ES-1808 Rev.4

18BXEA

Rack-mounted DCS Signal Conditioners 18-RACK

STANDARD RACK

(pressure supply)
Functions & Features
• Standard 19" rack for 18-RACK signal conditioners
• Line power supplied via the rear rack bus
• Dual-redundant power supply or two independent power sources selectable with AC power supply
• Supply pressure via manifold
• Direct interface to various DCS with the rack connector

MODEL: 18BXEA–[1]-[2][3]

ORDERING INFORMATION

• Code number: 18BXEA-[1]-[2][3]
Specify a code from below for each of [1] through [3].
  (e.g. 18BXEA-Y0-K2/M)

[1] CONNECTOR

0: None
U1: Fujitsu FCN type I/O connector
Y0: Yokogawa DCS connector
N1: Nippon Shokubai DCS connector
K1: Azbil DCS AI connector
K2: Azbil DCS AO connector
K3: Azbil DCS AI connector (ELCO connector)
K4: Azbil DCS AO connector (ELCO connector)
E1: Toshiba DCS SAMP1 card use
E2: Toshiba DCS SAOP1 card use
E3: Toshiba DCS SAIN1 card use 
    (Panasonic AXM220001 used)
   (DISCONTINUED; replace with code "E3A".)
E3A: Toshiba DCS SAIN1 card supported
     (Omron XG4A-2031 used)
We guarantee the connecting section.

[2] POWER SUPPLY UNIT

AC Power
K: 85 – 132 V AC; single power source
(Operational voltage range 85 – 132 V, 47 – 63 Hz)
K2: 85 – 132 V AC; dual-redundant power supply 
(Operational voltage range 85 – 132 V, 47 – 63 Hz)
KK: 85 – 132 V AC; two independent power sources
(Operational voltage range 85 – 132 V, 47 – 63 Hz)
L: 170 – 264 V AC; single power source
(Operational voltage range 170 – 264 V, 47 – 63 Hz)
L2: 170 – 264 V AC; dual-redundant power supply
(Operational voltage range 170 – 264 V, 47 - 63 Hz)
DC Power
R: 24 V DC; no power supply unit
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
AC/DC Power
KR: 85 – 132 V AC / 24 V DC; two independent power sources
(85 – 132 V, 47 – 63 Hz or 24V ±10 %, ripple 10 %p-p max.)
(Redundant or independent power sources are recommended for long time use without interruption.)

[3] OPTIONS

Mounting Bracket
blank: Rack mounting, standard
/M: Center mounting
/W: Surface mounting

RELATED PRODUCTS

• Blank filler plate (model: P-181)
• Connector terminal block (model: CNT)
• Special cable with 40-pin connector (model: FCN)

GENERAL SPECIFICATIONS

Construction: Metal plates assembly
Coating: Colored Zn-Cr
Capacity: 16 positions
Connection
  Power input: M4 screw terminals (torque 0.8 N·m)
  Power alarm output: M4 screw terminals (torque 0.8 N·m)
  Pneumatic: Rc 3/8" female (torque ≤ 12 N·m)
Screw terminal: Nickel-plated brass
Manifold: Aluminium alloy
Power alarm output: N.C. contact turns off at power failure or failure of power units. Supplied only with dual-redundant power supply or two independent power sources
Power RUN LED: Light turns on in normal conditions (supplied only with dual-redundant power supply or two independent power sources)

OUTPUT SPECIFICATIONS

■ Alarm Output
Rated load: 250 V AC @ 3 A (cos ø = 1)
30 V DC @ 3 A (resistive load)
Maximum switching voltage: 250 V AC, 30 V DC
Maximum switching power: 750 VA, 90 W
Minimum load: 5 V DC @ 10 mA
Mechanical life: ≥ 5 × 107 cycles

INSTALLATION

Supply pressure: Refer to the data sheet for I/P transducers
Power consumption
•AC: 130 VA min.
•DC: 2.5 A min.
Operating temperature: -5 to +55°C (23 to 131°F) 0 to 50°C (32 to 122°F) for AC power
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: JIS or EIA standard rack or surface
Weight
Single power supply w/o power units:
  5.5 kg (12.13 lb) with DC power type
  6.0 kg (13.23 lb) with AC power type
Dual-redundant or two independent power sources:
  6.0 kg (13.23 lb) with AC/DC power type
  6.5 kg (14.33 lb) with AC/AC power type

PERFORMANCE

Insulation resistance: ≥ 100 MΩ with 500 V DC
(I/O connector to power to FG)
Dielectric strength: 500 V AC @ 1 minute
(I/O connector to power)
1500 V AC @ 1 minute (power to FG)
500 V AC @ 1 minute (1000 V for 24 V DC)
(I/O connector to FG)
Maximum supply pressure: 196 kPa
(2 kgf/cm2, 1.96 bar, 28 psig)

MOUNTING REQUIREMENTS

CONNECTION DIAGRAM

DIMENSIONS unit: mm (inch)

I/O CONNECTOR PIN ASSIGNMENT