260
FORM 160.54-M1
ISSUE DATE: 10/25/2019
SECTION 32 - MOTOR MONITORING
JCI COMPANY CONFIDENTIAL
JOHNSON CONTROLS
MOTOR MONITORING BLOCK DIAGRAM
FIGURE 100 -
MOTOR MONITORING BLOCK DIAGRAM
NOTES
There are two Motor Monitoring Boards that can be used: 031-02893-(with suffix -000 or -001). The board required
depends on the sensing devices used, as indicated above and notes below.
1. When Winding RTD’s are used, they are connected to TB5/6 and the -001 board is required. When Winding Thermis-
tors are used, they can be connected to TB1 (using the -000 or -001 board) or the VSD (see Note 6) and the tempera-
ture values transmitted via existing VSD to Microboard Serial Communications
2. When Bearing RTD’s are used, they are connected to the Motor Monitoring Board TB5 and the -001 board is required.
When Thermistors are used, they are connected to the VSD (see Note 5) and the temperatures are sent via existing
VSD to Microboard Serial Communications.
3. The -001 board is required.
4. Either the -000 or -001 board can be used.
5. Bearing temperatures can either be provided via direct RTD connection to the Motor Monitoring Board (see Note 2) or
Thermistors connected to the VSD and provided via existing VSD to Microboard Serial Communications.
6. When thermistors are used for Winding Temperatures, they can be connected to the Motor Monitoring Board TB1 (see
Note 1) or the VSD and the temperature values transmitted via existing VSD to Microboard Serial Communications.
WINDING TEMPERATURES
(RTD OR THERMISTORS)
BEARING TEMPERATURES
(RTD)
BEARING VIBRATIONS
(ACCELEROMETERS)
MOTOR COOLING COIL
LEAK DETECTOR
(OPTICAL OR FLOAT SWITCH)
MOTOR
MONITORING
BOARD
031-02893-(NOTES)
(NOTE 1)
TB5
TB3
TB7/8
(NOTE 2)
(NOTE 3)
(NOTE 4)
TB4
4
5
MODBUS
SERIAL COMMS
J12
2
3
MICROBOARD
031-02430-000
031-02430-001
COM3
RS-485
COM2
RS-485
J13 8
10
MODBUS
SERIAL
COMMS
VSD
LOGIC
BOARD
(NOTE 5)
(NOTE 6)
BEARING TEMPERATURES
(THERMISTORS)
WINDING TEMPERATURES
(THERMISTORS)
LD15000