Sn621/622 - Toshiba V Series User Manual

SN621/622

Topology
No. of stations
Transmission cable
Transmission cable
length
Transmission speed
Access method
Communication
service
Transmission
capacity
Response
RAS information
Display
Current consumption
Weight
External connection
Supplementary
1. SN621 and SN622 are modules connecting to the G2 I/O bus.
2. For details, see "TOSLINE-S20 User's Manual" (6F8C0840).
6F8C0836
Item
Bus
Max. 64 stations
Coaxial cable 5C2V
Across system: Max. 1km
Between stations: Max. 1km
2Mbps
Implicit talk passing
Scan transmission/message transmission/computer link protocol/free
transmission/broadcast
Scan transmission: Max. 1024 words
Message transmission: Max. 512 bytes/request
Min. 5ms in scan transmission
On this condition: 16 stations, no message transmission, 128 words
Station status
Online/standby map
Scan healthy map
Station shutdown information
CPU operation, online, scan transmission, access status (LED display)
600mA
Approx. 350g
BNC
TOSLINE-S20
SN621
Optical fiber cable GI50/125 µ m
Silica glass
Across system: Max. 10km
Between stations: Max. 1km
700mA
Approx. 300g
BNC
connector
Ｎ Ｃ
2.3 I/O Module Specification
SN622
OT1
OR2
OT2
OR1
OR1
OT2
OT1
FC optical connector
115
2