Omron SYSDRIVE 3G3EV SERIES


 Operation Specifications
Control input
One photocoupler input terminal (24 VDC, 8 mA)
•Multi-function input [S1]
Control output
One photocoupler input terminal (48 VDC, 50mA)
•Multi-function output [PA]
 Communication Specifications
Communication
method
Two-conductor, half duplex
Synchronization
method
Start-stop synchronization
Transmission path
Two-conductor cable (VCTF 0.75 x 2C recommended)
Interface
RS-485
Transmission speed
187.5 kbps
Transmission distance
200 m (total length)
Number of I/O points
2 points (input: 1 point, output: 1 point)
 Response Time in SYSMAC BUS System
T
on
: Input ON response time
T
c
: Cycle time
T
rm
: Communication cycle time =
Σ
(T
rt
+T
tt
)
T
rt
: Transmission time per Remote I/O Slave Unit
= 1.4ms + (0.2ms x n)
n : Total number of I/O points in the Slave Unit
T
tt
: Transmission time per Inverter = 4ms
T
min
: Minimum response time for Inverter output = 5ms
T
max
: Maximum response time for Inverter output = 25ms
N : Number of SYSMAC BUS Master Units installed
•
C1000H, C2000H, and C2000
Minimum response time = T
on
+2T
c
+T
rm
+T
min
Maximum response time = T
on
+3T
c
+2T
rm
+ 0.5(T
rt
+T
tt
)+T
max
•
C500(F) and C120(F)
Minimum response time = T
on
+T
c
+T
rm
+T
min
Maximum response time = T
on
+2T
c
+2T
rm
+ 0.5(T
rt
+T
tt
)+T
max
•
C200H and C200HS
(When remote transmission time is less than scanning time)
Minimum response time = T
on
+2T
c
+T
min
Maximum response time = T
on
+6T
c
+T
max
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Chapter 6