XB0, CPU 221 Processor Module Item # 6ES7211-0AA23-0XB0, CPU 221 Compact Unit
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