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COMPONENT IDENTIFICATION
(A)
(B)
(C)
1
X10
X1
PWR
ERR
RD
RUN
SD
NODE ADD.
B.RATE
4
5
6
7
10 11 12 13
1
2
3
1
2
(F)
(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
■ STATUS INDICATOR LED
ID
COLOR FUNCTION
Turns on when the internal 5V is supplied
PWR
Red
normally.
Turns on when the data is received nor-
RUN
Red
mally.
Turns on when the received data is abnor-
ERR
Red
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.
■ BAUD RATE
Baud Rate is selected with the rotary switch.
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.
(D)
(E)
2
3
4
5
6
7
8
CNFG.
14
15 16 17 18
3
4
5
6
7
8
9
(G)
Factory setting : 00
Node Address Setting (x1)
Node Address Setting (x10)
Baud Rate Setting
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: + 81 ( 6 ) 6659-8201 Fax: + 81 ( 6 ) 6659-8510 E-mail: info@m-system.co.jp
■ 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
5
DA
DG
1
DB
NO.
ID
1
DB
2
SLD
3
FG
4
DA
5
DG
6
+24V
7
0V
■ INPUT TERMINAL ASSIGNMENT
10
11
12
13
H0
S0
H1
S1
1
2
3
4
NC
L0
NC
L1
NO.
ID
FUNCTION
1
NC
No connection
2
L0
Pot L0
3
NC
No connection
4
L1
Pot L1
5
NC
No connection
6
NC
No connection
7
L2
Pot L2
8
NC
No connection
9
L3
Pot L3
R7M-MS4
6
7
+24V
0V
2
3
SLD
FG
FUNCTION, NOTES
----
Shield
FG
----
----
Power input (24V DC)
Power input (0V)
14
15
16
17
18
NC
H2
S2
H3
S3
5
6
7
8
9
NC
NC
L2
NC
L3
NO.
ID
FUNCTION
10
H0
Pot H0
11
S0
Pot S0
12
H1
Pot H1
13
S1
Pot S1
14
NC
No connection
15
H2
Pot H2
16
S2
Pot S2
17
H3
Pot H3
18
S3
Pot S3
EM-7803-Q Rev.3
P. 2 / 7
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