Siemens Sinumerik 840DiE sl - Page 59

01/2007
2.3 MCI board extension slot variant
2-59
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
Electrical data of the digital input interface:
S Isolated from the board electronics
S Common ground (MEXT)
Electrical data of the digital output interface:
S Isolated from the board electronics
S Common ground and with regard to the external power supply (M24EXT)
S Rated current: 500 mA
Electrical data of the differential handwheel interface:
S Connected to the board electronics
S Signals used:
– MPGx_A
– MPGx_B
– MPGx_XA
– MPGx_XB
Electrical data of the TTL handwheel interface:
S Connected to the board electronics
S Signals used:
– MPGx_A
– MPGx_B
–M
Notice
The optional power supply of the handwheels (P5) is electronically protected
with 2A. The maximum continuous load is 1 A. Per handwheel 500 mA.
Electrical data of the probe interface:
S Isolated both from one another and from all other voltage areas (board elec-
tronics, digital inputs/outputs and handwheels)
S Signal delay active edge: 10 us
S Signal delay inactive edge: 100 us
Note
The maximum cable length is 25 m for all functions.
Digital inputs
Digital outputs
Differential
handwheels
TTL handwheels
Probe
2 Hardware Descri
p
tions