The AHT639 is our process deviation input trip amplifier with dual trips suitable for SIL 1, 2 & 3 applications
- Supply voltage 21 to 30Vdc
- Input DC current/voltage can be specified in the range of:
Current up to 100mA max (Passive)
Voltage 0.4 to 100v max
Typical input: 4-20mA (passive) - Output each Trip output is a changeover contact rated at 250VAC, 2A, 100VA (resistive)
Environmental Condition
Performance
Mounting/Dimensions
Environmental Condition
Storage Temperature: -40°C to +70°C
Operating Ambient: -15°C to +55°C
Relative Humidity 5% to 95% RH (Non-Condensing)
Performance
Trip repeatability: <±0.1%
Response time: Typically <400mS
Trip settability: <±0.1%
Mounting/Dimensions
Card 3U high 4E wide
Mounting 19″ rack / 84E wide (See rack GA for details)
Card weight <200g