ES-4594 Rev.2
38BIS8
DCS Input/Output Relay Card Series
INPUT RELAY CARD
MODEL: 38BIS8–[1]–R
ORDERING INFORMATION
• Code number: 38BIS8-[1]-R
Specify a code from below for [1].
(e.g. 38BIS8-1-R)
[1] TEST SWITCH
0
: None
1
: With (AUTO at the center)
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 & re-transmitted output
: M3.5 screw terminals
(torque 0.8 N·m)
Output
: Connector
Power input
: Supplied from connector
Screw terminal
: Nickel-plated steel
Isolation
: input or power to output to re-transmitted output
Test switch
AUTO
: Relay energized at ON input
OFF
: Forced relay de-energized
ON
: Forced relay energized
INPUT SPECIFICATIONS
Input
: Dry contact or open collector
24 V DC @ 40 mA min.
ON resistance ≤ 200 Ω
OFF resistance ≥ 100 kΩ
OUTPUT SPECIFICATIONS
Output
: Dry contact
Rating
Output
: 30 V DC @ 0.3 A (resistive load)
Re-transmitted output
: 250 V AC @ 3 A (cos ø = 1)
30 V DC @ 3 A (resistive load)
Minimum switching load
: 5 V DC @ 10 mA
Relay life
Mechanical
: 5 × 10
7
cycles
Electrical
: 10
5
cycles
Relay protection
: External protection recommended when driving an inductive load (coil etc.)
INSTALLATION
Current consumption
: Approx. 70 mA
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 30 to 90 %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 output to re-transmitted output to ground)
EXTERNAL VIEW
EXTERNAL DIMENSIONS unit: mm [inch]
TERMINAL ASSIGNMENTS
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM