48AV MSYSTEM
Document overview
- PDF pages: 5
Technical content
Page 1
Bargraph Indicators 48 Series
BARGRAPH INDICATING ALARM
C: 1 – 5 mA DC (Input resistance 39 Ω) D: 0 – 20 mA DC (Input resistance 10 Ω) E: 0 – 16 mA DC (Input resistance 12 Ω) F: 0 – 10 mA DC (Input resistance 20 Ω)

MODEL: 48AV–[1][2][3][4]-[5]
ORDERING INFORMATION
- Code number: 48AV-[1][2][3][4]-[5] Specify a code from below for each [1] through [5]. (e.g. 48AV-4RVA-R)
- Special input range (For codes Z & 0)
- Scale (e.g. 0 – 100 %)
- Color pattern for multi-color indicator (e.g. pattern 2)
[1] ALARM OUTPUT
2: 2 points 4: 4 points
[2] BAR LED COLOR
R: Red Y: Amber G: Green C: Multi-color (red, amber and green)
[3] MOUNTING DIRECTION
V: Vertical H: Horizontal
[4] INPUT
Current A: 4 – 20 mA DC (Input resistance 10 Ω) B: 2 – 10 mA DC (Input resistance 20 Ω)
G: 0 – 1 mA DC (Input resistance 200 Ω) H: 10 – 50 mA DC (Input resistance 5.1 Ω) Z: Specify current (See INPUT SPECIFICATIONS) Voltage 3: 0 – 1 V DC (Input resistance 100 kΩ) 4: 0 – 10 V DC (Input resistance 330 kΩ) 5: 0 – 5 V DC (Input resistance 250 kΩ) 6: 1 – 5 V DC (Input resistance 250 kΩ) 0: Specify voltage (See INPUT SPECIFICATIONS)
[5] POWER INPUT
AC Power K: 85 – 132 V AC (Operational voltage range 85 – 132 V, 47 – 63 Hz) L: 170 – 264 V AC (Operational voltage range 170 – 264 V, 47 – 63 Hz) DC Power R: 24 V DC (Operational voltage range 24 V ±15 %, ripple 10 %p-p max.)
GENERAL SPECIFICATIONS
Construction: Panel flush mounting Connection: M3 screw terminals (torque 0.6 N·m) Screw terminal: Chromated brass Housing material: ABS resin Isolation: Input to output to power Zero adjustment: -5 to +5 % (front) Span adjustment: 95 to 105 % (front) Scale plate: Aluminium (white scale & characters on black base) Scale Characters including decimal points: Max. 4 characters Divisions: 22 – 54.9 Engineering unit: Max. 8 characters Setpoint adjustment 2 points: H: [L setpoint + 1 %] to 100 % L: 0 % to [H setpoint – 1 %] 4 points: HH: [H setpoint + 1 %] to 100 % H: [L setpoint + 1 %] to [HH setpoint – 1 %] L: [LL setpoint + 1 %] to [H setpoint – 1 %] LL: 0 % to [L setpoint – 1 %]
Alarm deadband (hysteresis): 1 % Bargraph: 101-segment LED, 100 mm (3.96”) long, 1.5 mm (.06”) wide
ES-9312 Rev.18 Page 1/5
Page 2
INPUT SPECIFICATIONS
■ DC Current: 0 – 50 mA DC; input resistor incorporated Minimum span: 1 mA 0 % input: 0 mA DC ■ DC Voltage: 0 – 10 V DC Minimum span: 1 V 0 % input: 0 V DC
OUTPUT SPECIFICATIONS
■ Alarm Output: Relay contact Rated load: 125 V AC @ 0.5 A (cos ø = 1) 30 V DC @ 2 A (resistive load) Maximum switching voltage: 250 V AC or 220 V DC Maximum switching power: 125 VA or 60 W Minimum load: 10 mV DC @ 10 μA Mechanical life: ≥ 108 cycles
Alarm Trip Operation Terminal No. in parentheses
- Output Code : 2

H Output
L Output
Input (%)
- Output Code : 4

HH Output
H Output
L Output
LL Output
Input (%)
Setp. Setp. Setp. Setp.
Trip Operation in Power Failure: Terminals 3 – 5, 9 – 10 turn ON
INSTALLATION
Power consumption
- AC: Approx. 5 VA (7 VA for multi-color LED)
- DC: Approx. 4 W (6 W for multi-color LED) Operating temperature: 0 to 45°C (32 to 113°F) Operating humidity: 40 to 80 % RH (non-condensing) Mounting: Panel flush mounting
Weight: 590 g (1.30 lbs)
PERFORMANCE in percentage of span
Accuracy: ±1 % ±1 digit Setting accuracy: ±1 % Response time: 0.5 sec. Insulation resistance: ≥ 10 MΩ with 500 V DC (input to output to power) Dielectric strength: 1500 V AC @ 1 minute (input to power or ground) 1000 V AC @ 1 minute (power to ground, output to input or power or ground)
ES-9312 Rev.18 Page 2/5
Page 3
STANDARD SCALE & UNIT EXAMPLES
■ DIVISIONS Number of divisions depends upon the scale range.
■ STANDARD SCALES & DIVISIONS (example)
| Pattern 1 | Pattern 2 | Pattern 3 | Pattern 4 | Pattern 5 | ||||||
| Span of Scale Range | 1.1 ≤ SPAN < 1.3 | 1.3 ≤ SPAN < 2.0 | 2.0 ≤ SPAN < 2.6 | 2.6 ≤ SPAN < 5.5 | 5.5 ≤ SPAN < 11.0 | |||||
| Standard Divisions | 22 through 25.9 | 26 through 39.9 | 40 through 51.9 | 26 through 54.9 | 27.5 through 54.9 | |||||
| Ratio | 20 | 20 | 20 | 10 | 5 | |||||
| Standard Scales | 1.1 1 .8 .6 .4 .2 0 22 div. | 1.29 1.2 1 .8 .6 .4 .2 0 25.9 div. | 1.3 1.2 .9 .6 .3 0 26 div. | 1.99 1.8 1.5 1.2 .9 .6 .3 0 39.9 div. | 2 1.5 1 .5 0 40 div. | 2.59 2.5 2 1.5 1 .5 0 51.9 div. | 2.6 2.5 2 1.5 1 .5 0 26 div. | 5.49 5 4.5 4 3.5 3 2.5 2 1.5 1 .5 0 54.9 div. | 5.5 5 4 3 2 1 0 27.5 div. | 10.9 10 9 8 7 6 5 4 3 2 1 0 54.9 div. |
Enginnering unit: %, °C, Nm3/h, m3/h, t/h, km3/h, kg/h, l/h, Pa, kPa, abs, ppm, pH, psi, kg/cm2G, N/m2, N/cm2, lb/h, J, kJ, Nl, m3, lbs, Ω, μΩ, 1°
Span of Scale Range = (Full Scale – Zero Scale) × 10n where n = integer (Determine ‘n’ so that the span of scale range is 1.1 or greater than 1.1, and smaller than 11.0.)
[Example 1] Scale range 0 to 100
Example 1
Example 2
Span of Scale Range = (100 – 0) × 10-1 = 10 Span of 10 falls into Pattern 5 according to the above table. Number of divisions
100
10
is calculated from the Span of Scale Range multiplied by the ratio (10 × 5).
90
The scale range 0 to 100 is provided with 50 divisions.
80
5
[Example 2] Scale range -10 to +10
70
Span of Scale Range = (10 – (-10)) × 10-1 = 2
60
Span of 2 falls into Pattern 3 according to the above table. Number of divisions is calculated from the Span of Scale Range multiplied by the ratio (2 × 20).
0
50
The scale range -10 to +10 is provided with 40 divisions.
40
30
5
20
10
10
0 Unit
Unit –
ES-9312 Rev.18 Page 3/5
Page 4
EXTERNAL VIEW
■ VERTICAL MOUNTING
Tag No. Label
50
SET: ENTER Button
40
HH Setpoint
SET 30
HH Setpoint Adj. & Trip Indicator HH
H Setpoint
20
H Setoint Adj. & Trip Indicator H
L Setpoint
10
SPAN Adj. S Display OFF
0
LL Setpoint
ZERO Adj. Z 10
L Setpoint Adj. & Trip Indicator L
Status Indicator
20
LL Setpoint Adj. & Trip Indicator LL
UP Button
30
Mode Selector M 40
DOWN Button
50 – Nm3/min
HH and LL Setpoint Adj. are deleted with model 48AV-2.
■ HORIZONTAL MOUNTING

Tag No. Label
\*Engineering units longer than 3 characters are indicated here. HH and LL Setpoint Adj. are deleted with model 48AV-2.
CONNECTION DIAGRAM
■ 48AV-2
+ 1 3 Hc
INPUT
INPUT
– 2 4 Ha HH OUTPUT
5 Hb
8 La
9 Lb LL OUTPUT
10 Lc
11 U(+) POWER V(–) 12
■Relay Protection
- DC Powered
- AC Powered
Inductive
Inductive
Load (Coil)
Load (Coil)
Diode, Varistor or
Varistor or
CR Circuit
CR Circuit
LOAD
LOAD
Multi-Color Indication
Pattern 1
Lo < Input < Hi Hi < Input Input < Lo Input < Lo Lo < Input < Hi Hi < Input

Pattern 2

■48AV-4

+ 1
– 2 4
5
6

7 La
8
9
10
11 U(+) POWER 12 V(–)
ES-9312 Rev.18 Page 4/5
Page 5
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
BEZEL
M3 (.12) SCREW
BEZEL

PANEL CUTOUT unit: mm
■ VERTICAL MOUNTING
Panel thickness: 1.6 – 5.5 mm
+1 L = (38 x n) –0 (n: number of units) L
Note 1. A bezel is required between units for high-density mounting. Note 2. Observe at the minimum of 5 cm above and below the units for heat dissipation.
■ HORIZONTAL MOUNTING
Panel thickness: 1.6 – 5.5 mm
+1
+1

L = 38 x (n–1) + 36.5
–0
(n: number of units)
Note 1. A bezel is required between units for high-density mounting.
