Wiring; Interface Signals And Wiring Method; Figure 3-3 Wiring The Module - Hitachi J.NET User Manual

3. Mounting and Wiring

3.4 Wiring

3.4.1 Interface signals and wiring method

FG terminal of
the power supply
module

Figure 3-3 Wiring the module

● Incorrect connection might cause malfunction. Connect the frame ground (FG) terminal to 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). The two shield ground (SHD)
terminals and the FG terminal are commonly connected internally.
LQE540-E
J.NET
A
B
Network 1 (N1), Network 2 (N2)
Acronym
A
Send/receive data
(Linkage data)
B
Grounding for signal
SG
(Signal Ground)
Grounding for shield
SHD
(SHielD ground)
Terminating resistor for
TERM transmission/reception
(TERMinal resistor)
Others
Acronym
Grounding for frame
FG
(Frame Ground)
Interface signal voltage levels
Designation
Interpretation
Output condition
Input condition
Input condition refers to the electrical potential of A based
on the input voltage of B.
Short-circuit the TERM and A terminals when the J.NET
module is used at an end of the network.
The terminating resistor (120Ω) is internally connected.
Notice
3-4
Signal name
Full name or meaning
Signal name
Full name or meaning
Mark
1/OFF 0/ON
-6 to -1. 5 V 1.5 to 6 V
-0.2 V or less 0.2 V or more
Space