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Technical Specifications:
Manufacturer:
Allen-Bradley
Product Type:
Coprocessor Serial Expander Module
📡 Communication Speed
| 🔄 Specification |
📊 Details |
| COMM1, COMM2, COMM3 |
From 110 Kbps to 38.4 Kbps |
| Ethernet Speed |
10 Mbps |
🔧 Serial Standards
| 🔌 Specification |
📋 Details |
| Compatible Standards |
RS-232C, RS-423, RS-485, RS-422A |
🔍 Error Detection
| 🚨 Specification |
📏 Details |
| Current |
500 mA at 30V AC/DC (resistive) |
🔒 Optical Isolation
| 💡 Specification |
📄 Details |
| Protection |
Between communication ports and other circuitry |
🔌 Pin Configuration (Expander Module)
| 🔧 Specification |
🔑 Details |
| Main Module Keying |
Pins 24 and 26 or 30 and 32 |
| Upper C Connector Keying |
Pins 16 to 18 |
| Lower D Connector Keying |
Pins 2 to 4 or 16 to 18 |
🔋 Power Supply
| 🔋 Specification |
⚡ Details |
| Power Source |
1771 chassis backplane |
⚠️ Installation Requirements
| 🔧 Specification |
📋 Details |
| ESD Prevention |
- Must use grounding wrist wraps
- Proper grounding of the 1771 I/O chassis
|
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