HEIDENHAIN PWM 20 - Manual (Page 27)

PWM 20 Operating Instructions en
29
8 Specifications
Electrical data
Power supply
100 V AC to 240 V AC (±10 %),
50 Hz to 60 Hz (±2 Hz)
Approx. 20 W
24 V DC (±10 %),
approx. 20 W
Measurement
of supply vol-
tage and supp-
ly current Voltage: ± 0.5 % (min. ±5 mV)
Current: ± 2 % (min. ±1 mA)
Encoder input X1
15-pin D-sub connection, female
Support depends on the software version of the ATS soft-
ware
Adjustable from 2 V to 30 V with/without remote sense
control
Current limitation 750 mA
Information about the cable lengths:
The specified cable length applies when
HEIDENHAIN cables are used. The supply
voltage range of the encoder must be
maintained.
EnDat 2.1/
EnDat 2.2
1
Cable length: Functional limit < 100 m,
depending on the clock frequency
Compliance with test limits < 2 m
(only incremental signals)
Input frequency of incremental signals 3 :
< 1000 kHz
1 V
PP
1
Cable length: Functional limit < 150 m
Compliance with test limits < 2 m
Input frequency of incremental signals 2 :
< 1000 kHz
TTL
Cable length: Functional limit
< 100 m/50 m, depending on min. edge
separation
Compliance with test limits < 2 m
Input frequency of incremental signals :
< 1000 kHz
Edge separation > 20 ns
HTL 4
Cable length: Functional limit < 300 m,
depending on min. edge separation
Compliance with test limits < 2 m
Input frequency of incremental signals :
< 500 kHz
Edge separation > 20 ns
Encoder input X1
11 µA
PP
1
Cable length: Functional limit < 30 m
Compliance with test limits < 2 m
Input frequency of incremental signals 2 :
< 300 kHz
Fanuc,
Mitsubishi,
Yaskawa
Panasonic
Cable length: Functional limit < 30 m
SSI
Cable length: Functional limit < 100 m
1 Incremental signals are displayed in inverted form
2 Cutoff frequency, reduced by the ATS software to 100 kHz for
certain measuring functions
3 If supported by the connected encoder
4 HTL only for service purposes via external adapter,
e.g. ID 1093210-01
Encoder output X2
15-pin D-sub connection, male
Feed-through
mode of X1 Directly or via SA xxx signal adapter, de-
pending on the ATS version
EnDat 2.1/EnDat 2.2
Fanuc/Mitsubishi
1 V
PP
TTL
11 µA
PP
External functions X3
6-pin Mini-DIN-connection, female
MSB output For EnDat 2.1/2.2
Encoder input X4
8+2-pin RJ-45 connection, female
DRIVE-CLiQ 1 Only for HEIDENHAIN encoders
1 DRIVE-CLiQ is a registered trademark of Siemens
Aktiengesellschaft, only HEIDENHAIN encoders are supported
Data interface X5
USB USB 2.0 high speed 1
1 Lower USB transfer rates can result in measuring errors.