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1771-IGD | Allen-Bradley 16-Point 5V DC TTL Digital Input Module for PLC-5 Systems
- Regular price
- $1,107.50
- Sale price
- $1,107.50
- Regular price
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Product Description P/N: 1771-IGD
Description
The Allen-Bradley 1771-IGD is a PLC-5 digital input module designed for TTL logic applications. It provides 16 input channels that operate at 5V DC, supporting both positive and negative logic configurations. This module is used in automation systems requiring high-speed, low-voltage signal interfacing with controllers.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | Industrial Automation |
| Part Number | 1771-IGD |
| Subcategory | Digital Input Modules |
| Manufacturer | Rockwell Automation |
| Module Type | TTL Input Module |
| Number of Inputs | 16 |
| Voltage Category | 5V DC (TTL) |
| DC Operating Voltage | 5.0–5.3 VDC |
| Logic Levels (Positive Mode) | ON = 2.0–5.25 VDC; OFF = –0.2–0.8 VDC |
| Logic Levels (Negative Mode) | ON = –0.2–0.8 VDC; OFF = –2.0–5.25 VDC |
| Response Time | <1 ms ON/OFF |
| Isolation | 1500V channel-to-system |
| Input Current Requirements | 7 mA source, 0.8 mA sink |
| Backplane Current | 130 mA @ 5V DC |
| Power Dissipation | 0.4–2.7 W |
| Wiring Arm | 1771-WH |
| Indicators | 18 LEDs (16 channel, 2 status) |
| Mounting | Rack mount (1771-A1B/A2B/A3B/A3B1/A4B, AM1, AM2) |
| Operating Temperature | 32–131°F (0–55°C) |
| Signal Delay (DC) | <1 ms typical |
| Protection | 0.5 A fuse integrated |
| Series | Series A |
| Weight | 1.86 lb |
Information About 1771-IGD
The 1771-IGD is part of the Allen-Bradley 1771 I/O family and is designed to accept TTL-compatible digital signals. It operates with a 5V DC input supply (±0.25V) and supports input states of 2.0–5.25 VDC for ON and -0.2–0.8 VDC for OFF in positive logic mode, with selectable jumper settings to reverse logic operation. Each input requires a maximum source current of 7 mA and a sink current of 0.8 mA. The module features 16 isolated input channels, with less than 1 ms signal delay for fast response. It consumes 130 mA at 5V DC backplane current and dissipates between 0.4 W and 2.7 W. Designed with 1500V isolation and a protective 0.5 A fuse, it safeguards against surges and accidental voltage application. The module mounts in 1771 chassis types such as 1771-A1B, A2B, A3B, A3B1, and A4B or AM1/AM2, and uses the 1771-WH wiring arm for field wiring connections. Equipped with 18 LED indicators, it provides clear channel and module status monitoring.
Key Features:
- Design: 16-point TTL digital input module for PLC-5 systems.
- Logic Levels: Supports selectable positive or negative logic states via jumper setting.
- Voltage Range: Operates at 5V DC (±0.25V) with ON/OFF thresholds of 2.0–5.25 VDC and -0.2–0.8 VDC.
- Performance: Fast response with <1 ms input signal delay.
- Protection: 1500V isolation and built-in 0.5 A fuse for surge and fault protection.
- Power Requirements: Backplane draw of 130 mA at 5V DC; 0.4–2.7 W power dissipation.
- Indicators: 18 LED indicators for channel status and module activity.
- Compatibility: Installs in 1771-A1B through A4B, AM1, and AM2 chassis; uses 1771-WH wiring arm.
The 1771-IGD delivers fast, reliable, and noise-immune TTL input interfacing for Allen-Bradley PLC-5 automation systems.
Description
The Allen-Bradley 1771-IGD is a PLC-5 digital input module designed for TTL logic applications. It provides 16 input channels that operate at 5V DC, supporting both positive and negative logic configurations. This module is used in automation systems requiring high-speed, low-voltage signal interfacing with controllers.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | Industrial Automation |
| Part Number | 1771-IGD |
| Subcategory | Digital Input Modules |
| Manufacturer | Rockwell Automation |
| Module Type | TTL Input Module |
| Number of Inputs | 16 |
| Voltage Category | 5V DC (TTL) |
| DC Operating Voltage | 5.0–5.3 VDC |
| Logic Levels (Positive Mode) | ON = 2.0–5.25 VDC; OFF = –0.2–0.8 VDC |
| Logic Levels (Negative Mode) | ON = –0.2–0.8 VDC; OFF = –2.0–5.25 VDC |
| Response Time | <1 ms ON/OFF |
| Isolation | 1500V channel-to-system |
| Input Current Requirements | 7 mA source, 0.8 mA sink |
| Backplane Current | 130 mA @ 5V DC |
| Power Dissipation | 0.4–2.7 W |
| Wiring Arm | 1771-WH |
| Indicators | 18 LEDs (16 channel, 2 status) |
| Mounting | Rack mount (1771-A1B/A2B/A3B/A3B1/A4B, AM1, AM2) |
| Operating Temperature | 32–131°F (0–55°C) |
| Signal Delay (DC) | <1 ms typical |
| Protection | 0.5 A fuse integrated |
| Series | Series A |
| Weight | 1.86 lb |
Information About 1771-IGD
The 1771-IGD is part of the Allen-Bradley 1771 I/O family and is designed to accept TTL-compatible digital signals. It operates with a 5V DC input supply (±0.25V) and supports input states of 2.0–5.25 VDC for ON and -0.2–0.8 VDC for OFF in positive logic mode, with selectable jumper settings to reverse logic operation. Each input requires a maximum source current of 7 mA and a sink current of 0.8 mA. The module features 16 isolated input channels, with less than 1 ms signal delay for fast response. It consumes 130 mA at 5V DC backplane current and dissipates between 0.4 W and 2.7 W. Designed with 1500V isolation and a protective 0.5 A fuse, it safeguards against surges and accidental voltage application. The module mounts in 1771 chassis types such as 1771-A1B, A2B, A3B, A3B1, and A4B or AM1/AM2, and uses the 1771-WH wiring arm for field wiring connections. Equipped with 18 LED indicators, it provides clear channel and module status monitoring.
Key Features:
- Design: 16-point TTL digital input module for PLC-5 systems.
- Logic Levels: Supports selectable positive or negative logic states via jumper setting.
- Voltage Range: Operates at 5V DC (±0.25V) with ON/OFF thresholds of 2.0–5.25 VDC and -0.2–0.8 VDC.
- Performance: Fast response with <1 ms input signal delay.
- Protection: 1500V isolation and built-in 0.5 A fuse for surge and fault protection.
- Power Requirements: Backplane draw of 130 mA at 5V DC; 0.4–2.7 W power dissipation.
- Indicators: 18 LED indicators for channel status and module activity.
- Compatibility: Installs in 1771-A1B through A4B, AM1, and AM2 chassis; uses 1771-WH wiring arm.
The 1771-IGD delivers fast, reliable, and noise-immune TTL input interfacing for Allen-Bradley PLC-5 automation systems.
