Manual USB-IIRO-16 Family
15
Chapter 7: Specifications
ISOLATED INPUTS
Number of inputs:
Sixteen
Type:
Non-polarized, optically isolated from each other and from the computer
(CMOS compatible)
Voltage Range:
3 to 31 DC or AC Rms (40 to 10000 Hz)
Isolation: 500V
*
(see note) channel-to-ground or channel-to channel
Input Resistance:
1.8K ohms in series with opto coupler
Filter Response Times:
Rise Time = 4.7 mS / Fall Time = 4.7 mS
Non-Filter Response Times:
Rise Time = 10 uS / Fall Time = 30 uS
RELAY OUTPUTS
Number of outputs:
Sixteen SPDT form C
Contact Type:
Single crossbar; Ag with Au clad
Rated Load AC:
0.5 A at 125 VAC (62.5 VA max.)
Rated Load DC:
1A at 24 VDC (30 W max.)
Max. Switching Voltage:
125 VAC, 60 VDC
Max. Switching Current:
1 A
Contact Resistance:
100 m
Ω
max.
Contact Life: mech'l:
5 million operations min.
Operating Time:
5 milliseconds max.
Release Time:
5 milliseconds max.
POWER REQUIRED
5V@ 30mA typical (all relays off, add 30mA per relay)
5V@ 510mA typical (all relays ON)
+5VDC provided via USB cable up to 500mA**
**optional external power supply can be ordered if relay use of the board is expected to be greater than what
can be supplied by the USB cable.
