http://www.m-system.co.jp/ R7C SPECIFICATIONS ES-7801 Rev.17 Page 20/39
DC VOLTAGE/CURRENT INPUT MODULE, 4 points
MODEL: R7C-SV4
SPECIFICATIONS
Isolation: Input 0 to input 1 to input 2 to input 3 to power
input to CC-Link or FG
CC-Link: Conforms to Version 1.10
Station type: Remote device
Data allocation: 1
Converted data range: 0 – 10000 of the input range
• Input range
Wide span voltage: -10 – +10 V DC, -5 – +5 V DC,
0 – 10 V DC, 0 – 5 V DC, 1 – 5 V DC
Narrow span voltage: -1 – +1 V DC, 0 – 1 V DC,
-0.5 – +0.5 V DC
Current range: -20 – +20 mA DC, 0 – 20 mA DC,
4 – 20 mA DC
• Input resistance
Wide span voltage: ≥ 1 MΩ
Narrow span voltage: ≥ 100 kΩ
Current range: 70 Ω
Conversion rate / conversion accuracy:
10 msec./±0.8 %, 20 msec./±0.4 %, 40 msec./±0.2 %,
80 msec./±0.1 %
Response time: Conversion rate × 2 + 50 msec. (0 – 90 %)
Temperature coefficient: ±0.015 %/°C (±0.008 %/°F)
OPERATING MODE SETTING
(*) Factory setting
• Input range (SW1-5, 1-6, 1-7, 1-8)
SW1-5 SW1-6 SW1-7 SW1-8 INPUT RANGE
OFF OFF OFF OFF -10 – +10 V DC (*)
ON OFF OFF OFF -5 – +5 V DC
OFF ON OFF OFF -1 – +1 V DC
ON ON OFF OFF 0 – 10 V DC
OFF OFF ON OFF 0 – 5 V DC
ON OFF ON OFF 1 – 5 V DC
OFF ON ON OFF 0 – 1V DC
ON ON ON OFF -0.5 – +0.5 V DC
ON OFF OFF ON -20 – +20 mA DC
OFF ON OFF ON 4 – 20 mA DC
ON ON OFF ON 0 – 20 mA DC
ON ON ON ON PC Configurator setting
• 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%
• 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
TERMINAL ASSIGNMENTS
10
VL0
11
I0
12
VL1
1
VH0
2
COM0
3
VH1
13
I1
4
COM1
14
NC
5
NC
15
VL2
6
VH2
16
I2
7
COM2
17
VL3
8
VH3
9
COM3
18
I3
NO. ID FUNCTION NO. ID FUNCTION
1 VH0 Wide span volt. 0 10 VL0 Narrow span volt. 0
2 COM0 Common 0 11 I0 Current range 0
3 VH1 Wide span volt. 1 12 VL1 Narrow span volt. 1
4 COM1 Common 1 13 I1 Current range 1
5 NC No connection 14 NC No connection
6 VH2 Wide span volt. 2 15 VL2 Narrow span volt. 2
7 COM2 Common 2 16 I2 Current range 2
8 VH3 Wide span volt. 3 17 VL3 Narrow span volt. 3
9 COM3 Common 3 18 I3 Current range 3
CIRCUIT DIAGRAM
Input Circuit
Comm.
Circuit
Control
Circuit
41
7
6
3
2
5
1
0 V
24 V DC
FG
SLD
DG
DB
DAVH0
■ Input Connection Examples
VHn
VLn
In
+
–
COMn
10
VL0
11
I0
2
COM0
INPUT 0
Input Circuit
3
VH1
12
VL1
13
I1
4
COM1
INPUT 1
Input Circuit
6
VH2
15
VL2
16
I2
7
COM2
INPUT 2
Input Circuit
8
VH3
17
VL3
18
14
I3
9
5
COM3
INPUT 3
WIDE SPAN
VOLTAGE
VHn
VLn
In
+
–
COMn
NARROW SPAN
VOLTAGE
VHn
VLn
In
+
–
COMn
Be sure to close across VLn and In terminals for a current input.
CURRENT
RANGE
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