ES-1402 Rev.3
FRS
Space-saving Plug-in Signal Conditioners F-UNIT
RTD TRANSMITTER
(isolated)
Functions & Features
• Accepting direct input from an RTD and providing a standard process signal
• Linearization
• Burnout protection
• "Active bridge" circuit containing two constant current sources allows large leadwire resistances up to 200 Ω
• Fast response type available
• High-density mounting
Typical Applications
• Long distance transmission between the RTD and the transmitter
• Combination with intrinsic safety barriers
MODEL: FRS–[1][2]-[3][4]
ORDERING INFORMATION
• Code number: FRS-[1][2]-[3][4]
Specify a code from below for each of [1] through [4].
(e.g. FRS-1A-K/K/BL/Q)
• Temperature range (e.g. 0 – 500°C)
• Special output range (For codes Z & 0)
• Specify the specification for option code /Q
(e.g. /C01/S01)
[1] INPUT RTD (2- or 3-wire)
1
: JPt 100 (JIS'89)
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 50°C, 90°F)
3
: Pt 100 (JIS'89)
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)
4
: Pt 100 (JIS'97, IEC)
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)
5
: Pt 50 Ω (JIS'81)
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 100°C, 180°F)
6
: Ni 508.4 Ω
(Usable range: -50 to +200°C, -58 to +392°F; min.span: 30°C, 54°F)
0
: Specify
Note: Consult us for 2-wire RTD
[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 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.)
0
: Specify voltage (See OUTPUT SPECIFICATIONS)
[3] POWER INPUT
AC Power
K
: 85 – 132 V AC
(Operational voltage range 85 – 132 V, 47 – 66 Hz)
L
: 170 – 264 V AC
(Operational voltage range 170 – 264 V, 47 – 66 Hz)
DC Power
R
: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
P
: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
[4] OPTIONS (multiple selections)
Response Time (0 – 90 %)
blank
: Standard (≤ 0.5 sec.)
/K
: Fast Response (Approx. 25 msec.)
Burnout
blank
: Upscale burnout
/BL
: Downscale burnout
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 (torque 0.8 N·m)
Screw terminal
: Nickel-plated 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
Zero adjustment
: -5 to +5 % (front)
Span adjustment
: 95 to 105 % (front)
Linearization
: Standard
INPUT SPECIFICATIONS
Maximum leadwire resistance
: 200 Ω per wire (3-wire)
Sensing current
: 2 mA (Pt); 1 mA (Ni 508.4 Ω)
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 1 mA max.; at ≥ 0.5 V
INSTALLATION
Power input
•
AC
: Approx. 4.5 VA
•
DC
: 24 V approx. 70 mA
110 V approx. 20 mA
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Surface or DIN rail; Standard Rack Mounting Frame BX-16H available
Weight
: 200 g (0.44 lb)
PERFORMANCE in percentage of span
Accuracy
: ±0.2 %
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
Burnout response
: ≤ 10 sec.
Line voltage effect
: ±0.1 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
Power input code R
:
1000 V AC @ 1 minute (input to output)
2000 V AC @ 1 minute (input or output or power to ground)
500 V AC @ 1 minute (I/O to power)
Power input code K, L, P
:
1000 V AC @ 1 minute (input to output)
2000 V AC @ 1 minute (input or output or power to ground)
1500 V AC @ 1 minute (I/O to power)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM