| Connection | Assembly Instance | Size (in words) |
| Input | 103 | 10 |
| Output | 104 | 10 |
| Gateway Status Word (Input Data Mapping) | |||
| Description | Word Offset | Bit Offset | Bit Length |
| Module Diagnostics Available | 0 | 0 | 1 |
| Station Configuration Changed | 0 | 3 | 1 |
| Overcurrent Isys | 0 | 5 | 1 |
| Overvoltage Field Supply Ul | 0 | 6 | 1 |
| Undervoltage Field Supply Ul | 0 | 7 | 1 |
| Overvoltage Field Supply Usys | 0 | 8 | 1 |
| Undervoltage Field Supply Usys | 0 | 9 | 1 |
| Modulebus Communication Lost | 0 | 10 | 1 |
| Modulebus Configuration Error | 0 | 11 | 1 |
| Force Mode Enabled | 0 | 14 | 1 |
| Slot 1 - BL20-E-16DI-24VDC-P (Input Data Mapping) | |||
| Description | Word Offset | Bit Offset | Bit Length |
| Channel 1 - Input value | 1 | 0 | 1 |
| Channel 2 - Input value | 1 | 1 | 1 |
| Channel 3 - Input value | 1 | 2 | 1 |
| Channel 4 - Input value | 1 | 3 | 1 |
| Channel 5 - Input value | 1 | 4 | 1 |
| Channel 6 - Input value | 1 | 5 | 1 |
| Channel 7 - Input value | 1 | 6 | 1 |
| Channel 8 - Input value | 1 | 7 | 1 |
| Channel 9 - Input value | 1 | 8 | 1 |
| Channel 10 - Input value | 1 | 9 | 1 |
| Channel 11 - Input value | 1 | 10 | 1 |
| Channel 12 - Input value | 1 | 11 | 1 |
| Channel 13 - Input value | 1 | 12 | 1 |
| Channel 14 - Input value | 1 | 13 | 1 |
| Channel 15 - Input value | 1 | 14 | 1 |
| Channel 16 - Input value | 1 | 15 | 1 |
| Slot 3 - BL20-E-4IOL (Input Data Mapping) | |||
| Description | Word Offset | Bit Offset | Bit Length |
| IO-Link input data word 0 | 3 | 0 | 16 |
| IO-Link input data word 1 | 4 | 0 | 16 |
| IO-Link input data word 2 | 5 | 0 | 16 |
| IO-Link input data word 3 | 6 | 0 | 16 |
| IO-Link input data word 4 | 7 | 0 | 16 |
| IO-Link input data word 5 | 8 | 0 | 16 |
| IO-Link input data word 6 | 9 | 0 | 16 |
| Channel 1 - Digital input | 2 | 0 | 1 |
| Channel 2 - Digital input | 2 | 1 | 1 |
| Channel 3 - Digital input | 2 | 2 | 1 |
| Channel 4 - Digital input | 2 | 3 | 1 |
| Channel 1 - Input value valid | 2 | 8 | 1 |
| Channel 2 - Input value valid | 2 | 9 | 1 |
| Channel 3 - Input value valid | 2 | 10 | 1 |
| Channel 4 - Input value valid | 2 | 11 | 1 |
| Channel 5 - XSG input | 2 | 4 | 1 |
| Channel 6 - XSG input | 2 | 5 | 1 |
| Channel 7 - XSG input | 2 | 6 | 1 |
| Channel 8 - XSG input | 2 | 7 | 1 |
| Channel 5 - Overcurrent XSG | 2 | 12 | 1 |
| Channel 6 - Overcurrent XSG | 2 | 13 | 1 |
| Channel 7 - Overcurrent XSG | 2 | 14 | 1 |
| Channel 8 - Overcurrent XSG | 2 | 15 | 1 |
| Slot 2 - BL20-E-8DO-24VDC-0.5A-P (Output Data Mapping) | |||
| Description | Word Offset | Bit Offset | Bit Length |
| Channel 1 - Output value | 1 | 0 | 1 |
| Channel 2 - Output value | 1 | 1 | 1 |
| Channel 3 - Output value | 1 | 2 | 1 |
| Channel 4 - Output value | 1 | 3 | 1 |
| Channel 5 - Output value | 1 | 4 | 1 |
| Channel 6 - Output value | 1 | 5 | 1 |
| Channel 7 - Output value | 1 | 6 | 1 |
| Channel 8 - Output value | 1 | 7 | 1 |
| Slot 3 - BL20-E-4IOL (Output Data Mapping) | |||
| Description | Word Offset | Bit Offset | Bit Length |
| IO-Link output data word 0 | 3 | 0 | 16 |
| IO-Link output data word 1 | 4 | 0 | 16 |
| IO-Link output data word 2 | 5 | 0 | 16 |
| IO-Link output data word 3 | 6 | 0 | 16 |
| IO-Link output data word 4 | 7 | 0 | 16 |
| IO-Link output data word 5 | 8 | 0 | 16 |
| IO-Link output data word 6 | 9 | 0 | 16 |
| Channel 5 - XSG output | 2 | 4 | 1 |
| Channel 6 - XSG output | 2 | 5 | 1 |
| Channel 7 - XSG output | 2 | 6 | 1 |
| Channel 8 - XSG output | 2 | 7 | 1 |