Siemens QUADLOG - 6 Specifications; Module Specifications; Environmental Specifications; CAI Specifications

SDQLCAI-1 Specifications
May 2002 6-1
6 Specifications
This section lists specifications for the QUADLOG Critical Analog Input Module (CAI).
6.1 Module Specifications
Table 6-1 lists the CAI’s mechanical and electrical specifications.
Table 6–1 CAI Specifications
CATEGORY SPECIFICATION
DATA
(Standalone)
DATA
(Module w/ Marshalled
Termination Assembly)
Module Weight 4.25 lbs (1.9 kg)
Module Input Voltage 24 Vdc ±10% (from backplane)
Maximum Supply Input Current 0.25 A
Dielectric Strength Tested to 1950 Vdc between I/O terminals and
chassis
Heat Dissipation (typical) 6 W
Module Scan Rate 75 ms
Channel Types Critical Analog Input
Critical Discrete Supervised Input
Module
Agency Approvals See module nameplate label
Channels per Module 32
Input range 0.0 to 5.6 Vdc 0.0 to 22.4 mA
Calibration Range (span) 1 to 5 Vdc 4 to 20 mA
Resolution 12 bits over input range
Accuracy 0.1% of span at 25°C
(77°F)
0.2% of span at 25°C
(77°F)
Temperature Effect < 0.5% of span for a
50°C (122°F) change
< 0.5% of span for a
50°C (122°F) change
Analog Inputs
Maximum rate of change 250 ma/s or 62.5 v/s
6.2 Environmental Specifications
Table 6-2 lists the environmental specifications for the CAI.
Table 6–2 CAI Environmental Specifications
SPECIFICATIONS DATA REFERENCE STANDARDS
Ambient Temperature Range:
Operating
Storage
-25 to 70°C, 0.5 °/min
-25 to 85°C, 10°/min
IEC 68-2-2 Test Bb
IEC 68-2-14 Tests Na, Nb
IEC 68-2-1 Tests Ab, Ad
Relative Humidity:
Operating:
Storage
5 to 95%, non-condensing
0 to 100%, condensing
IEC 68-2-3 Test Ca
IEC 68-2-30 Test Dd