R7M-MS4
P. 2 / 7
EM-7803-Q Rev.3
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
CNFG.
1
2
3
4
5
6
7
8
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) PC Configurator Jack
(F) Modbus, Power Supply Terminals
(G) Input Terminals
(A)
(F)
(G)
(B)
(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
•
Conversion Rate / Accuracy (SW1-3, 1-4)
SW1-3
SW1-4 CONVERSION RATE / ACCURACY
OFF
OFF
80 msec. / ±0.1% (*)
ON
OFF
40 msec. / ±0.2%
OFF
ON
20 msec. / ±0.4%
ON
ON
10 msec. / ±0.8%
Note : Be sure to set unused SW1-5 through 1-8 to 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)
■
INPUT TERMINAL ASSIGNMENT
10
H0
11
S0
12
H1
1
NC
2
L0
3
NC
13
S1
4
L1
14
NC
5
NC
15
H2
6
NC
16
S2
7
L2
17
H3
8
NC
9
L3
18
S3
NO.
ID
FUNCTION
NO.
ID
FUNCTION
1
NC
No connection
10
H0
Pot H0
2
L0
Pot L0
11
S0
Pot S0
3
NC
No connection
12
H1
Pot H1
4
L1
Pot L1
13
S1
Pot S1
5
NC
No connection
14
NC
No connection
6
NC
No connection
15
H2
Pot H2
7
L2
Pot L2
16
S2
Pot S2
8
NC
No connection
17
H3
Pot H3
9
L3
Pot L3
18
S3
Pot S3
056 222 38 18
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AG
