Flowserve Limitorque MX-40 - Mounting of Standard and Optional Controls with 54-Point Terminal Block and Four LED Configuration; Installation

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Limitorque MX Maintenance and Spare Parts FCD LMENIM2314-00 – 07/08
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5.5 Mounting of Standard and Optional Controls
with 54-point terminal block and four LED
configuration
5.5.1 Installation
NOTES: RESTRICTIONS ON OPTION BOARD COMBINATIONS: Only one of the following can be on any
unit: Modbus - DDC, Profibus PA, Profibus DP, FOUNDATION Fieldbus, DeviceNet.
A shield must be installed on the last board fitting between the last option board and the power board.
See Figure 5.10 for illustration.
A maximum of four option boards can be used per unit, barring other restrictions. A four option board
stack requires four (4) M4x70 pan head screws.
A maximum of three option boards can be used with SSMR due to size constraints. A three option
board stack requires (4) M4x55 pan head screws.
A maximum of two option boards can be used with the 19 amp contactor, due to size constraints. A two
option board stack requires (4) M4x40 pan head screws.
A single option board stack requires four (4) M4x25 pan head screws.
STEP 1 – STANDARD 2A, (4) “OS” CONTACTS (LCS/MAIN BOARD)
Connect to the control cover using (4) M4x8 pan head screws.
From the terminal block, connect 12-pin plug (Cable J1) to socket J5 on the main board.
STEP 2 – OPTION “OA”, 4-5A “R” CONTACTS AND (1) 5A MR (MONITOR RELAY); DIGITAL OUTPUT
BOARD CONNECTION
Connect to the control cover using four (4) M4x25 pan head screws.
Ensure that jumper on the DO board is located in the 1-2 position. Connect 12-to-22 pin adapter to
Cable J1 (12-pin plug). Connect to the 22-pin socket J3 on DigOut board
NOTES: This will disable the digital relays on the main board. A keycode must be entered to restore
them. Please contact factory at 434-528-4400 for the keycode.
A shield is required to be installed between the digital output board and any adjacent boards.
STEP 3 - OPTION “OB”, 4-5A “R” CONTACTS AND (1) 2A MR (MONITOR RELAY); DIGITAL OUTPUT
BOARD CONNECTION AND 2 – 2A “S” CONTACTS
Connect to the control cover using four (4) M4x25 pan head screws.
Ensure that the jumper is located in the 3-4 position. Connect Cable J1 (12-pin) to socket J5 (12-pin) on
the main board. Connect cable J5 (22-pin) to socket J3 on DigOut board.
STEP 4 - OPTION “OC”, 8-5A “R” CONTACTS AND (1) 5A MR (MONITOR RELAY); 2 DIGITAL OUTPUT
BOARDS CONNECTION
Connect to the control cover using four (4) M4x40 pan head screws.
Ensure that the jumper on DigOut board 1 is in the 1-2 position and the jumper on DigOut board 2 is
in the 3-4 position. Connect the 12-22 pin adapter to Cable J1 (12-pin), then connect it to socket J3
(22-pin) of board 1. Connect cable J5 to socket J3 of board 2.
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