2 Assembly and installation
BU 0600 en-2319 37
Terminal Signal Pin no. Number
of poles
SK 500P SK 510P SK 530P SK 550P
X10 Analogue inputs
10V 11
5 X X X X
AI1 14
AI2 16
AO 17
X11 Digital inputs
8 X X X X
DI2 22
DI3 23
DI4 24
GND 40
5V 41
X12 Auxiliary inputs
5 – – X X
DO2 35
24V 43
GND 40
X13 TTL incremental encoder
6 – – X X
GND 40
A+ 51
B- 54
X14
RJ12 diagnostic
connection
– – 6 X X X X
X15 CAN
SHD 90
4 X X X X
GND 40
CAN+ 75
X16 USB – – 4 – – X X
X17 Industrial Ethernet – – 2 x 8 – – – X
X19 STO, single channel - X - -
S2 CANopen termination DIP switch 1 X X X X
S3 RS485 termination DIP switch 1 X X X X