08/ 00
EX90-DI8-RO8
I / O E xp an si o n M o d u l e
Unitronics Industrial Automation Systems
5
EX90-DI8-RO8 Technical Specifications
Power Supply
See Note 1.
Input voltage
24VDC
Permissible range
20.4 to 28.8VDC
Max. current consumption
150mA@ 24VDC
Typical power consumption
2.5W@ 24VDC
Status indicators
(RUN) Green
LED:
—Lit when a communication link is established between module and OPLC.
—Blinks when the communication link fails.
(PWR)
Green LED: Lit when power is on.
Inputs
Number of inputs
8 (in one group)
Input type
pnp (source)
Galvanic isolation
None
Status indicators (I0 to I7)
Green LEDs—Lit when the corresponding input is active.
Nominal input voltage
24VDC
Input voltage
0-5VDC for Logic ‘0’
15-28.8VDC for Logic ‘1’
Input current
7.5mA@ 24VDC
Response time
10mSec
Input #7
The specifications below apply when this input is wired for use as a high-speed
counter input/frequency measurer. See Notes 2 and 3.
Resolution 16-bit
Frequency 5kHz
maximum
Minimum pulse width
80µs
Outputs
Number of outputs
8 relay
Output type
SPST-NO relay; 230VAC / 24VDC
Type of relay
Takamisawa JY-24H-K or NAIS (Matsushita) JQ1AP-24V
or OMRON G6B-1114P-24VDC
Isolation By
relay
Output current
5A maximum (resistive load)
1A maximum (inductive load)
Maximum frequency
10Hz
Contact protection
External precautions required (see page 4, Increasing Contact Life Span)
Status Indicators
(O0 to O7)
Red LEDs—Lit when the corresponding output is active.
Environmental
Operating temperature
0
°
to 50
°
C
Storage temperature
-20
°
to 60
°
C
Dimensions (WxHxD)
110mm x 122mm x 55mm
Weight
212g (7.42oz.)
Mounting
Snaps onto a 35mm DIN-rail