Devicenet Communications Specifications - Omron DST1-ID12SL-1 Operation Manual

Specifications
IMPORTANT Do not supply a current that exceeds the I/O power supply current to the I/O
4-1-3

DeviceNet Communications Specifications

• Output device power terminal
I/O power supply current that can be supplied to V and G terminals = out-
put current (of number of points used) + current consumption for I/O
power supply
power terminal.
Item
Communications protocol
Topology
Baud rate
Communications media
Communications distances
Baud rate
500 kbps
250 kbps
125 kbps
Communications power supply
Maximum number of nodes
Safety I/O Number of
Communications connections
Connection
type
Standard I/O Number of
Communications connections
Connection
type
*1: If Thin Cable is used, the maximum network length at any baud rate is
100 m.
*2: Communications are enabled with 15 Safety Masters for each multi-cast
connection, but if four connections are used, it is not possible to communi-
cate with more than 30 Safety Masters total.
*3: There are a maximum of two connections for the DST1-XD0808SL-1.
Specifications
Conforms to DeviceNet and DeviceNet Safety.
Combination of multi-drop and T-branch connec-
tions (for trunk or branch lines)
125 kbps, 250 kbps, or 500 kbps
Special 5-wire cable (2 signal lines, 2 power lines,
1 shield line)
Network Branch line
length length
*1 6 m max.
100 m max.
*1 6 m max.
250 m max.
*1 6 m max.
500 m max.
11 to 25 V DC
63 nodes
*2, *3
4
Single-cast, Multi-cast
2
Poll/Bit-strobe/COS/Cyclic
Section 4-1
Total branch
line length
39 m max.
78 m max.
156 m max.
89