ES-3218 Rev.9
DS-48
Plug-in Signal Conditioners M-UNIT
CURRENT LOOP SUPPLY
(10 – 50mA loop)
Functions & Features
• Powering a 10 – 50 mA DC current loop
• Electrically isolating output signal from power input
• Shortcircuit protection with fuses
• High-density mounting
Typical Applications
• Various 2-wire transmitters
MODEL: DS-48-[1][2]
ORDERING INFORMATION
• Code number: DS-48-[1][2]
Specify a code from below for each of [1] and [2].
(e.g. DS-48-B/Q)
• Specify the specification for option code /Q
(e.g. /C01/S01)
SUPPLY OUTPUT
48
: 48 V DC (unregulated)
INPUT
Current
10 – 50 mA DC (Input resistance approx. 100 Ω)
OUTPUT
Voltage
1 – 5 V DC (Load resistance 100 kΩ min.)
[1] 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
R
: 24 V DC
[2] 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 or output to power
Power fuse
: 250 V, 0.5 A (size: 5.2 x 20 mm)
Loop fuse
: 125 V, 0.1 A (size: 5.2 x 20 mm)
Loop monitor terminals
: Output 1 – 5 V DC
Power Pilot LED
: Red LED turns on in normal voltage level.
SUPPLY OUTPUT
Output voltage
: 48 V DC ±10 % (with 100 % power input)
Current rating
: ≤ 60mA DC
INPUT SPECIFICATIONS
■
DC Current
: Input resistor incorporated
INSTALLATION
Power input
•
AC
: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 3 VA
•
DC
: Operational voltage range: 24 V ±10 %, approx. 120 mA (ripple 10 %p-p max.)
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
: ±0.1 % (accuracy of the receiving resistor)
Temp. coefficient
: ±0.003 %/°C (±0.002 %/°F) (temp. coefficient of the receiving resistor)
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 1000 V AC @ 1 minute
(input or output to power)
2000 V AC @ 1 minute (input or output or power to ground)
EXTERNAL VIEW
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM