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COMPONENT IDENTIFICATION
(A)
(B)
(C)
(D)
1
2
3
X10
X1
PWR
ERR
RD
RUN
SD
STATION ADD.
B.RATE
4
5
6
7
10 11 12 13
1
2
3
1
2
(F)
(A) Status Indicator LED *
1
(B) Station Address Setting Rotary SW
(C) Baud Rate Setting Rotary SW
(D) Operating Mode Setting DIP SW (SW1)
(E) Discrete Output Status Indicator LED
(F) CC-Link, Power Supply Terminals
(G) Output Terminals
*1. Refer to 'Status Indicator LED' section for detailed information.
■ STATUS INDICATOR LED
ID
COLOR FUNCTION
PWR
Red
Turns on when the internal 5V is sup-
plied normally.
RUN
Red
Turns on when the refresh data is re-
ceived normally.
ERR
Red
Turns on when the received data is
abnormal.
SD
Red
Turns on when the module is transmit-
ting.
RD
Red
Turns on when the module is receiving.
■ STATION ADDRESS
Station Address is selected between 1 and 64 in decimal.
The left switch determines the tenth place digit, while the
right switch does the ones place digit of the address.
Station Address Setting (x1)
Station Address Setting (x10)
■ BAUD RATE
Baud Rate is selected with the rotary switch.
0 : 156 kbps
1 : 625 kbps
2 : 2.5 Mbps
3 : 5 Mbps
4 : 10 Mbps
Baud Rate Setting
SEN TRONIC
(E)
4
5
6
7
8
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
14
15 16 17 18
3
4
5
6
7
8
9
(G)
056 222 38 18
AG
■ OPERATING MODE
(*) Factory setting
• Extension (SW1-1, 1-2, 1-3, 1-4)
SW1-1 SW1-2 SW1-3 SW1-4 EXTENSION
OFF
ON
OFF
OFF
ON
OFF
• Output at the loss of communication (SW1-5)
SW1-5 OUTPUT AT THE LOSS OF COMMUNICATION
OFF
Reset the output (turned off)
ON
Hold the output (*)
(maintains the last data received normally)
Note: Be sure to set unused SW1-6 through 1-8 to OFF.
■ POWER SUPPLY, CC-LINK TERMINAL ASSIGNMENT
4
DA
1
DB
NO.
ID
1
DB
2
SLD
3
FG
4
DA
5
DG
6
+24V
7
0V
■ OUTPUT TERMINAL ASSIGNMENT
10
11
12
13
+24V
Y1
Y3
1
2
3
4
0V
Y0
Y2
Y4
NO.
ID
FUNCTION
1
0V
0V
2
Y0
Output 0
3
Y2
Output 2
4
Y4
Output 4
5
Y6
Output 6
6
Y8
Output 8
7
YA
Output 10
8
YC
Output 12
9
YE
Output 14
■ EXTENSION MODULE
Combinations with the R7C-EC8A, R7C-EC16A, R7C-
EC8B, R7C-EC16B or R7C-EC8C are selectable.
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R7C-DC16B
OFF
No extension (*)
ON
Discrete output, 8 or 16 points
5
6
7
DG
+24V
0V
2
3
SLD
FG
FUNCTION, NOTES
White
Shield
FG
Blue
Yellow
Power input (24V DC)
Power input (0V)
14
15
16
17
18
Y5
Y7
Y9
YB
YD
YF
5
6
7
8
9
Y6
Y8
YA
YC
YE
NO.
ID
FUNCTION
10
+24V
24V DC (common)
11
Y1
Output 1
12
Y3
Output 3
13
Y5
Output 5
14
Y7
Output 7
15
Y9
Output 9
16
YB
Output 11
17
YD
Output 13
18
YF
Output 15
EM-7801-H Rev.6 P. 2 / 9
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