ES-2239 Rev.8
WTG
Dual Output Plug-in Signal Conditioners W-UNIT
TACHOGENERATOR TRANSMITTER
Functions & Features
• Converting an AC voltage from a tachogenerator (tachometer) into two standard process signals
• Wide input range
• Isolation up to 2000 V AC
• LCD meter
• High-density mounting
Typical Applications
• Measuring rotating or moving speed of multispeed
motors, belt conveyers, metering pumps
MODEL: WTG–[1][2][3]-[4][5]
ORDERING INFORMATION
• Code number: WTG-[1][2][3]-[4][5]
Specify a code from below for each of [1] through [5].
(e.g. WTG-1A6-B/E/Q)
• Special input and output ranges (For codes U, Z & 0)
• Specify the specification for option code /Q
(e.g. /C01/S01)
Note: When the user requires a current and a voltage output, specify the current to be the Output 1 which allows a greater load.
[1] INPUT
Voltage
1
: 0 – 35 V AC (Input resistance 100 kΩ min.)
2
: 0 – 50 mV AC (Input resistance 100 kΩ min.)
3
: 0 – 60 mV AC (Input resistance 100 kΩ min.)
4
: 0 – 100 mV AC (Input resistance 100 kΩ min.)
5
: 0 – 1 V AC (Input resistance 100 kΩ min.)
6
: 0 – 10 V AC (Input resistance 100 kΩ min.)
7
: 0 – 100 V AC (Input resistance 100 kΩ min.)
8
: 0 – 110 V AC (Input resistance 100 kΩ min.)
9
: 0 – 150 V AC (Input resistance 100 kΩ min.)
A
: 0 – 200 V AC (Input resistance 100 kΩ min.)
B
: 0 – 250 V AC (Input resistance 100 kΩ min.)
U
: Specify voltage (See INPUT SPECIFICATIONS)
(0 % input must be 0 V.)
[2] OUTPUT 1
Current
A
: 4 – 20 mA DC (Load resistance 600 Ω max.)
B
: 2 – 10 mA DC (Load resistance 1200 Ω max.)
C
: 1 – 5 mA DC (Load resistance 2400 Ω max.)
D
: 0 – 20 mA DC (Load resistance 600 Ω max.)
E
: 0 – 16 mA DC (Load resistance 750 Ω max.)
F
: 0 – 10 mA DC (Load resistance 1200 Ω max.)
G
: 0 – 1 mA DC (Load resistance 12 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 1000 Ω min.)
4
: 0 – 10 V DC (Load resistance 10 kΩ min.)
5
: 0 – 5 V DC (Load resistance 5000 Ω min.)
6
: 1 – 5 V DC (Load resistance 5000 Ω min.)
4W
: -10 – +10 V DC (Load resistance 10 kΩ min.)
5W
: -5 – +5 V DC (Load resistance 5000 Ω min.)
0
: Specify voltage (See OUTPUT SPECIFICATIONS)
[3] OUTPUT 2
Current
A
: 4 – 20 mA DC (Load resistance 350 Ω max.)
B
: 2 – 10 mA DC (Load resistance 700 Ω max.)
C
: 1 – 5 mA DC (Load resistance 1400 Ω max.)
D
: 0 – 20 mA DC (Load resistance 350 Ω max.)
E
: 0 – 16 mA DC(Load resistance 430 Ω max.)
F
: 0 – 10 mA DC (Load resistance 700 Ω max.)
G
: 0 – 1 mA DC (Load resistance 7000 Ω max.)
Z
: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
Same range availability as Output 1
[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
[5] OPTIONS (multiple selections)
Input Signal Indicator
blank
: Without
/E
: With (0.0 - 100.0 % display)
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 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 1 to output 2 to power
Overrange output
: 0 to 120 % at 1 – 5 V
Zero adjustment
: -5 to +5 % (front)
Span adjustment
: 95 to 105 % (front)
Adjustable individually for each output 1 and output 2.
■ DISPLAY (Input indicator)
LCD digital display
: 0.0 - 100.0 % (min. digit 0.1 %)
(No scaling)
INPUT SPECIFICATIONS
•
AC Voltage
: 0 – 250 V AC
Minimum
span
: 50 mV
Frequency
: 15 Hz min., 1 kHz max. with 100 % input
Input resistance
: ≥ 100 kΩ
OUTPUT SPECIFICATIONS
■ DC Current
: 0 – 20 mA DC
Minimum span
: 1 mA
Offset
: Max. 1.5 times span
Load resistance
: Output drive 12 V max. for Output 1;
7 V max. for Output 2
■
DC Voltage
: -10 – +12 V DC
Minimum span
: 5 mV
Offset
: Max. 1.5 times span
Load resistance
: Output drive 1 mA max. at ≥ 0.5 V
INSTALLATION
Power input
•
AC
: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 3 VA
•
DC
: Operational voltage range: rating ±10 %,
or 85 – 150 V for 110 V rating, ripple 10 %p-p max.,
approx. 3 W (125 mA at 24 V)
Operating temperature
: -5 to +55°C (23 to 131°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
: ±0.4 %
Display accuracy
: ±(0.4 % of FS + 1 digit)
Temp. coefficient
: ±0.05 %/°C (±0.03 %/°F)
Response time
: ≤ 0.7 sec. (0 – 90 %)
Ripple
: 0.5 %p-p max.
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)
1000 V AC @ 1 minute (output 1 to output 2)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM