Index: trunk/src_plugins/export_openems/openems_xml.c
===================================================================
--- trunk/src_plugins/export_openems/openems_xml.c	(revision 32045)
+++ trunk/src_plugins/export_openems/openems_xml.c	(revision 32046)
@@ -41,7 +41,7 @@
 {
 	rnd_layergrp_id_t from, to;
 
-	if (pcb_layergrp_list(ctx->pcb, PCB_LYT_TOP|PCB_LYT_COPPER, &from, 1) != 1) {
+	if (pcb_layergrp_list(ctx->pcb, PCB_LYT_BOTTOM|PCB_LYT_COPPER, &from, 1) != 1) {
 		ctx->elevation = 0;
 		rnd_message(RND_MSG_ERROR, "Missing bottom copper layer group - can not simulate\n");
 		return -1;
@@ -230,8 +230,8 @@
 	rnd_fprintf(ctx->f, "      <LumpedElement Name='port_resist_%d' Direction='2' Caps='1' R='%f'>\n", ctx->port_id, resistance);
 	rnd_fprintf(ctx->f, "        <Primitives>\n");
 	rnd_fprintf(ctx->f, "          <Box Priority='%d'>\n", PRIO_PORT);
-	rnd_fprintf(ctx->f, "            <P1 X='%mm' Y='%mm' Z='%mm'/>\n", x, -y, e2);
-	rnd_fprintf(ctx->f, "            <P2 X='%mm' Y='%mm' Z='%mm'/>\n", x, -y, e1);
+	rnd_fprintf(ctx->f, "            <P1 X='%mm' Y='%mm' Z='%mm'/>\n", x, -y, e1);
+	rnd_fprintf(ctx->f, "            <P2 X='%mm' Y='%mm' Z='%mm'/>\n", x, -y, e2);
 	rnd_fprintf(ctx->f, "          </Box>\n");
 	rnd_fprintf(ctx->f, "        </Primitives>\n");
 	rnd_fprintf(ctx->f, "      </LumpedElement>\n");
@@ -239,8 +239,8 @@
 	rnd_fprintf(ctx->f, "      <ProbeBox Name='port_ut%d' Type='0' Weight='1'>\n", ctx->port_id);
 	rnd_fprintf(ctx->f, "        <Primitives>\n");
 	rnd_fprintf(ctx->f, "          <Box Priority='999'>\n");
-	rnd_fprintf(ctx->f, "            <P1 X='%mm' Y='%mm' Z='%mm'/>\n", x, -y, e2);
-	rnd_fprintf(ctx->f, "            <P2 X='%mm' Y='%mm' Z='%mm'/>\n", x, -y, e1);
+	rnd_fprintf(ctx->f, "            <P1 X='%mm' Y='%mm' Z='%mm'/>\n", x, -y, e1);
+	rnd_fprintf(ctx->f, "            <P2 X='%mm' Y='%mm' Z='%mm'/>\n", x, -y, e2);
 	rnd_fprintf(ctx->f, "          </Box>\n");
 	rnd_fprintf(ctx->f, "        </Primitives>\n");
 	rnd_fprintf(ctx->f, "      </ProbeBox>\n");
@@ -259,8 +259,8 @@
 		rnd_fprintf(ctx->f, "      <Excitation Name='port_excite_1' Type='0' Excite='0,0,-1'>\n");
 		rnd_fprintf(ctx->f, "        <Primitives>\n");
 		rnd_fprintf(ctx->f, "          <Box Priority='999'>\n");
-		rnd_fprintf(ctx->f, "            <P1 X='%mm' Y='%mm' Z='%mm'/>\n", x, -y, e2);
-		rnd_fprintf(ctx->f, "            <P2 X='%mm' Y='%mm' Z='%mm'/>\n", x, -y, e1);
+		rnd_fprintf(ctx->f, "            <P1 X='%mm' Y='%mm' Z='%mm'/>\n", x, -y, e1);
+		rnd_fprintf(ctx->f, "            <P2 X='%mm' Y='%mm' Z='%mm'/>\n", x, -y, e2);
 		rnd_fprintf(ctx->f, "          </Box>\n");
 		rnd_fprintf(ctx->f, "        </Primitives>\n");
 		rnd_fprintf(ctx->f, "      </Excitation>\n");