Hitachi 510VE, User Manual, Page: 26 / 91

2. Names and Functions of Parts
2-1
2. Names and Functions of Parts
2.1 Names and functions of parts
Table 2-1 Names and functions of parts
No. Name Function
(1) MODU No. setting
switch
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.
(2) BIT RATE setting
switch
Used to set the transmission rate.
For details, see Table 2-2.
(3) Terminal blocks for
interface
Connect interface signals.
For details, see Table 2-3.
(4) LEDs for N1 TX (transmission): Lights when data is being
sent.
RX (reception): Lights when data is being
received.
ERR: Lights if a hardware error occurs.
(5) LEDs for N2
Table 2-2 MODU No. and BIT RATE settings
MODU No.
setting switch
Selected
module
BIT RATE
setting switch
Transmission
rate
0 Module 0 0 1.0 Mbps
1 Module 1 1 0.5 Mbps
2 Module 2 2 0.25 Mbps
3 Module 3 3 0.125 Mbps
4 to F Setting prohibited 4 to F Setting prohibited
Table 2-3 Signal names and descriptions
Signal
name
Description
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
FG
Used for wiring with the FG terminal of the power supply module.
For details about wiring, see
7.4 Ground wiring in the S10VE
User's Manual General Description (manual number SEE-1-001).
Notice
●
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.
LQE540-E
J.NET
A
B
(4)
(5)
(1)
(2)
(3)