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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.
■ 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
(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
• 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%
• Input Range (SW1-5, 1-6, 1-7, 1-8)
SW1-5
SW1-6
SW1-7
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
ON
OFF
ON
ON
OFF
ON
ON
ON
■ 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
VL0
I0
VL1
I1
1
2
3
4
VH0
COM0
VH1
COM1
NO.
ID
FUNCTION
1
VH0
Wide span volt. 0
2
COM0 Common 0
3
VH1
Wide span volt. 1
4
COM1 Common 1
5
NC
No connection
6
VH2
Wide span volt. 2
7
COM2 Common 2
8
VH3
Wide span volt. 3
9
COM3 Common 3
■ INPUT RANGE
• Wide span : –10 to +10V DC, –5 to +5V DC, 0 to 10V DC,
0 to 5V DC, 1 to 5V DC
• Narrow span: –1 to +1V DC, 0 to 1V, –0.5 to +0.5V DC
• Current input: –20 to +20mA DC, 0 to 20mA DC,
4 to 20mA DC
R7M-SV4
SW1-8 INPUT RANGE
OFF
-10 – +10V DC (*)
OFF
-5 – +5V DC
OFF
-1 – +1V DC
OFF
0 – 10V DC
OFF
0 – 5V DC
OFF
1 – 5V DC
OFF
0 – 1V DC
OFF
-0.5 – +0.5V DC
ON
-20 – +20mA DC
ON
4 – 20mA DC
ON
0 – 20mA DC
ON
PC Configurator setting
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
VL2
I2
VL3
I3
5
6
7
8
9
NC
VH2
COM2
VH3
COM3
NO.
ID
FUNCTION
10
VL0
Narrow span volt. 0
11
I0
Current range 0
12
VL1
Narrow span volt. 1
13
I1
Current range 1
14
NC
No connection
15
VL2
Narrow span volt. 2
16
I2
Current range 2
17
VL3
Narrow span volt. 3
18
I3
Current range 3
EM-7803-A Rev.6
P. 2 / 7
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