Example Of Connecting Line Cables - Hitachi IR.Station Hardware Manual

5 CABLING
5.2.2

Example of connecting line cables

An example below shows a cable connection of the IR.LINK module (LQE046) and IR.Station
modules.
IR.LINK module
Termination with
120
120 (A1-A2)
A (A2)
B (A3)
SG (A4)
SHG (A5)
IR.Station module
(Not terminated)
LQS021
TX/RX
ERR
BI T
HITACHI
RATE
IR.Station module
(Termination with 120 )
LQS021
TX/RX
ERR
BI T
HITACHI
RATE
Termination with
120
(LQE046)
LQE046 IR.LINK
TX
RX
MODU
N1
ERR NO
BIT
RATE
IR.Station
U
ST.NO
L
A (B6)
B (B7)
SG (B8)
SHG (B9)
IR.Station
U
ST.NO
L
120 (B4-B5)
A (B6)
B (B7)
SG(B8)
SHG (B9)
Field net terminals
Terminal
number
Symbol
B6
LINK
B7
B8 SG
B9 SHD
B4
TERM
B5
Others
Pin
number
Symbol
A9 FG
Interface signal voltage levels
Name
Meanings
Output
-6 to -1.5 V
condition
Input
-0.2 V or less
condition
- 30 -
Signal name
Name
A
Send/receive data
LINKage data
B
Signal Ground
SHielD ground
Transmission/recep-
tion terminating
resistor
TERMinal resistor
Signal name
Name
Frame Ground
Mark Space
1/OFF 0/ON
1.5 to 6 V
0.2 V or more