ES-1382 Rev.13
APU
Plug-in Signal Conditioners M-UNIT
DC/FREQUENCY CONVERTER
(field-configurable)
Functions & Features
• Providing a pulse rate output in proportion to DC input signal
• Frequency range adjustable with a front-mounted 16-position rotary switch and potentiometer
• Low-end cutout adjustable
• Isolation up to 2000 V AC
• High-density mounting
Typical Applications
• Totalizing applications in combination with a counter
MODEL: APU–[1][2]–[3][4]
ORDERING INFORMATION
• Code number: APU-[1][2]-[3][4]
Specify a code from below for each of [1] through [4].
(e.g. APU-61-B/Q)
• Special input range (For codes Z & 0)
• Output frequency range (e.g. 0 – 500 Hz)
• Specify the specification for option code /Q
(e.g. /C01/S01)
[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)
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.)
0
: Specify voltage (See INPUT SPECIFICATIONS)
[2] OUTPUT
1
: Open collector (max. frequency 10 kHz)
2
: 5 V pulse (max. frequency 10 kHz)
3
: Relay contact (max. 130 pulses/min.)
4
: Low frequency open collector (max. 130 pulses/min.)
5
: Low frequency 5 V pulse (max. 130 pulses/min.)
6
: 24 V pulse (max. 130 pulses/min.)
7
: Middle range frequency open collector (max. 312 Hz)
8
: Middle range frequency 5 V voltage pulse (max. 312 Hz)
[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
[4] OPTIONS
blank
: none
/Q
: With options (specify the specification)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to our 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
Zero adjustment
: 0 – 5 % (front)
Span adjustment
: 50 – 100 % of range (front)
Output frequency adjustment
: Preselecting range
with a rotary switch and fine control
with span adjustment (50 – 100 %)
Output pulse width adjustment:
Three-turn screwdriver adjustment (front)
Low-end cutout:
0 to 10 % (front); a red LED assists in adjusting the cutout point; turns on during the cutout.
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
: 10 mV
Offset
: Max. 1.5 times span
Input resistance
Span 10 – 100 mV : ≥ 10 kΩ
Span 0.1 – 1 V : ≥ 100 kΩ
Span ≥ 1 V : ≥ 1 MΩ
OUTPUT SPECIFICATIONS
Note
: For factory setting, maximum frequency of the selected range is used to determine pulse width. Pulse width is adjusted until the duty ratio becomes 50 % of the maximum frequency. If this value lies outside of the adjustable range, either maximum or minimum selectable value will be used.
■
Open Collector
:
50 V DC @ 50 mA (resistive load)
Frequency range
: 0 – 10 kHz
ON pulse width
: 40 μsec. – 0.8 msec. adjustable
Saturation voltage
: 0.6 V DC
■
Low Frequency Open Collector
:
50 V DC @ 50 mA (resistive load)
Frequency range
: 0 – 130 pulses/min.
ON pulse width
: 40 msec. – 0.8 sec. adjustable
Saturation voltage
: 0.6 V DC
■
Middle Range Frequency Open Collector
:
50 V DC @ 50 mA (resistive load)
Frequency range
: 0 – 312 Hz
ON pulse width
: 2 – 35 msec. adjustable
Saturation voltage
: 0.6 V DC
■
Relay Contact:
120 V AC @ 200 mA (cos ø = 1)
240 V AC @ 100 mA (cos ø = 1)
24 V DC @ 200 mA (resistive load)
Maximum switching voltage
: 380 V AC or 125V DC
Maximum switching power
: 24 VA or 4.8 W
Minimum load
: 5 V DC @ 10 mA
Frequency range:
0 – 130 pulses/min.
ON pulse width:
40 msec. – 0.8 sec. adjustable
Relay life:
≥ 5 × 10
7
cycles (mechanical)
≥ 10
5
cycles (electrical)
■
5 V Pulse
Frequency range:
0 – 10 kHz
Low pulse width:
40 μsec. – 0.8 msec. adjustable
High level:
5 V ± 10 %
Low level:
≤ 0.5 V
Load resistance:
600 Ω min.
■
Middle Range Frequency 5 V Pulse
Frequency range:
0 – 312 Hz
Low pulse width:
2 – 35 msec. adjustable
High level:
5 V ±10 %
Low level:
≤0.5 V
Load resistance:
600 Ω min.
■
Low Frequency 5 V Pulse
Frequency range:
0 – 130 pulses/min.
Low pulse width:
40 msec. – 0.8 sec. adjustable
High level:
5 V ± 10 %
Low level:
≤ 0.5 V
Load resistance:
600 Ω min.
■
24 V Pulse
Frequency range
: 0 – 130 pulses/min.
High pulse width
: 40 msec. – 0.8 sec. adjustable
High level
: 24 V ±10%
Low level
: ≤ 0.5 V
Load current
: 30 mA max.
Load resistance
: 800 Ω min.
INSTALLATION
Power input
•
AC
: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 2 VA
•
DC
: operational voltage range: rating ±10 %
(ripple 10 %p-p max.)
approx. 2 W (70 mA at 24 V)
Operating temperature
: -5 to +60°C (23 to 140°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Surface or DIN rail
Weight
: 350 g (0.77 lb)
PERFORMANCE in percentage of span
Accuracy
: ±0.25 %
Temp. coefficient
: ±0.05 %/°C (±0.03 %/°F)
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
APPLICATION EXAMPLES