MSA SUPREMATouch MCP 20, Operating Manual, Page: 135 / 241

135
Installation
GB
SUPREMATouch
FREE-A-/B settings
* For SIL 3 operation, the de-activation function is set to 72 h.
CAN-A/B settings
Configuration MCP20 Module
The MCP20 module is shipped factory-configured. No provisions are made for changing the
configuration.
Within the scope of the installation and start-up of the system or of the replacement of the
MCP20 module, however, the switch setting (S700 set to all OFF) illustrated in Figure 73,
MCP20 module, standard configuration, must be checked and corrected if necessary.
The module MCP-20 is furnished with a boot loader for installing new firmware.
NOTICE
The normal function of the module is deactivated in the boot loader mode. This mode should
therefore be used only by the MSA service personnel!
Switch S3 Function
1 2 3 4
OFF OFF ON ON Function by switch FREE-A/B by switch on the MIB module (Standard)
X X OFF OFF Function by switch FREE-A/B 1+2 on the MGO module
Relay behaviour
Behaviour at CAN failure
Turn-on behaviour
OFF OFF OFF OFF Activated after 72 h Activated
OFF* ON* OFF* OFF* De-activated after 72 h* De-activated*
ON OFF OFF OFF Last state is kept Activated
ON ON OFF OFF Last state is kept De-activated
Switch S4 Function
1 2 3 4
ON ON OFF OFF Control of the MGO module by CAN-A bus
OFF OFF ON ON Control of the MGO module by CAN-B bus
Switch S700
1 2 3 4
OFF OFF OFF OFF Factory setting / Do not change
ON X X X Boot loader active
X X X X Reserved