The 1336F-MCB-SP1F is a 1336 Plus II Main Control Board (MCB) that is a replacement unit of an existing, pre-installed assembly that comes with a fully functional 1336 Plus II Adjustable Frequency AC Drive by Allen-Bradley. The 1336F-MCB-SP1F being the main control board, this board hosts a variety of primary interfaces including the Control and Signal Wiring terminal block (TB2) where external I/O signals are terminated; RIO option board; Drive mounted snap-in Human Interface Module (HIM), Internal communications module or Flash interface board; Internal communication adapter. It also hosts the mounting location of the control interface board option card (TB3) and jumper connections points for other PCB cards. The 1336F-MCB-SP1F is designed for use with the 1336 Plus II drive with a frame size of B-G and Horsepower ratings of 7.5 HP, 10 HP, 15 HP, 20 HP, 25 HP, 30 HP for Frame B; X40HP, 40 HP, 50 HP, X 60 HP for Frame C; 60 HP; 75 HP;100 HP; 125 HP; X150 HP for Frame D; 150 HP, 200 HP, 250 HP for Frame E; 250 HP, 300 HP, 350 HP, 400 HP, 450 HP for Frame F and X250 HP, 300 HP, 350 HP, 400 HP, 450 HP, 500 HP for Frame G. When replacing the existing 1336F-MCB-SP1F, it is necessary to completely remove supply power to the drive. Also, allow the drive capacitors to entirely discharge prior to hardware modification. Confirm capacitor charge by measuring with the use of a multimeter. Only when the capacitor has been fully discharging shall the board replacement be initiated.

The 1336F-MCB-SP1F PCB Main Control Board by Allen-Bradley is the main control board for the Allen-Bradley 1336 Plus II Frame B to G drives, which houses the control interface boards and other RIO boards. The main control board coordinates all the functions of the drive, and it has various ports for connection to peripheral devices (for example an HIM is connected to the drive-through Port 1 on the main control board) and a drive nameplate is located on the face of the main control board. The 1336F-MCB-SP1F main control board connects to the control interface board using the J2 and J4 jumper connectors located on the lower side of the board and also on the bottom of the main control board is the terminal block (TB2) with 22 positions and with 0.3 mm2 (14 and 22 AWG) wire size. The 1336F-MCB-SP1F is installed by placing the board on the mounting plate and by tightening the 11 screws holding the main control board to the mounting plate with a 26in-lb (3N-m) rating. Various wires from the terminal block (TB2) are connected and ground wires, an 8-pin connector from HIM Mounting Plate, and the J1, J2, J6, and J8 jumper connectors are connected to the main control. Also, wires from the TB3 terminal block are connected and the board has LED indicators that show the status of various connected boards. The HIM cradle is installed on the board with 4 tightening screws, with the control interface board also installed on the main control board, and the communication connector on the J3 connector is also attached.

1. What is the specific drive series that the 1336F-MCB-SP1F is compatible with?

The 1336F-MCB-SP1F is used with 1336 Plus II drives.

2. What are the drive frame sizes applicable to the 1336F-MCB-SP1F?

The 1336F-MCB-SP1F is used with drives having B-G frame.

3. It is safe to replace the existing 1336F-MCB-SP1F with the VFD powered?

No. Replacement of the 1336F-MCB-SP1F shall only start with the power removed from the entire drive.