
R7C-DC8E
P. 2 / 5EM-7801-AG
■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.
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
9
8
7
6
Station Address Setting (x1)
Station Address Setting (x10)
5
4
3
2
1
0
9
8
7
6
Baud Rate Setting
0 : 156 kbps
1 : 625 kbps
2 : 2.5 Mbps
3 : 5 Mbps
4 : 10 Mbps
• Output at the loss of communication (SW1-5)
SW1-5 Outputatthelossofcommunication
OFF Reset the output (turned off)
ON Hold the output (*)
(maintains the last data received normally)
(*) Factory setting
Caution ! - SW 1-6 through 1-8 are unused. Be sure to
turn off unused ones.
10
+24V
11
Y0
12
Y1
1
0V
2
COM0
3
COM0
13
Y2
4
COM0
14
Y3
5
COM0
15
Y4
6
COM1
16
Y5
7
COM1
17
Y6
8
COM1
9
COM1
18
Y7
NO.
ID FUNCTION
NO.
ID FUNCTION
1 0V 0V 10 +24V 24V DC
2 COM0 Common 0 11 Y0 Output 0
3 COM0 Common 0 12 Y1 Output 1
4 COM0 Common 0 13 Y2 Output 2
5 COM0 Common 0 14 Y3 Output 3
6 COM1 Common 1 15 Y4 Output 4
7 COM1 Common 1 16 Y5 Output 5
8 COM1 Common 1 17 Y6 Output 6
9 COM1 Common 1 18 Y7 Output 7
■ POWER SUPPLY, CC-LINK TERMINAL ASSIGNMENT
NO. ID FUNCTION,NOTES
1 DB White
2 SLD Shield
3 FG FG
4 DA Blue
5 DG Yellow
6 +24V Power input (24V DC)
7 0V Power input (0V)
■ OUTPUT TERMINAL ASSIGNMENT
■ BAUD RATE
Baud Rate is selected with the rotary switch.
COMPONENT IDENTIFICATION
TERM
ON OFF
(H)
� SIDE VIEW
� FRONT VIEW
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
9
8
7
6
ERR RD
RUN SD
PWR X10 X1
STATION ADD. B.RATE
12345678
0 1 2 3 4 5 6 7
4 5 6 7
1 2 3
10 11 12 13
2 3 41
15 16 17 18
7 8 96
14
5
(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 I/O Status Indicator LED
(F) CC-Link, Power Supply Terminals
(G) Output Terminals
(H) Terminating Resistor SW
*1. Refer to ʻStatus Indicator LEDʼ section for detailed information.
(A)
(F) (G)
(B) (C) (D) (E)
• Extension (SW1-1, 1-2, 1-3, 1-4)
SW1-1 SW1-2 SW1-3 SW1-4 Extension
OFF ON OFF OFF No extension (*)
OFF ON OFF ON
Discrete output, 16 points
■ OPERATING MODE
■ TERMINATING RESISTOR
To use the terminating resistor, turn the switch ON, and
OFF to invalidate. (Factory setting OFF)