Rockwell Automation AADvance Controller Solutions Handbook User Manual
Page 107

Document: 553631
(ICSTT-RM447J_EN_P) Issue: 09:
7-13
T9401/2 Digital Input Module Specification
Table 25:
T9401/2 Digital Input Module Specification
Attribute
Value
Functional Characteristics
Input Channels
T9401: 8
T9402: 16
Performance Characteristics
Safety integrity level
IEC 61508 SIL3 *
Safety level degradation
1oo1D, 1oo2D,2oo3D
Safety accuracy limit
1V
Self test interval
< 1 hour; system dependent
Sample update interval (no filter)
6ms
Sequence of events
Event resolution
Time-stamp accuracy
1ms
10ms
Electrical Characteristics
Module Supply Voltage:
Voltage
Redundant + 24V dc nominal; 18V to 32V dc
range
Module supply power dissipation
T9401: 3.3W (11.3 BTU/hr)
T9402: 4.0W (13.6 BTU/hr)
Input data voltage range
0V to 32V dc
Channel load
see TA specification
Input voltage measurement accuracy
± 0.5V
Input voltage resolution
5mV 13-bit
Field loop power dissipation
(see T9801/2/3 Termination Assembly)
Channel Isolation-maximum withstand
± 1.5KV dc for 1 minute
Mechanical Specification
Dimensions
166mm x 42mm x 118mm
(6½ in. × 1 21/32 in. × 4 21/32 in.)
Weight
T9401: 280g (10 oz.)
T9402: 340g (12 oz.)
Casing
Plastic, non-flammable
* SIL3 is the maximum achievable for a single channel. Selected CPU, input and output voting
configurations may increase or decrease the actual SIL achieved.