3704E| Triconex| Analog Input Module
Description
The 3704E is a TMR (Triple Modular Redundant) analog input module designed for critical control applications. It features 16 differential, isolated input points and supports both voltage and current inputs. The module converts analog signals to digital values and transmits them to the main processor modules. In TMR mode, it uses a mid-value selection algorithm to ensure accurate data for every scan. The 3704E provides complete, ongoing diagnostics for each channel and supports hot-swap capability for online replacement of faulty modules.
Features
- 16 differential, isolated input points
- Supports 0-5V or 0-10V voltage inputs, selectable via TriStation software
- Supports 0-20mA current inputs with 250Ω or 500Ω shunts
- Mid-value selection algorithm for accurate data
- Complete, ongoing diagnostics for each channel
- Hot-swap capability for continuous operation
- Mechanically keyed for proper installation in a Tricon chassis
- External termination panel (ETP) required for field connections
Technical Specifications
Model Number: 3704E
Type: TMR Analog Input Module
No. of Input Points: 16, diff, isolated
Voltage Inputs: 0-5V or 0-10V, +6% (selectable via TriStation software)
Current Inputs: 0-20mA, 250Ω shunt for 5V, 500Ω shunt for 10V
Input Update Rate: 50 ms
Resolution: 12 bits
Accuracy: < 0.15% of FSR, from 0° to 60°C
Input Resistance (load): 30 MΩ (DC), min.
Power-Off Resistance: 30 MΩ (DC), min.
Common Mode Rejection: -90 dB @ 60Hz, min., -100 dB @ DC, min.
Common Mode Range: +200V peak
Leg-to-Leg Isolation: 20 KΩ, typical
Normal Mode Rejection:
- @ 8Hz: -3 dB
- @ 60Hz: -17 dB
- @ 120Hz: -23 dB
Input Overrange Protection: 150 VDC/115 VAC continuous
Diagnostic Indicators: - Module Status: PASS, FAULT, ACTIVE
Color Code: Yellow Mustard
3704E| Triconex| Analog Input Module
3704E| Triconex| Analog Input Module
Description
The 3704E is a TMR (Triple Modular Redundant) analog input module designed for critical control applications. It features 16 differential, isolated input points and supports both voltage and current inputs. The module converts analog signals to digital values and transmits them to the main processor modules. In TMR mode, it uses a mid-value selection algorithm to ensure accurate data for every scan. The 3704E provides complete, ongoing diagnostics for each channel and supports hot-swap capability for online replacement of faulty modules.
Features
- 16 differential, isolated input points
- Supports 0-5V or 0-10V voltage inputs, selectable via TriStation software
- Supports 0-20mA current inputs with 250Ω or 500Ω shunts
- Mid-value selection algorithm for accurate data
- Complete, ongoing diagnostics for each channel
- Hot-swap capability for continuous operation
- Mechanically keyed for proper installation in a Tricon chassis
- External termination panel (ETP) required for field connections
Technical Specifications
Model Number: 3704E
Type: TMR Analog Input Module
No. of Input Points: 16, diff, isolated
Voltage Inputs: 0-5V or 0-10V, +6% (selectable via TriStation software)
Current Inputs: 0-20mA, 250Ω shunt for 5V, 500Ω shunt for 10V
Input Update Rate: 50 ms
Resolution: 12 bits
Accuracy: < 0.15% of FSR, from 0° to 60°C
Input Resistance (load): 30 MΩ (DC), min.
Power-Off Resistance: 30 MΩ (DC), min.
Common Mode Rejection: -90 dB @ 60Hz, min., -100 dB @ DC, min.
Common Mode Range: +200V peak
Leg-to-Leg Isolation: 20 KΩ, typical
Normal Mode Rejection:
- @ 8Hz: -3 dB
- @ 60Hz: -17 dB
- @ 120Hz: -23 dB
Input Overrange Protection: 150 VDC/115 VAC continuous
Diagnostic Indicators: - Module Status: PASS, FAULT, ACTIVE
Color Code: Yellow Mustard
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