MODEL: SBS Plug-in Signal Conditioners M-UNIT ANALOG SUBTRACTOR

MODEL: SBS Plug-in Signal Conditioners M-UNIT ANALOG SUBTRACTOR
MODEL: SBS
Plug-in Signal Conditioners M-UNIT
ANALOG SUBTRACTOR
Functions & Features
• Accepting two DC inputs and providing a standard process
signal proportional to the difference of the two signals
• Isolation up to 2000 V AC
• LCD meter indicates subtracted values (engineering unit
display selectable)
• Simple loop test output (0 % and 100 %)
• Highdensity mounting
Typical Applications
• Computing differences of two temp., flows, etc.
• DC input transmitter for a power installation (dielectric
strength 2000 V AC, 110V DC power)
50
(1.97)
80
(3.15)
127
(5)
mm (inch)
MODEL: SBS–[1][2]–[3][4]
ORDERING INFORMATION
• Code number: SBS–[1][2]–[3][4]
Specify a code from below for each [1] through [4]
(e.g. SBS-6A-B/E2)
•Special input and output ranges (For codes Z & 0)
•Parameters (e.g. K1 = 2.00, K2 = 0.10)
[1] INPUT
Current
A: 4 – 20 mA DC (Input resistance 250 Ω)
A1: 4 – 20 mA DC (Input resistance 50 Ω)
B: 2 – 10 mA DC (Input resistance 500 Ω)
C: 1 – 5 mA DC (Input resistance 1000 Ω)
D: 0 – 20 mA DC (Input resistance 50 Ω)
E: 0 – 16 mA DC (Input resistance 62.5 Ω)
F: 0 – 10 mA DC (Input resistance 100 Ω)
G: 0 – 1 mA DC (Input resistance 1000 Ω)
H: 10 – 50 mA DC (Input resistance 100 Ω)
J: 0 – 10 μA DC (Input resistance 1000 Ω)
K: 0 – 100 μA DC (Input resistance 1000 Ω)
GW: -1 – +1 mA DC (Input resistance 1000 Ω)
http://www.m-system.co.jp/
FW: -10 – +10 mA DC (Input resistance 100 Ω)
Z: Specify current (See INPUT SPECIFICATIONS)
Voltage
1: 0 – 10 mV DC (Input resistance 10 kΩ min.)
15: 0 – 50 mV DC (Input resistance 10 kΩ min.)
16: 0 – 60 mV DC (Input resistance 10 kΩ min.)
2: 0 – 100 mV DC (Input resistance 100 kΩ min.)
3: 0 – 1 V DC (Input resistance 1 MΩ min.)
4: 0 – 10 V DC (Input resistance 1 MΩ min.)
5: 0 – 5 V DC (Input resistance 1 MΩ min.)
6: 1 – 5 V DC (Input resistance 1 MΩ min.)
4W: -10 – +10 V DC (Input resistance 1 MΩ min.)
5W: -5 – +5 V DC (Input resistance 1 MΩ min.)
0: Specify voltage (See INPUT SPECIFICATIONS)
[2] OUTPUT
Current
A: 4 – 20 mA DC (Load resistance 750 Ω max.)
B: 2 – 10 mA DC (Load resistance 1500 Ω max.)
C: 1 – 5 mA DC (Load resistance 3000 Ω max.)
D: 0 – 20 mA DC (Load resistance 750 Ω max.)
E: 0 – 16 mA DC (Load resistance 900 Ω max.)
F: 0 – 10 mA DC (Load resistance 1500 Ω max.)
G: 0 – 1 mA DC (Load resistance 15 kΩ max.)
Z: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
1: 0 – 10 mV DC (Load resistance 10 kΩ min.)
2: 0 – 100 mV DC (Load resistance 100 kΩ min.)
3: 0 – 1 V DC (Load resistance 100 Ω min.)
4: 0 – 10 V DC (Load resistance 1000 Ω min.)
5: 0 – 5 V DC (Load resistance 500 Ω min.)
6: 1 – 5 V DC (Load resistance 500 Ω min.)
4W: -10 – +10 V DC (Load resistance 2000 Ω min.)
5W: -5 – +5 V DC (Load resistance 1000 Ω min.)
0: Specify voltage (See OUTPUT SPECIFICATIONS)
[3] POWER INPUT
AC Power
B: 100 V AC
C: 110 V AC
D: 115 V AC
F: 120 V AC
G: 200 V AC
H: 220 V AC
J: 240 V AC
DC Power
S: 12 V DC
R: 24 V DC
V: 48 V DC
P: 110 V DC (Not selectable with Option /E2)
SBS SPECIFICATIONS
ES-1639 Rev.4 Page 1/4
MODEL: SBS
[4] OPTIONS
INSTALLATION
Signal Indicator
blank: Without
/E: LCD meter (0.0 – 100.0 %)
/E2: LCD display in engineering unit with backlight
and the simple loop test output
Power input
•AC: Operational voltage range: rating ±10 %, 50/60 ±2 Hz,
approx. 2 VA
(approx. 3 VA with Option /E2)
•DC: Operational voltage range: rating ±10 %, or 85 – 150 V
for 110 V rating (ripple 10 % p-p max.) approx. 2 W (80 mA
at 24 V; approx. 3 W with Option /E2)
Operating temperature: -5 to +60°C (23 to 140°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 400 g (0.88 lbs)
GENERAL SPECIFICATIONS
Construction: Plug-in
Connection: M3.5 screw terminals
Housing material: Flame-resistant resin (black)
Isolation: Input 1 or input 2 to output to power
Overrange output: Approx. -10 to +120 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
Equation: Output = K1 × Input 1 – K2 × Input 2
(K1 × Input 1 > K2 × Input 2)
K1, K2: 0.10 – 2.00 (parameters)
Output, Input 1 × K1, Input 2 × K2: 0 – 100%
K1, K2 are ex-factory specified.
Display scaling: -10000 – +10000; ex-factory set to 0.00 –
100.00 (%)
Engineering unit: %, μV, mV, V, mA, A, °C, °F, Ω, DEG K,
mHz, Hz, kHz, VAC, AAC, mg, g, kg, t, rpm or rps selectable
Simple loop test output: 0 % and 100 % signal simulated by
selecting the front switch positions.
PERFORMANCE in percentage of span
Accuracy: ±0.2 % (±0.4 % at K1 and/or K2 > 1.00)
Display accuracy: ± (0.2 % of FS + 1 digit)
± (0.4 % of FS + 1 digit) at K1 and/or K2 > 1.00
Simple loop test output setting accuracy: ±0.5 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute (input 1 or input
2 to output to power to ground)
INPUT SPECIFICATIONS
• DC Current:
Shunt resistor attached to the input terminals (0.5 W)
Specify input resistance value for code Z.
• DC Voltage: -300 – +300 V DC
Minimum span: 3 mV
Offset: Max. 1.5 times span
Input resistance
Span 3 – 10 mV : ≥ 10 kΩ
Span 10 – 100 mV : ≥ 10 kΩ
Span 0.1 – 1 V : ≥ 100 kΩ
Span ≥ 1 V : ≥ 1 MΩ
OUTPUT SPECIFICATIONS
• DC Current: 0 – 20 mA DC
Minimum span: 1 mA
Offset: Max. 1.5 times span
Load resistance: Output drive 15 V max.
• DC Voltage: -10 – +12 V DC
Minimum span: 5 mV
Offset: Max. 1.5 times span
Load resistance: Output drive 10 mA max.; 5 mA for
negative voltage output; at ≥ 0.5 V
http://www.m-system.co.jp/
SBS SPECIFICATIONS
ES-1639 Rev.4 Page 2/4
MODEL: SBS
EXTERNAL VIEW
■ OPTION /E
■ OPTION /E2
Zero Adj.
Span Adj.
Zero Adj.
Span Adj.
NEXT Key
Loop Test Selector
ENTER Key
Top
: 0% fixed
Middle : 100% fixed
Bottom : Cancel
(normal operating mode)
DIMENSIONS unit: mm (inch)
CLAMP
(top & bottom)
20
(.79)
7.8 (.31)
5
4
3
7
8
1
2
2–4.5 (.18) dia.
MTG HOLE
15 (.59) deep
8–M3.5
SCREW
50 (1.97)
6
80 (3.15)
80 (3.15)
35.4 (1.39)
DIN RAIL
35mm wide
107 (4.21)
40 (1.57)
127 (5)
[3.3 (.13)]
50 (1.97)
• When mounting, no extra space is needed between units.
TERMINAL ASSIGNMENTS unit: mm (inch)
6
5
4
3
7
8
1
2
12 (.47)
INPUT RESISTOR
(model: REM)
Input shunt resistor attached
for current input.
http://www.m-system.co.jp/
SBS SPECIFICATIONS
ES-1639 Rev.4 Page 3/4
MODEL: SBS
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
**
Z
Isolation
+
INPUT 1
R
*
–
R
–
S
Output
Driver
Subtractor
4
+
INPUT 2
3
Low Drift
Amplifier
*
5
LOOP TEST
SELECTOR
Low Drift
Amplifier
1 +
OUTPUT
***
2 –
7 U(+)
6
POWER
8 V(–)
Base Socket
* Input shunt resistor attached for current inputs.
** Option /E, E2
*** Option /E2
Specifications are subject to change without notice.
http://www.m-system.co.jp/
SBS SPECIFICATIONS
ES-1639 Rev.4 Page 4/4
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