Number of pins on the board
Digital inputs
Digital outputs
Analog inputs
PoKeys57U
55
55
55
7x 12-bit
PoKeys57E
55
55
55
7x 12-bit
PoKeys57CNC
see pinout diagram
see pinout diagram
see pinout diagram
5x 12-bit
Number of encoders (normal)
Number of fast encoders
Number of ultra fast encoders
Number of PWM outputs
Number of digital counters
Pulse capture inputs
LCD support
up to 25
3
1
6 (25 MHz clock)
24
3
Alphanumeric up to 4x20
up to 25
3
1
6 (25 MHz clock)
24
3
Alphanumeric up to
4x20
up to 14
3
1
4 (25 MHz clock)
22
3
Alphanumeric up to
4x20
Matrix keyboard support
Matrix LED
Keyboard emulation
Joystick emulation
Up to 16x8
Two 8x8
Yes
Yes
Up to 16x8
Two 8x8
No
No
Up to 16x8
No
Yes
Yes
Pulse engine v2 (step/dir
motion controller)
Yes (3 axes integrated)
Yes (3 axes
integrated)
Yes (dedicated
connections for 8
axes)
USB
Ethernet (IPv4 +
DHCP)
Yes
Yes
Yes
Yes (up to 100
sensors)
up to 10 devices
up to 16 devices
external 5V power
supply
Ethernet (IPv4 +
DHCP) and USB
Yes
Yes
Yes
Yes (up to 100
sensors)
up to 10 devices
up to 16 devices
USB for testing,
external 6-26V
power supply for full
functionality
Connectivity
Modbus TCP support
I2C sensors
1-wire sensors
EasySensors
No
Yes
Yes
Yes (up to 100 sensors)
PoExtBus support
PoNET bus support
Power supply
up to 10 devices
up to 16 devices
powered from USB
Number of devices per
computer
Automatic device discovery
practically unlimited
practically unlimited
practically unlimited
Yes
Yes (in local
network)
Yes
Yes
Yes
Yes (in local
network)
Yes
Yes
Yes
Free configuration application
Free firmware upgrades
Communication DLL support
Yes
Yes
Yes