DOT-100
WBPEEUI240751C0 2 - 15
DOT-100
Onboard Electromechanical Re lay Out
The DOT-100 block interfaces digital output signals and is
used in AC/DC switching applications. It supports 16 isolated
output channels (i.e., relay contacts). Each channel can be
wired as either a normally open or normally closed output.
Relays are socketed for easy replacement. Output channels
can switch voltages up to 240 VAC and maximum load cur-
rents up to 3.0 amperes. Arc suppressors protect the contacts
when driving inductive loads. The block supports redundant
I/O electronics.
Table 2-10. DOT-100 Specificat ions
Property Characteristic/Value
1
Outputs 24 VDC, 48 VDC, 125 VDC
120 VA C, 240 VAC
Channels 16 isolated (relay contacts)
Update rate All channels 83 times per second (12 msec)
Relay Type Magnacraft miniature epoxy sealed PC board EM relay
Coil nominal voltage 24 VDC
Coil nominal current 23 mA
Contact configuration
Contact material
Contact resistance
SPDT (1 form C)
Silver cadmium oxide
100 mΩ
Cycle rate
Minimum switching
load
Switching speed
Bounce time
30 operations per minute at rated load
10 VDC at 10 mA
15 msecs
1.2 msecs (average)
No. of operations 150,000
Currents
BLP fuse (A and B) 1.6 A, 250 V, 5 x 20 mm, fast-acting, low break capacity
(IEC 127-2/II)
Property 24 VDC 48 VDC 125 VDC 120 VAC 240 VAC
Make 6.0 A 6.0 A 6.0 A 6.0 A 3.0 A
Carry 3.0 A 3.0 A 3.0 A 3.0 A 1.5 A
Resistive break 3.0 A 3.0 A 3.0 A 3.0 A 1.5 A
Inductive break 1.0 A 1.0 A 1.0 A 1.0 A 0.5 A
NOTE:L/R=7.0msecs;pf=40%
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