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+====== GCA168 Böhler WA2 interface ======
+[[english|{{  rocrail-logo-35.png}}]]
+[[english|Content]] -> [[hardware-en|Hardware]] -> [[hardware-en#interfaces|GCA]]
+  *  [[mgv-overview-en|The GCA modules]]
+ \\
+^^^^By Peter Giling ^^^^
+\\
+===== Features =====
+- up to 4 WA2 drives can be connected.\\
+- green/led signal for each drive indicates position.\\
+- separate feed-back for each drive.\\
+- polarity relay for turnout frog\\
+- Automatic fuse protection for turnout frog\\
+- supply 8 - 12 V ac/dc
+===== Description =====
+This interface is specially ment to be used with the nice Bohler WA2 turnout drive.\\
+It provides an extra relay for high current switching of the polarity of the turnout frog..\\
+Also a feed-back is generated, back to either GCA50 or CAN-GC2.\\
+In case of wrong polarity of the frog, depending on how the drive is mounted, a fuse is on board to take care that everything will survive even with high current DCC power boosters.\\
+Polarity is to be corrected by swapping the two booster lines on appropriate connectors HS1..4.\\
+The fuse is self resetting and an indication led will show that the fuse is activated.\\
+Also extra connection of a light in the turnout lantern is available.\\
+The internal switch of WA2 is used to activate Frog relay.
+\\
+===== Prototype =====
+{{:mgv:hardware:gca168_pict01.jpg?600}}
+\\
+===== Hardware files =====
+|{{:mgv:hardware:gca168_V1-1_sch.pdf|The schematics}}  |
+|{{:mgv:hardware:gca168_pcb.pdf|The PCB and parts positions}}  |
+|{{:mgv:hardware:gca168_parts.pdf|The partslist}}  |
+^N.B. Self made pc-boards are not supported! ^
+\\
+===== Cable to MGV50 / CAN-GC2 =====
+refer to:
+[[PSK-Interface connections-en|**Connection interfaces**]]