R7M-DC16B
P. 2 / 7
EM-7803-H Rev.5
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax:
+81(6)6659-8510 E-mail: [email protected]
COMPONENT IDENTIFICATION
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
NODE ADD.
B.RATE
1
2
3
4
5
6
7
8
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
4
5
6
7
1
2
3
10 11 12 13
2
3
4
1
15 16 17 18
7
8
9
6
14
5
(A) Status Indicator LED
(B) Node 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) Modbus, Power Supply Terminals
(G) Output Terminals
(F)
(G)
(B)
(A)
(C)
(D)
(E)
■
STATUS INDICATOR LED
ID
COLOR
FUNCTION
PWR
Red
Turns on when the internal 5V is supplied
normally.
RUN
Red
Turns on when the data is received nor-
mally.
ERR
Red
Turns on when the received data is abnor-
mal. Blinks when setting is abnormal.
SD
Red
Turns on when the module is transmitting.
RD
Red
Turns on when the module is receiving.
■
NODE ADDRESS
Node Address is selected between 1 and 99 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
Node Address Setting (x1)
Factory setting : 00
Node Address Setting (x10)
■
BAUD RATE
Baud Rate is selected with the rotary switch.
5
4
3
2
1
0
9
8
7
6
Baud Rate Setting
0 : 38.4 kbps (factory setting)
1 : 19.2 kbps
2 : 9600 bps
3 : 4800 bps
■
EXTENSION MODULE
Combinations with all extension modules are selectable.
■
OPERATING MODE
(*) Factory setting
• Extension (SW1-1, 1-2)
SW1-1
SW1-2 EXTENSION
OFF
OFF
No extension (*)
ON
OFF
Discrete input, 8 or 16 points
OFF
ON
Discrete output, 8 or 16 points
•
Output at the Loss of Communication (SW1-4)
SW1-4 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 SW1-3 through 1-8 to OFF.
■
DISCRETE OUTPUT STATUS INDICATOR LED
LED indicators show the signal status.
ON : LED ON
OFF : LED OFF
■
POWER SUPPLY, MODBUS TERMINAL ASSIGNMENT
4
DA
5
DG
6
+24V
1
DB
2
SLD
3
FG
7
0V
NO.
ID
FUNCTION, NOTES
1
DB
----
2
SLD
Shield
3
FG
FG
4
DA
----
5
DG
----
6
+24V
Power input (24V DC)
7
0V
Power input (0V)
■
OUTPUT TERMINAL ASSIGNMENT
10
+24V
11
Y1
12
Y3
1
0V
2
Y0
3
Y2
13
Y5
4
Y4
14
Y7
5
Y6
15
Y9
6
Y8
16
YB
7
YA
17
YD
8
YC
9
YE
18
YF
NO.
ID
FUNCTION
NO.
ID
FUNCTION
1
0V
0V
10 +24V 24V DC (common)
2
Y0
Output 0
11
Y1
Output 1
3
Y2
Output 2
12
Y3
Output 3
4
Y4
Output 4
13
Y5
Output 5
5
Y6
Output 6
14
Y7
Output 7
6
Y8
Output 8
15
Y9
Output 9
7
YA
Output 10
16
YB
Output 11
8
YC
Output 12
17
YD
Output 13
9
YE
Output 14
18
YF
Output 15
