AB 1791DS-IB16

Use these procedures when mounting the module: 

Use horizontal or vertical mounting with a DIN rail that is 35 mm 

(1.4 in.) wide for placing the module in the control panel.

Leave at least 15 mm (0.6 in.) above and below the module for 

adequate ventilation and room for wiring.

Place all other heat sources an appropriate distance from the module 

to maintain the specified ambient temperature around the module.

Description:

Attribute Value

Safety Input

Input types Current sinking 

Voltage, on-state input, min 11V DC

Current, on-state input, min 3.3 mA

Voltage, off-state input, max 5V DC

Current, off-state, max 1.3 mA

IEC 61131-2 (input type) Type 3

Pulse Test Output

Output type Current sourcing

Pulse test output current 0.7 A

Residual voltage, max 1.2V

Output leakage current, max 0.1 mA 

Short circuit protection Yes

Current, max 25 mA

Current, max (to avoid fault when used as a muted lamp 

output)

Current, min 5 mA

Current, min (at which fault indication is generated when 

used as a muted lamp output)

Safety Output (1791DS-IB8XOBV4 module only)

Output types Current sourcing/current sinking - bipolar pair

Output current rating 2 A max per point

8 A total module @ 40 °C (104 °F)

6 A total module @ 60 °C (140 °F)

On-state voltage drop ±0.6V

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E-mail: alex@fenoux.com

Tel.: +86 13338369201

Skype: +86  13338369201

WhatsApp: +86  13338369201