User manual

24
Publication 1738-SG001B-EN-P
ArmorPoint I/O
1738-VHSC24M23 Input Derating Curve
11773388--VVHHSSCC2244MM2233 SSppeecciiffiiccaattiioonnss
11773388--VVHHSSCC2244MM2233
Voltage Category/Type, Input 24V dc
Current, Off-State Input, Max.
≤0.250 mA
Voltage, Off-State Input, Max.
≤1.8V dc
Current, On-State Input, Max. 10.2 mA @ 24V dc or 6.1 mA @ 15V dc
Voltage, On-State Input, Min.
≥12.5V dc
Input Filter Selections
Off
10 μs (50 kHz)
100 μs (5 kHz)
1.0 ms (500 Hz)
10.0 ms (50 Hz)
Input Frequency, Max.
1.0 MHz counter and encoder X1 configurations (no filter)
500 kHz encoder X2 configuration (no filter)
250 kHz encoder X4 configuration (no filter)
Keyswitch Position 2
Thermal Dissipation, Max. 6.5 BTU/hr @ rated load
Isolation Voltage, Min.
Prequalified for 1250V ac/rms between:
Module 1
System side (PointBus)
Chassis ground
A/B/Z inputs
O0/O1 and user power supply
Module 2
System side
Chassis ground
Vaux ±
User power supply common
External DC Power Supply Voltage, Nom. None required