·Some details are not shown. Please refer to specification sheets for all information.

SES

Plug-in Signal Conditioners M-UNIT

HIGH/LOW SELECTOR
(isolated)

Functions & Features
• Monitoring two DC input signals and transmitting an output signal proportional to the higher or lower input
• LCD meter indicates the selected input signals (engineering unit display selectable)
• Simple loop test output (0 % and 100 %)
• Isolation up to 2000 V AC
• High-density mounting
Typical Applications
• Selecting greater flow, pressure, etc. for control
• Heating control by multiple T/C’s on a furnace
 

MODEL: SES–[1][2][3]–[4][5]

ORDERING INFORMATION
• Code number: SES-[1][2][3]-[4][5]
Specify a code from below for each [1] through [5].
  (e.g. SES-1AA-B/E2/Q)
• Special output range (For codes Z & 0)
• Specify the specification for option code /Q
  (e.g. /C01/S01)

[1] SELECTING FUNCTION
1: Low input
2: High input

[2] INPUT
Current
A: 4 – 20 mA DC (Input resistance 250 Ω)
B: 2 – 10 mA DC (Input resistance 500 Ω)
C: 1 – 5 mA DC (Input resistance 1000 Ω)
H: 10 – 50 mA DC (Input resistance 100 Ω)
Voltage
6: 1 – 5 V DC (Input resistance 1 MΩ min.)

[3] 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)

[4] 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.)

[5] OPTIONS (multiple selections)
LCD Meter (after selection)
blank: Without
/E: With (0.0 - 100.0 % display)
/E2: With (in engineering unit with backlight and the
simple loop test output)
Other Options
blank: none
/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
TERMINAL SCREW MATERIAL
/S01: Stainless steel

GENERAL SPECIFICATIONS
Construction: Plug-in
Connection: M3.5 screw terminals
Screw terminal: Chromated steel (standard) or stainless steel
Housing material: Flame-resistant resin (black)
Isolation: Input to output to power
Overrange output: Approx. -10 to +120 % at 1 – 5 V
Selecting operation: Automatic
Simple loop test output: 0 % and 100 % signal simulated by selecting the front switch positions. (Only for option code /E2)
DISPLAY (LCD meter)
• Option code: /E
LCD digital display: 0.0 - 100.0 % (min. digit 0.1 %)
 (No scaling)
• Option code: /E2
LCD digital display: Engineering unit
Display scaling: -10000 – +10000
Decimal position: 10-1 - 10-4 or no decimal point
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
Back light: Green at normal, red at loop test output enable
Factory setting: scaling 0.00 - 100.00, unit: %

INPUT SPECIFICATIONS
DC Current:
Shunt resistor attached to the input terminals (0.5 W)

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

INSTALLATION
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. 2.5 W (110 mA at 24 V; approx. 3.5 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 lb)

PERFORMANCE in percentage of span
Accuracy: ±0.2 %
Display accuracy: ± (0.2 % of FS + 1 digit)
Simple loop test output setting accuracy: ±0.5 %
Selecting sensitivity: 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 to output to power to ground)

EXTERNAL VIEW

EXTERNAL DIMENSIONS unit: mm (inch)

TERMINAL ASSIGNMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.