HEIDENHAIN ND 281 B v.2 - Manual (Page 39)

39
Switching Inputs and Outputs EXT (X41)
Inputs
Input signals
Internal pull-up resistor 1 k W, active with low level
Trigger by making contact against 0 V or
by low-level signal over TTL logic device
Delay for set/zero reset: t
d
£ 2 ms
Minimum pulse duration for all signals: t
min
³ 30 ms
Signal level of inputs
Status Level
High + 3.9 V £ U £ + 15 V
Low – 0.5 V £ U £ + 0.9 V; I £ 6 mA
B UCE
E
C
Pin 1.10 0 V
+ UB ≤ 32 V
I ≤ 100 mA
t
min
³ÿ30 ms
0V
E
0V
E
t
min
Outputs
Output signals
"Open collector" outputs, active with low level
Delay until signal output: t
d
£ 30 ms
Signal duration of zero signal, trigger limit A1, A2: t
0
³ 180 ms
Signal level of outputs
Status Level
High U £ + 32 V; I £ 10 µA
Low U £ + 0.4 V; I £ 100 mA