Rockwell Automation 1790D-XXXX DeviceNet Digital Base Terminal Block CompactBlock LDX I/O Series A User Manual
Page 21

DeviceNet Digital Base Terminal Block CompactBlock LDX I/O 21
Publication
1790-IN006C-EN-P - May 2006
1790D-TOW6 ac/dc Relay Output Base Block
Attribute
Value
Relay Type
Form A, normally open
Single pole, single throw
Output Voltage Range (load
dependent)
5…28V dc @ 2.0 A resistive
48V dc @ 0.8 A resistive
125V ac @ 2.0 A resistive
250V ac @ 2.0 A resistive
Load, Min
100 µA, 100 mV dc per point
On-state Voltage Drop, Max
0.5V @ 2.0 A, resistive load, 24V dc
Initial Contact Resistance
30 m
Ω
Expected Contact Life
300 kcycles resistive
100 kcycles inductive
Off-state Leakage, Max
1.5 mA
Output Delay Time,
On to Off
10 ms max
Output Delay Time,
Off to On
10 ms max
Relay Coil Power
Dissipation
1.7 W @ 28.8V dc
Isolation Voltage
50V dc (continuous), reinforced insulation type,
tested at 1250V ac for 60 s, I/O to system
1790D-T8AO ac Input Base Block
Attribute
Value
Inputs per Expansion Block
8 points non-isolated
On-state Voltage Range
79V ac min
110V ac nom
132V ac max
Input Impedance
18 k
Ω
On-state Current
9 mA max @ 132V ac