Installation guide

Estimating Network Performance
890 USE 100 00
85
MODBUS PLUS NETWORK
CPU
1 2 3 4 5 6
CPU CPU CPU CPU CPU
Figure 36 Predicting Response Time
Planning Loading
Originating
Node
Type of Communication Receiving Node
1 MSTR always ON 50 registers 2
MSTR ON for 500 ms 100 registers 3
MSTR always ON 75 registers 4
2 MSTR always ON 100 registers 1
MSTR always ON 75 registers 4
3 Global Data ON 16 registers All
MSTR always ON 75 registers 4
4 Global Data ON 32 registers All
Guidelines are provided on the next page for calculating the time
required for obtaining data.