Rockwell Automation T7488/T7488A ICS Regent+Plus Monitored Guarded Output Modules User Manual
Page 24
 
Monitored Guarded Output Modules (T7481/81A, 84, and 88/88A)
 
2 4  (Issue 2)
Industrial Control Services
Fusing
(front mounted)
One 3 amp, 250 
V, fast acting 
(3AB), rectifier 
type, per output 
Littelfuse 322-003
One 2 amp, 250 
V, fast acting 
(3AB), rectifier 
type, per output 
Littelfuse 
322-002 
One 2 amp, 250 V, 
fast acting (3AB), 
rectifier type, per 
output 
Littelfuse 322-002
Turn-On Delay
0.5 msec
0.5 msec
0.5 msec
Turn-Off Delay
0.5 msec
0.5 msec
0.5 msec
Output Test 
Duration 
250 msec for 
single or dual 
modules, max of 
425 msec if switch 
fault (dual 
modules only) 
250 msec for 
single or dual 
modules, max of 
425 msec if 
switch fault 
(dual modules 
only) 
250 msec for single 
or dual modules, 
max of 425 msec if 
switch fault (dual 
modules only) 
Heat Dissipation
30 Watts, 
101 BTUs/hour 
27 Watts, 
92 BTUs/hour 
27 Watts, 
92 BTUs/hour 
Over Voltage 
Protection 
70 VDC, 
continuous 
100 VDC, 
5 seconds 
275 VAC, 
continuous 
450 VAC, 
5 seconds 
275 VAC, 
continuous 
450 VAC, 5 seconds
Isolation
2500 volts minimum (field 
wiring to control logic) 
2500 volts minimum (output 
group 1-8 to output group 9-
16) 
Operating Temperature
0
°
to 60
°
C
(32
°
to 140
°
F)
Storage Temperature
-40
°
to 85
°
C
(-40
°
to 185
°
F)
Operating Humidity
0 to 95% relative humidity, 
non-condensing 
Vibration
10 to 55 Hz:
 
±0.15mm 
Shock
Operating:
 
15 g, ½ sine wave, 11 msec