Owner's manual

39
2.5. Channel Assignment
2 bytes must be planned per valve segment / electronic module. These are allocated to the channels as shown
here:
Byte High-Byte Low-Byte
Bit 7 ... 0 7 6 5 4 3 2 1 0
Channel number with
4-channel modules
X X X X X X X 3 2 1 0
Channel number with
8-channel modules
X X X 7 6 5 4 3 2 1 0
The channel status LEDs on the electronic module are assigned to the channel / valve numbers.
0 2 4 6
1 3 5 7
Service port assignment
(8-channel module)
Valves
Valves
0 . . . 3
1 . . . 7
0 . . . 6
Valves
Valves
(4-channel module)
(8-channel module)
Fig. 11: Valve assignment
2.6. Diagnosis (Electronic Module)
Group fault display: Yes, locally at the electronic module (red LED)
Diagnostic functions (can be read out using Profibus):
• Channel status diagnosis (channel open, channel short circuited)
• Individual switching cycle counter for each channel with warning limits for pilot valve and connected actuator
2.7. Accessory
Valve segment - Accessory Ident no.
Plug to block P-channel
(to build up several pressure levels or medium groups in an AirLINE Ex system type 8650)
655 068
Type 8650
english
Configuration and Function of the
Modules