Omron CJ Series Operation Manual page 206

5 Remote I/O Communications
• TNetCycInt:
Communications
mode
Communications mode 0
Communications mode 1
Communications mode 2
Communications mode 3
Communications mode 8
*1 Communications Mode 8
H = (Number of Word Output Slave Units × 0.313 µs) + (Number of Word Input Slave Units × 3.125 µs) +
(Number of Bit Output Slave Units × 0.078 µs) + (Number of Bit Input Slave Units × 3.125 µs)
H Calculation Example
Conditions
Baud rate
---
H = (32 × 0.313 µs) + (64 × 3.125 µs) + (48 × 0.078 µs) + (16 × 3.125 µs) ≅ 0.264 ms
• TCrmInMax:
Communications
mode
Communications mode 0
Communications mode 1
Communications mode 2
Communications mode 3
Communications mode 8
*1 Communications Mode 8
I = (Number of Word Input Slave Units × 0.625 µs) + [(Number of Word Output Slave Units or Word Input
Slave Units, whichever is greater) + (Number of Bit Output Slave Units or Bit Input Slave Units, whichever
is greater) × 0.5 µs]
I Calculation Example
Conditions
Baud rate
---
I = (32 × 0.625 µs) + {(48 + 128) × 0.5 µs} = 0.108 ms
• Tcpu:
5-54
Interrupt processing time
Baud rate
4.0 Mbps
0.40 ms
0.42 ms
0.48 ms
0.63 ms
0.37 ms + H (
*1
Word outputs
32 nodes
Maximum input processing time at Master Unit
Baud rate
4.0 Mbps
0.3 ms
0.31 ms
0.35 ms
0.34 ms
0.29 ms + I ( )
*1
Word outputs
48 nodes
Task period of CPU Unit
CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)
3.0 Mbps
0.45 ms 0.60 ms
0.48 ms 0.68 ms
0.53 ms 0.82 ms
0.69 ms 0.98 ms
) 0.43 ms + H ( ) 0.73 ms + H (
*1
Word inputs Bit outputs
64 nodes 48 nodes
3.0 Mbps
0.28 ms 0.26 ms
0.29 ms 0.27 ms
0.33 ms 0.37 ms
0.34 ms 0.38 ms
0.29 ms + I ( ) 0.33 ms + I (
*1
Word inputs Bit outputs
32 nodes 64 nodes
1.5 Mbps 93.75 kbps
6.90 ms
6.98 ms
7.11 ms
7.28 ms
) 7.03 ms + H (
*1
Bit inputs
16 nodes
1.5 Mbps 93.75 kbps
0.22 ms
0.27 ms
0.37 ms
0.38 ms
) 0.35 ms + I (
*1
Bit inputs
128 nodes
)
*1
)
*1