NextMove ESB-2 comparison with NextMove ESB and NextMove BX-II
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NextMove
BX-II |
Physical Format |
Panel Mount |
Panel Mount |
Panel Mount |
Number of Axes |
7 |
7 |
2,3,4 |
Servo Axes |
3 or 4 |
3 |
2, 3, 4 |
Stepper Axes |
4 |
4 |
0 |
Processor Speed |
120 MHz |
120 MHz |
32 MHz |
FLASH Memory |
2 MByte |
2 MByte |
512 KByte |
RAM |
2 MByte |
2 MByte |
512 KByte |
Battery Backup |
No |
No |
Yes |
Non-volatile memory |
32 kBytes FRAM |
32 kBytes FRAM |
Battery backed RAM |
RS232 Ports |
1 |
1 |
1 |
RS485 Ports |
optional |
optional |
1 |
USB Ports |
1 |
1 |
0 |
CAN Ports |
1 |
1 |
2 |
PCI Interface |
No |
No |
No |
Digital Inputs |
20 |
20 |
16 |
Opto-isolated |
PNP/NPN |
PNP/NPN |
PNP/NPN |
High Speed Position Inputs |
4 (1) |
4 (1) |
4 (2) |
Digital Outputs |
12 |
11 |
11 |
Opto-isolated |
PNP |
PNP |
PNP |
High Speed Position Compare Outputs |
4 (3) |
4 (3) |
0 |
Analog Outputs |
4 |
4 |
4 |
Analog Inputs |
2 |
2 |
8 |
Relay Outputs |
1 |
1 |
1 |
Master Encoder Inputs |
1 or 2 (4) |
0 |
1 |
RoHS Compliant |
Yes |
No |
No |
(1) Shared with the digital inputs. First 4 inputs can be used for position latching to within 1µs
(2) 1 fast latch to within 1µs. 3 to within 1ms
(3) Uses first 4 digital outputs for fast position compare
(4) 2 available with 3-axis servo unit. 1 available with 4-axis servo unit
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