·Some details are not shown. Please refer to specification sheets for all information.

38BSH3

DCS Input/Output Relay Card Series

ONE-SHOT OUTPUT RELAY CARD
(with test switch)

Functions & Features
• Accepting status signals from a DCS
• With test switch
• Status LED for input
• Attaching jumper enables to switch N.O. or N.C. contact of output relay and common or separation of start and stop

MODEL: 38BSH3-[1]–R

ORDERING INFORMATION
• Code number: 38BSH3-[1]-R
Specify a code from below for [1].
  (e.g. 38BSH3-0-R)

[1] TEST SWITCH
0: None
1: With

POWER INPUT
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

RELATED PRODUCTS
•Standard Rack (model: 38BXx)

GENERAL SPECIFICATIONS
Construction: Rack-mounted; terminal access via screw terminals on the front and connector on the rear; terminal cover provided
Connection
  Input: Connector
  Output: M3.5 screw terminals (torque 0.8 N·m)
  Power input: Supplied from connector
Screw terminal: Nickel-plated steel
Housing material: Flame-resistant resin (black)
Isolation: Input or power to ch.1 to ch.2
Power interruption: Operate at ≥ 150 msec. 
Status LED: Turn on when input is on or test switch is on
Test switch
 AUTO: Output the signal by input
 OFF: Forced input signal off
 ON: Forced input signal on

OPERATION

INPUT SPECIFICATIONS
Input: Dry contact or open collector
        Approx. 3 V DC (2.5 mA)
ON resistance: ≤ 200 Ω
OFF resistance: ≥ 100 kΩ
Minimum input interval: 10 sec.

OUTPUT SPECIFICATIONS
Output: Dry contact
Rating: 250 V AC @ 3 A (cos ø = 1)
30 V DC @ 3 A (resistive load)
Maximum switching voltage: 250 V AC or 120 V DC (0.2 A)
Maximum switching power: 750 VA or 90 W
Minimum switching load: 5 V DC @ 10 mA
One-shot pulse width: 1.5 – 2.5 sec. (fixed)
Relay life
Mechanical
: 5 × 107 cycles
Electrical: 106 cycles
External protection: Recommended to protect the contact and to eliminate noise when driving an inductive load (coils, etc.)
Attaching jumper to SHORT or OPEN of CH1 COM and CH2 COM enables to switch common or separation.

INSTALLATION
Current consumption: Approx. 50 mA
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 95 %RH (non-condensing)
Mounting: Standard Rack 38BXx
Weight: 150 g (0.33 lb)

PERFORMANCE
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute
(input or power to ch.1 to ch.2 to ground)
500 V AC @ 1 minute (ch.1 start - ch.1 stop)
500 V AC @ 1 minute (ch.2 start - ch.2 stop)
(Non-isolation when common is connected)

STANDARDS & APPROVALS
EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
Low Voltage Directive
  EN 61010-1
  Measurement Category II (output)
  Pollution Degree 2
  Input or power to ch.1 to ch.2: Reinforced insulation
  (300 V)
RoHS Directive

EXTERNAL VIEW

EXTERNAL DIMENSIONS unit: mm [inch]

TERMINAL ASSIGNMENTS

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.