39
item Controller BL 1-04 /C
― Product manual
Digital incremental encoders
Digital incremental encoders with RS422-compatible A/B/N signals with a line count of up to 16,384 lines can be connected
(e.g. ERN 420). In addition, Hall generator signals with a TTL level for determining the commutation position can also be
connected.
Characteristic
Value
Parameterisable number of encoder lines
1 to 2
18
lines/revolution
Track signals A, B (Z0 track)
In accordance with RS422
Input 0.4 V with a common-mode level of -0.3 to 5 V
Track signal N (index pulse)
In accordance with RS422
Input 0.4 V with a common-mode level of -0.3 to 5 V
Hall generator input
TTL level (<0.5 V = Low, > 2 V = Hi)
2 kW pull-up
Error input (pin 6)
TTL level (<0.5 V = Low, > 2 V = Hi)
2 kW pull-up
Track signal input impedance
Differential input 120 Ω
Limit frequency
10 MHz
Analogue incremental encoders with commutation signals
Analogue incremental encoders with RS422-compatible 1 VSS signals (e.g. ERN 1387) can be connected.
Characteristic
Value
Parameterisable number of encoder lines
1 to 218 lines/revolution
High position resolution of the AB track (Z0)
and commutation track (Z1)
12 bits/period
Track signals A, B (Z0 track)
1.2 VSS differential
Track signal N (index pulse) switching threshold
0.1 VSS differential
Commutation track (Z1 track)
1.2 VSS differential
Error input (pin 6)
TTL level (<0.5 V = Low, > 2 V = Hi) 2 kΩ pull-up
Track signal input impedance
Differential input 120 Ω
Z0 track limit frequency
f
limit
> 300 kHz
Z1 track limit frequency
f
limit
approx. 10 kHz (commutation track)
