Omron GRT1-CRT - 05-2008 Operation Manual page 64

I/O Allocations to CompoNet Master Unit
• Bit Output Units Only
CompoNet
4-point
4-point
Communications
DC Output
DC Output
Unit
Unit
Unit
Four-point DC Output Unit (GRT1-OD4): 4 bits × 64 = 32 bytes in Output Area
Two bytes are used for CompoNet Communications Unit status.
The total is 32 bytes in the Output Area and two bytes in the Input Area
• Word Input Units Only
2-point 2-point
CompoNet
Analog
Analog
Communications
Input
Input
Unit
Unit
Unit
Two-point Analog Input Unit (GRT1-AD2): 2 words (4 bytes) × 7 = 28 bytes in Input Area
Two bytes are used for CompoNet Communications Unit status. The total is 30 bytes.
• Word Output Units Only
2-point 2-point
CompoNet
Analog
Analog
Communications
Output
Output
Unit
Unit
Unit
Two-point Analog Output Unit (GRT1-DA2C): 2 words (4 bytes) × 8 = 32 bytes in Output Area
Two bytes are used for CompoNet Communications Unit status.
The total is 32 bytes in the Output Area and two bytes in the Input Area.
• Word Units and Bit Units Together
CompoNet 4-point
Communications DC Input
Unit Unit
12 Units
Four-point DC Input Unit (GRT1-ID4): 4 bits × 12 = 6 bytes in Input Area
Analog Input Unit (GRT1-AD2): 2 words (4 bytes) × 6 = 24 bytes in Input Area
Two bytes are used for CompoNet Communications Unit status.
→ Total: 32 bytes in Input Area
4-point
DC Output
Unit
64 Units
2-point
2-point
Analog Analog
End Unit
Input
Input
Unit
Unit
7 Units
2-point
2-point
Analog Analog
End Unit
Output
Output
Unit
Unit
8 Units
2-point
4-point
2-point
Analog
DC Input
Analog
Input Unit
Unit
Input Unit
6 Units
Section 5-3
4-point
DC Output
End Unit
Unit
End Unit
45