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7.6: Digital Output (Relay Contact) / Digital Input Card (RO1S)
The Digital Output/Input card is a combination of relay contact outputs for load switching and dry/wet contact sens-
ing digital inputs. The outputs are electrically isolated from the inputs and from the main unit.
7.6.1: Specifications
The technical specifications at 25 °C are as follows:
Power consumption:
Relay outputs.
Number of outputs:
Contact type:
Relay type:
Switching voltage:
Switching power:
Switching current:
Switching rate max.:
Mechanical life:
Electrical life:
Breakdown voltage:
Isolation:
Reset/Power down state:
Inputs.
Number of Inputs:
Sensing type:
Wetting voltage:
Input current:
Minimum input voltage:
Maximum input voltage:
Filtering:
Detection scan rate:
Isolation:
The general specifications are as follows:
Operating temperature:
Storage temperature:
Relative air humidity:
EMC - Immunity Interference:
Weight:
Dimensions (inch) W x H x L:
External Connection:
e
Electro Industries/Gauge Tech
0.320W internal
2
Changeover (SPDT)
Mechanically latching
AC 250V / DC 30V
1250VA / 150W
5A
10/s
5 x 10 7 switching operations
10 5 switching operations at rated current
AC 1000V between open contacts
AC 3000V / 5000V surge system to contacts
No change - last state is retained
2
Wet or dry contact status detection
DC (12-24)V, internally generated
2.5mA – constant current regulated
0V (input shorted to common)
DC 150V (diode protected against polarity reversal)
De-bouncing with 50ms delay time
100ms
AC 2500V system to inputs
(-20 to +70) °C
(-40 to +80) °C
Maximum 95%, non-condensing
EN61000-4-2
1.5oz
0.72 x 2.68 x 3.26
AWG 12-26/(0.129 - 3.31)mm
9 pin, 0.200" pluggable terminal block
Doc# E149701
2
7-7
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