ROC364 Instruction Manual
3-34
Input and Output Modules
Rev Jun/05
Discrete Input Isolated Module Specifications
FIELD WIRING TERMINALS
A:
Not used.
B:
Positive Discrete Input.
C:
Negative Discrete Input.
INPUT
Type:
Two-state current sense.
Range:
Inactive: 0 to 0.5 mA. Active: 2 to 9 mA.
Current:
Determined by input voltage (Vi), loop
resistance (Rl), and scaling resistor (Rs), 10
Ω
supplied):
I = (Vi – 1)/(3.3K + Rl + Rs)
Maximum Voltage:
30 V dc forward, 5 V dc
reverse.
POWER REQUIREMENTS
4.9 to 5.1 V dc, 1 mA maximum (supplied by ROC).
INPUT ISOLATION
Isolation:
100
Ω
minimum, input to output, and
input or output to case.
Voltage:
4,000 V ac (RMS) minimum, input to
output.
Capacitance:
6 pF typical, input to output.
Discrete Input Modules—Source and Isolated Common Specifications
INPUT
Loop Resistance (Rl):
4.5 k
Ω
maximum.
Frequency Response:
0 to 10 Hz maximum, 50%
Duty Cycle.
Input Filter (Debounce):
Software filter is
configured as the amount of time that the input
must remain in the active state to be recognized.
VIBRATION
20 Gs peak or 0.06 in. double amplitude,
10 to 2,000 Hz, per MIL-STD-202 method 204
condition F.
MECHANICAL SHOCK
1500 Gs 0.5 ms half sine per MIL-STD-202 method
213, condition F.
WEIGHT
37 g (1.3 oz).
CASE
Solvent-resistant thermoplastic polyester, meets
UL94V-0.
Dimensions are 15 mm D by 32 mm H by 43 mm W
(0.60 in. D by 1.27 in. H by 1.69 in. W), not
including pins.
ENVIRONMENTAL
Meets the Environmental specifications of the ROC
in which the module is installed, including
Temperature, Humidity, and Transient Protection.
APPROVALS
Approved by CSA for hazardous locations Class I,
Division 2, Groups A, B, C, and D.