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2. Names and Functions of Parts
2.1 Names and functions of parts
LQE540-E
J.NET
(4)
(5)
A
B
● Turn off the power switch of the power supply module before setting the MODU No. setting switch and
BIT RATE setting switch. Using these switches while power is applied might cause a malfunction.
● Do not set the MODU No. setting switch to a prohibited number. Such settings might cause a
malfunction.
Table 2-1 Names and functions of parts
No.
Name
(1) MODU No. setting
switch
(2) BIT RATE setting
(1)
switch
(3) Terminal blocks for
(2)
interface
(4) LEDs for N1
(5) LEDs for N2
Table 2-2 MODU No. and BIT RATE settings
MODU No.
setting switch
0
1
(3)
2
3
4 to F
Table 2-3 Signal names and descriptions
Signal
name
N1, N2 Network numbers
TERM
Terminal for a terminating resistor.
Short-circuit the TERM and A terminals when the J.NET module
is used at the end of the network.
A, B
Terminal used to connect a transmission/reception data line
SG
Terminal used to connect the signal ground line
SHD
Terminal used to connect the shield line
Used for wiring with the FG terminal of the power supply module.
FG
For details about wiring, see 7.4 Ground wiring in the S10VE
User's Manual General Description (manual number SEE-1-001).
Notice
The module number setting switch used to set the
number of J.NET modules (maximum of four) to
be connected to a CPU unit.
For details about settings, see Table 2-2.
Used to set the transmission rate.
For details, see Table 2-2.
Connect interface signals.
For details, see Table 2-3.
TX (transmission): Lights when data is being
sent.
RX (reception): Lights when data is being
received.
ERR: Lights if a hardware error occurs.
Selected
module
Module 0
Module 1
Module 2
Module 3
Setting prohibited
Description
2-1
2. Names and Functions of Parts
Function
BIT RATE
Transmission
setting switch
rate
0
1.0 Mbps
1
0.5 Mbps
2
0.25 Mbps
3
0.125 Mbps
4 to F
Setting prohibited
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