RMG EC 900 Operating Instructions Manual page 32

SAFETY INSTRUCTIONS
..........................................................................................................................................................................................................
Electrical data
Note: The following data is only valid for the operation of the EC900 in Ex zone 2. The values valid
for operation in Ex zone 1 can be found in the approval from page 133 to page 136.
Power supply ............................................... U = 100...240 V/AC, 50...60 Hz, approx. 7 W or
24
Terminal X4
Terminal – L, + N, PE
Data circuit 1 ............................................... RS232 / RS422
D-Sub connector right at the case
Data circuit 2 ............................................... Analogue modem, ISDN modem, Ethernet
Terminal X40
6-pin
Digital outputs ............................................. U
Terminal X19
O1+, O1-
Terminal X20
O2+, O2-
Terminal X21
O3+, O3-
Terminal X22
O4+, O4-
Energy limited signal circuits
Volume pulse input
Reed/Namur/Wiegand ................................ Energy limited
Terminal X2
M+, M-
Terminal X3
V+, V-
..........................................................................................................................................................................................................
U = 9 .... 28 V/DC, approx. 7 W
= 28 V
max
I = 50 mA
max
P = 80 mW
max
U 2 V
ce
Maximum values per circuit
U = 10.6 V
o
I = 12.5 mA
o
Characteristic line: linear
C and L are negligible
i i