
3 MOUNTING AND WIRING
3-5
3.4 Wiring
3.4.1 Interface signals and wiring method
Network 1 (N1)
Signal name
Abbreviation
Name
A Send/receive
data
(Linkage data)
B
SG
Grounding for signal
(Signal Ground)
SHD
Grounding for shield
(SHielD ground)
TERM
Terminating resistor for
transmission/reception
(TERMinal resistor)
Others
Signal name
Abbreviation
Name
FG
Grounding for frame
(Frame Ground)
Interface signal voltage levels
Designation Mark Space
Interpretation 1/OFF
0/ON
Output condition -6 to -1.5 V
1.5 to 6 V
Input condition
-0.2 V or lower 0.2 V or higher
The input condition represents the electric potential
of A viewed from B.
Short TERM and A terminal when the IR.LINK
module is used at an end of the network. The
terminating resistor (120 ohms) is internally
connected.
LQE546
IR.LINK
N1
TX
RX
ERR
MODU
No.
BIT
RATE
TERM
A
B
SG
SHD
N1
NOT
USED
NOT
USED
NOT
USED
NOT
USED
NOT
USED
FG
Ground
terminal
Summary of Contents for IR.LINK
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Page 26: ...1 SPECIFICATIONS ...
Page 30: ...2 NAMES AND FUNCTIONS OF EACH PART ...
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Page 34: ...3 MOUNTING AND WIRING ...
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Page 44: ...4 OPERATION ...
Page 68: ...5 USER GUIDE ...
Page 86: ...6 MAINTENANCE ...