M
M
F
F
W
W
-
-
Z
Z
D
D
-
-
B
B
A
A
-
-
U
U
K
K
-
-
0
0
0
0
6
6
P
P
a
a
g
g
e
e
1
1
0
0
o
o
f
f
2
2
4
4
A system from the MFW product family
2
SDP interface
4
CAN bus interfaces (for connecting the expansion
modules)
6
Indicator light “Operating condition”
Permanent light - No error
Off
- no supply voltage or module defect
flashing -
Error
(
section)
Figure 2: Basic module with digital inputs or outputs
7 Status
LEDs
<=>
“External module” LED flashes if an expansion module is connected.
<~>
LED “2 wire” – Signalling of transmitted and received telegrams on the 2 wires
8
LED matrix for status indicator of the substation (only on the master module)
LED off
- Station is not configured on the master
(
“Configuration via DIP switch”
section)
Flashing light - optical signal indicating data exchange with the substation
Permanent light - Station malfunctioning or not accessible
9
Status indicator of “digital inputs or outputs”
Operating mode
Input status
acknowledged by the
master
Led
1 Permanent
light
Static binary input or
output
0 Off
Pulse
On (for the pulse duration)
Pulse input or output
Pause
no influence
Off
0 yes
Off
1
no
Flashing (900 ms on and 100 ms off)
1 yes
Permanent
light
Binary input saved
statically
0
no
Flashing (900 ms off and 100 ms on)
Table 1: Status indicator of the inputs and outputs of the basic module via red status LEDs
