MODEL: HJFT
Space-saving Plug-in Signal Conditioners H-UNIT
[1] FUNCTION
1: Moving average output
2: Dead-time computing
3: Delay buffer
FILTER/LAG TRANSMITTER
(field-programmable)
4: Lead-time computing
5: Ramp buffer
Functions & Features
• Providing various filter functions which eliminate
unnecessary elements in the input signals
• Microprocessor based
6: Mean average output
• On-site calibration via hand-held programmer PU-2x
• Field-programmable input range
• High-density mounting
[2] INPUT
Current
A: 4 – 20 mA DC (Input resistance 250 Ω)
H: 10 – 50 mA DC (Input resistance 100 Ω)
Voltage
Typical Applications
• Level control; eliminating drifts in the input signal caused
by pumps
6: 1 – 5 V DC (Input resistance 1 MΩ min.)
U1: Range ±100 mV;
(Minimum span 3 mV, Input resistance 20 kΩ min.)
U2: Range ±1000 mV;
26 (1.02)
(Minimum span 30 mV, Input resistance 20 kΩ min.)
U3: Range ±10 V;
93
(3.66)
(Minimum span 0.3 V,Input resistance 1 MΩ min.)
[3] OUTPUT
Current
137
(5.39)
mm (inch)
A: 4 – 20 mA DC (Load resistance 600 Ω max.)
Voltage
6: 1 – 5 V DC (Load resistance 500 Ω min.)
MODEL: HJFT[1]-[2][3]-R[4]
POWER INPUT
DC Power
ORDERING INFORMATION
• Code number: HJFT-[1]-[2][3]-R[4]
Specify a code from below for each of [1] through [4].
(e.g. HJFT1-6A-R/Q)
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
• Special input range (For codes U1, U2 & U3)
• Parameters (See "Functions" section)
Default setting will be used if not otherwise specified.
Use Ordering Information Sheet (No. ESU-1679) to specify
parameters.
[4] OPTIONS
blank: none
/Q: With options (specify the specification)
• Specify the specification for option code /Q
(e.g. /C01/S01)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
ITEM
DEFAULT
0.1
Sampling cycle: H
/C02: Polyurethane coating
1 (2 for mean aver-
age output filter)
/C03: Rubber coating
No. of samples to be calculated: N
TERMINAL SCREW MATERIAL
/S01: Stainless steel
Time constant: T
0.0
200.00
200.00
0
Max. rate of positive output change (CP)
Max. rate of negative output change (CN)
No. of smallest samples to be cut off (L)
No. of largest samples to be cut off (U)
RELATED PRODUCTS
• Programming Unit (model: PU-2x)
0
• PC configurator software (model: JXCON)
Downloadable at M-System’s web site.
A dedicated cable is required to connect the module to the
HJFT SPECIFICATIONS
ES-3479 Rev.8 Page 1/5
http://www.m-system.co.jp/