Rockwell Automation Publication 1756-UM058G-EN-P - November 2012 247
1492 IFMs for Digital I/O Modules Appendix G
1756-OV32E 1492-IFM40F Feed-through Standard 1492-CABLExZ
(x=cable length)
1492-IFM40F-2 Extra terminals
1492-IFM40D24 Status-indicating Standard with 24V AC/DC status indicators
1492-IFM40D24-2 24V AC/DC status indicators and extra terminals for outputs
1492-IFM40F-F2 Fusible 120V AC/DC with extra terminals for outputs
1492-IFM40F-F24-2 Extra terminals with 24V AC/DC blown fuse indicators for outputs
1756-OW16I 1492-IFM40F Feed-through Standard 1492-CABLExY
(x=cable length)
1492-IFM40DS24-4 Status-indicating Isolated with 24/48V AC/DC status indicators and four terminals per output
1492-IFM40DS120-4 Isolated with 120V AC status indicators and four terminals per output
1492-IFM40F-FS-2 Fusible Isolated with extra terminals for 120V AC/DC outputs
1492-IFM40F-FS24-2 Isolated with extra terminals and 24V AC/DC blown fuse indicators for outputs
1492-IMF40F-FS24-4 Isolated with 24V AC/DC blown fuse indicators and four terminals per output
1492-IFM40F-FS-4 Isolated 240V AC/DC with four terminals per output
1492-IMF40F-FS120-2 Isolated with extra terminals and 120V AC blown fuse indicators
1492-IMF40F-FS120-4 Isolated with 120V AC/DC blown fuse indicators and four terminals per output
1492-IMF40F-FS240-4 Isolated with 240V AC/DC blown fuse indicators and four terminals per output
1756-OX8I 1492-IFM40F Feed-through Standard 1492-CABLExY
(x=cable length)
1492-IFM40DS24-4 Status-indicating Isolated with 24/48V AC/DC status indicators and four terminals per output
1492-IFM40DS120-4 Isolated with 120V AC status indicators and four terminals per output
1492-IFM40F-FS-2 Fusible Isolated with extra terminals for 120V AC/DC outputs
1492-IFM40F-FS24-2 Isolated with extra terminals and 24V AC/DC blown fuse indicators for outputs
1492-IMF40F-FS24-4 Isolated with 24V AC/DC blown fuse indicators and four terminals per output
1492-IFM40F-FS-4 Isolated 240V AC/DC with four terminals per output
1492-IMF40F-FS120-2 Isolated with extra terminals and 120V AC blown fuse indicators
1492-IMF40F-FS120-4 Isolated with 120V AC/DC blown fuse indicators and four terminals per output
1492-IMF40F-FS240-4 Isolated with 240V AC/DC blown fuse indicators and four terminals per output
(1) This IFM is not recommended for use with I/O modules that have an off-state leakage current exceeding 0.5 mA. Use a 1492-IFM20D120N or 1492-IFM20D120A-2 module for inputs. Use a
1492-IFM20D120-2 module for outputs.
(2) The 1492-IFM40F-FS24A-4 module and the 1492-CABLExY cable can be used with the 1756-IB16D module. However, due to the 1492-IFM40F-FS24A-4 module’s blown fuse leakage current rating, the
wire off diagnostic function of the 1756-IB16D module will not indicate a blown or removed fuse as a wire off condition. If you require this diagnostic to function for a blown or removed fuse, you must use
a 1492-IFM40F-F24AD-4 module.
(3) Expandable to 16 by using a XIM120-BR or XIMF-24-2 module.
(4) Can have up to 1 expandable module depending upon master used (total 16 pts or less). Extender cable is provided.
(5) IFMs status indicator provides output On/Off indication. Due to the magnitude of current through the status indicator, the 1756-OB16D module no load diagnostic function will not work. If this function is
required, use the 1492-IFM40F-2 module.
(6) The 1492-IFM40F-FS24-2 and 1492-IFM40F-FS24-4 modules and the 1492-CABLExY cable can be used with the 1756-OB16D module. However, due to the 1492-IFM40F-FS24-2 and
1492-IFM40F-FS24-4 module’s blown fuse leakage current rating, the no load diagnostic function of the 1756-OB16D module will not indicate a blown or removed fuse as a no load condition. If you
require this diagnostic to function for a blown or removed fuse, you must use a 1492-IFM40F-F24D-2 module.
(7) Expandable to 16 by using a XIM24-8R or XIMF-24-2 module.
(8) Do not use this module in Output Sinking mode with fused IFM modules. The IFM module fuses will not properly protect the circuit.
(9) One 1492-XIM24-16RF module is to be used with one 1492-XIM4024-16R or 1492-XIM4024-16RF master (32 pt. only).
Table 65 - IFMs and Prewired Cables (continued)
I/O Cat. No. IFM Cat. No. IFM Type IFM Description Prewired Cable
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