Description
Technical Specifications Table
| Parameter | Specification |
| Model | ABB SS822 |
| Type | 16-Channel Digital I/O Module |
| Input Voltage | 24VDC (18-30V range) |
| Input Current | 3mA typical (per channel) |
| Output Type | Solid-state (MOSFET) |
| Output Current | 0.5A per channel (2A total module) |
| Switching Frequency | Up to 100Hz |
| Isolation | 1500VAC channel-to-system |
| Response Time | <1ms (input), <0.5ms (output) |
| Power Consumption | 2.5W (typical) |
| Operating Temp | -25°C to +70°C |
| Connection | Removable screw terminals |
| Compatibility | ABB AC 800M, S800 I/O System |
ABB SS822
Product Description
The ABB SS822 is a high-density digital input/output module designed for industrial automation systems. This versatile 16-channel unit combines both input and output functionality in a single compact module, providing space-efficient solutions for control cabinet installations. As part of ABB’s S800 I/O family, it offers seamless integration with AC 800M controllers and Advant Controller 800M systems.
Engineered for reliability in harsh environments, the SS822 features robust electrical isolation and industrial-grade components capable of withstanding vibration, electrical noise, and temperature extremes. Its flexible configuration supports mixed input/output applications, making it ideal for machine control, process automation, and safety systems.
Key Features & Benefits
Dual-Function Design:
Configurable as 16 inputs, 16 outputs, or mixed I/O
Individual channel configuration via software
Eliminates need for separate input/output modules
High Performance:
<1ms input response for fast signal detection
MOSFET outputs for reliable switching
1500VAC isolation for noise immunity
Installation Advantages:
Hot-swappable in S800 I/O rack
Clear LED status indicators per channel
Tool-free terminal block design
Advanced Diagnostics:
Short-circuit protected outputs
Open-circuit detection
Overload indication
ABB SS822
Typical Applications
Manufacturing Automation:
Machine tool control interfaces
Conveyor system sensors/actuators
Robotic cell peripheral control
Process Control:
Valve position monitoring
Pump run status indicators
Alarm annunciator interfaces
Material Handling:
Photoeye input interfaces
Solenoid valve control
Stack light outputs
Building Automation:
HVAC equipment monitoring
Access control systems
Emergency lighting control
Compatible Systems & Accessories
S800 I/O Baseplate – Mounting platform
TA810 Terminal Unit – Wiring accessory
CI854 Communication Interface – PROFIBUS DP
PM864 Controller – AC 800M processor
SD822 – Similar digital I/O module variant
Installation & Maintenance
Mounting Requirements:
Install on S800 baseplate (horizontal/vertical)
Maintain 50mm clearance above/below
Follow Class 1 Division 2 guidelines for hazardous areas
Wiring Practices:
Use 18-22 AWG shielded cable
Separate signal/power wiring runs
Properly terminate shield at one end
Maintenance Schedule:
Annual terminal tightness check
Biannual contact cleaning
5-year preventive replacement cycle
Monitor LED status indicators
Technical Support & Services
36-month product warranty
On-site commissioning support available
10-year long-term availability guarantee
Firmware update services
24/7 technical helpdesk access
Custom configuration services
Version Comparison
Compared to previous SS821 model, the SS822 offers:
25% faster response times
Increased output current capacity
Enhanced diagnostic capabilities
Wider operating temperature range
Improved vibration resistance
