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1753 GuardPLC Safety I/O
Digital Safety I/O 
Digital Safety I/O Module Specifications
| Cat. No. | 1753-IB16 | 1753-IB8XOB8 | 1753-IB16XOB8 | 1753-IB20XOB8 | 1753-OB16 |
| Description | GuardPLC Digital Input Module | GuardPLC Digital Combination Module | GuardPLC Digital Combination Module | GuardPLC Digital Combination Module | GuardPLC Digital Output Module |
| Operating Voltage Range | 24V DC, -15%…+20%, wss 15%¬ | 24V DC, -15%…+20%, wss 15%¬ | 24V DC, -15%…+20%, wss 15%¬ | 24V DC, -15%…+20%, wss 15%¬ | 24V DC, -15%…+20% wss 15%¬ |
| Digital Inputs | |||||
| Number of Digital Inputs | 16 safetyT | 8 safetyT | 16 safetyT | 20 safetyT | — |
| Voltage, On-State Input, Nom. | 24V DC | 24V DC | 24V DC | 24V DC | — |
| Digital Outputs | |||||
| Number of Digital Outputs | — | 8 positive-switching and 2 negative-switching safety T |
8 positive-switching and 8 negative-switching safety T |
8 safetyT | 16 safetyT |
| Current, On-State Output, per Channel | — | L+ Channels 1…3, 5…7: 0.5 A @ 60 °C (140 °F) L+ Channels 4 and 8: 1 A @ 60 °C (140 °F), 2 A @ 40 °C (104 °F) L- Channels 1 and 2: 1 A @ 60 °C (140 °F), 2 A @ 40 °C (104 °F) |
Channels 2, 4, 5 and 7: 0.5 A @ 60 °C (140 °F) Channels 1 and 8: 1 A @ 60 °C (140 °F), 2 A @ 40 °C (104 °F) Channels 3 and 6: 1 A @ 60 °C (140 °F) |
Channels 1…3, 5…7: 0.5 A @ 60 °C (140 °F) Channels 4 and 8: 1 A @ 60 °C (140 °F), 2 A @ 50 °C (122 °F) |
1 A @ 60 °C (140 °F) 2 A @ 40 °C (104 °F) |
| Voltage, On-State Output, Max. | — | Supply Voltage (L+) | Supply Voltage (L+) | Supply Voltage (L+) | Supply Voltage (L+) |
| Pulse Test Sources | |||||
| Number of Pulse Test Sources | 4T | 2T | 2T | — | — |
| General | |||||
| Temperature, operating | 0…60° C (32…140° F) | 0…60°C (32…140°F) | 0…60°C (32…140°F) | 0…60°C (32…140°F) | 0…60 °C (32…140 °F) |
| Temperature, nonoperating | -40…85 °C (-40…185 °F) | -40…85 °C (-40…185 °F) | -40…85 °C (-40…185 °F) | -40…85 °C (-40…185 °F) | -40…85 °C (-40…185 °F) |
| Dimensions (HxWxD), Metric | 114 x 152 x 78 mm‡ | 114 x 152 x 78 mm‡ | 114 x 205 x 100 mm‡ | 114 x 207 x 78 mm‡ | 114 x 207 x 78 mm‡ |
| Dimensions (HxWxD), Imperial | 4.49 x 5 99 x 3.07 in‡ | 4.49 x 6.00 x 3.07 in‡ | 4.49 x 8.08 x 3.94 in‡ | 4.49 x 8.16 x 3.07 in‡ | 4.49 x 8.16 x 3.07 in‡ |
| ¬ Requires a power supply with protective separation, conforming to IEC 61131-2 requirements. T Not electrically isolated. ‡ Height including latch; width including housing screws; depth including grounding bolt and connectors. |
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Digital Relay Safety Output Module Specifications
| Cat. No. | 1753-OW8 |
| Description | GuardPLC Digital Relay Output Module |
| Number of Outputs | 8 safety relay |
| Operating Voltage Range | 24V DC, -15%…+20% wss 15%¬ |
| Switching Voltage | 5…250 V AC/ DC |
| Switching Current | • UL: 24V DC @ 1A resistive load, 250V AC @ 6 A general purpose • TUV: up to 240VA (for V AC), up to 30V DC @ 90 W, up to 70V DC @ 35 W, up to 127V DC @ 30 W |
| Service Life, Mechanical | ³106 switching cycles |
| Temperature, operating | 0…60 °C (32…140 °F) |
| Temperature, nonoperating | -40…85 °C (-40…185 °F) |
| Dimensions (HxWxD), Metric | 114 x 207 x 98 mmT |
| Dimensions (HxWxD), Imperial | 4.49 x 8.16 x 3.86 inT |
| ‡ External fusing adapted. ¬ Requires a power supply with protective separation, conforming to IEC 61131-2 requirements. T Height including latch; width including housing screws; depth including grounding bolt and connectors. |
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