Instruction Manual
D104239X012
Multiport Flow Selector
January 2019
24
5. High performance microcontroller updates motor control output every 4mS for precision motor control
6. 12-bit magnetic encoder coupled directly to torque pinion for torque feedback
a. Provides torque measurement resolution of 0.146% of full torque
7. MPA supports all network protocols available with all other Bettis actuators
D ModbusRS485 Bus or E>Net ring available
D Profibus Redundancy with Redcom
D Foundation Fieldbus
D DeviceNet
D Ethernet Modbus TCP/IP
8. I/O and alarm monitoring include:
D Integral circuit breaker/disconnect
D Motor overload and motor thermal
D Loss of control voltage
D Encoder failure
D Stall detection and alarming (detects mechanical faults)
D 3-Phase monitoring and phase correction to insure correct motor rotation
D ESD to send selector to home port (also goes to home port on fault)
D Monitor relay for hardwired relay contact status on fault
9. Four models support five 8-port MPFS (Also see motor type on page 33)
Table 1.
MODEL MPFS
CAPACITY RPM ACCURACY
lb ft Nm 1Ph 3Ph DC Degrees
MPA 150 2x4 150 203 1.0 1.0 1.0 0.79
MPA 650 3x6 650 881 0.7 1.0 0.5 0.49
MPA 800 4x8 & 4x10 800 1085 0.6 0.9 0.5 0.40
MPA 1500 6x16 1500 2034 0.3 0.4 0.3 0.26
Note: Accuracy based on worse case tests at 38% of maximum torque.
10. MPA includes local display module (LDM) standard
D Uses rugged, high visibility LED display for port number, torque, and alarms (also displays setup menus and setup
parameters)
D Multiple color LEDs display
a. Port position within 1° of port
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