19" (2U & 4U) shelf unit products          

2U shelf fitted with four 24 channels relay cards (96 relays per shelf).  USBDO96 & Adapter can also be mounted with these 4 cards (not shown in this image)

4U shelf fitted with eight 24 channels relay cards + 2 x USBDO96 & adapter cards (192 relays per shelf)

Standard 19" shelf units available in either 2U or 4U options.  2U shelf can accommodate upto four relay cards from our 24 channel relay card range.  4U shelf can accommodate upto eight 24 channel relay cards.  Supplied as a built and tested assembly.

• Standard 19" shelf unit, (2U or 4U height).

• Supplied as an assembled and tested assembly

• Assembled and tested shelf includes a DIO96 adapter card and ribbon cables for connection to each of up to four relay cards from our 24 channel relay card range.   (Note: Relay cards , DIO96 Adapter & USBDO96 card are not included with the shelf unit - these items need to be ordered separately). 

• Provides access to all relay contacts and power connections via 2 part (male/female) screw terminal connectors.

• Can be used in conjunction with our low cost USBDO96 card to control up to 96 relays.

• Internal jumper links for individual selection of channel I/O status.

• Onboard LED status indicators for each channel.

• Requires external DC power supply (also available).  Requires 750mA max per relay card (if all relays are switched on).  PSU connects via rear panel sockets on each card or via screw terminal connection.

• Available with front panel if required.

• Standard 19" shelf unit, (2U or 4U height).

• Anodised aluminium finish.

• Screw stud welded to rear of panel for earth connection purposes.

• Mounting holes for handles at 64mm pitch centres.   (Holes can be filled with dummy screws if handles not required).