R7HL-DC16B
EM-7812-H Rev.4 P. 2 / 5
COMPONENT IDENTIFICATION
X10
X1
STATION ADD.
1
2
3
4
5
6
7
8
10 11 12 13
2
3
4
1
15 16 17 18
7
8
9
6
14
5
4
5
6
7
1
2
3
TERM
ON
OFF
RUN
PWR
ON
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
■
FRONT VIEW
■
SIDE VIEW
012
34
56
789AB
C
D
EF
012
34
56
789AB
C
D
EF
Terminating Resistor SW
Output Terminals
Network, Power Supply
Terminals
Status Indicator LED
Station Address Setting Rotary SW
Operating Mode Setting DIP SW (SW1)
Discrete Output
Status Indicator LED
■
STATUS INDICATOR LED
ID
COLOR
FUNCTION
PWR
Green
Turns on when the internal 5V is sup-
plied normally.
RUN
Green
Turns on when the refresh data is re-
ceived normally.
■
DISCRETE OUTPUT STATUS INDICATOR LED
LED indicators shows the signal status.
ON : LED ON (red)
OFF : LED OFF
■
STATION ADDRESS
The left switch determines the sixteenths place digit, while
the right switch does the ones place digit of the address.
(Range: 01H to 3FH)
Station Address Setting (x1)
Station Address Setting (x16)
012
34
56
789AB
C
D
EF
012
34
56
789AB
C
D
EF
■
OPERATING MODE
(*) Factory setting
• Output at the loss of communication (SW1-7)
SW1-7
OUTPUT AT THE LOSS OF COMMUNICATION
OFF
Hold the output (*)
(maintains the last data received normally)
ON
Reset the output (turned off)
• Transfer rate (SW1-8)
SW1-8
TRANSFER RATE
OFF
12 Mbps (*)
ON
6 Mbps
Note: Be sure to set unused SW1-1 through 1-6 to OFF.
■
TERMINATING RESISTOR
To use the terminating resistor, turn the switch ON, and
OFF to invalidate. (Factory setting OFF)
■
NETWORK, POWER SUPPLY TERMINAL ASSIGNMENT
• Full-duplex communication
4
RXD+
5
6
7
1
2
3
RXD– +24V 0V
TXD+ TXD– FG
NO.
ID
FUNCTION, NOTES
1
TXD+
Network (slave, transm)
2
TXD–
Network (slave, transmission –)
3
FG
FG
4
RXD+
Network (master, transm)
5
RXD–
Network (master, transmission –)
6
+24V
Power input (24V DC)
7
0V
Power input (0V)
• Half-duplex communication
4
TR
+
5
6
7
1
2
3
TR
– +
24V
0V
NC
NC
FG
NO.
ID
FUNCTION, NOTES
1
NC
No connection
2
NC
No connection
3
FG
FG
4
TR+
Network
5
TR–
Network
6
+24V
Power input (24V DC)
7
0V
Power input (0V)
056 222 38 18
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AG
