Torque - Emerson Fisher Multiport Flow Selector Instruction Manual

Multiport Flow Selector
January 2019
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
MPA 150
MPA 650
MPA 800
MPA 1500
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
24
MPFS
2x4 150
3x6 650
4x8 & 4x10 800
6x16 1500
CAPACITY
lb ft Nm 1Ph
203 1.0
881 0.7
1085 0.6
2034 0.3
Instruction Manual
D104239X012
RPM ACCURACY
3Ph DC
1.0 1.0 0.79
1.0 0.5 0.49
0.9 0.5 0.40
0.4 0.3 0.26
Degrees