Index: firmware/App/Controllers/Valves.c
===================================================================
diff -u -red1a04a2c13f2d9ab200064f7290aaf8bd8d5fb8 -r4bcf145b225c7d307f710214970edd9ba43ab706
--- firmware/App/Controllers/Valves.c	(.../Valves.c)	(revision ed1a04a2c13f2d9ab200064f7290aaf8bd8d5fb8)
+++ firmware/App/Controllers/Valves.c	(.../Valves.c)	(revision 4bcf145b225c7d307f710214970edd9ba43ab706)
@@ -35,7 +35,7 @@
 #define ENERGIZED                                       1                                                           ///< 1 for energized valve.
 #define ALL_VALVES_DEENERGIZED                          0x0000                                                      ///< 0 in U16 bit field for all valves.
 
-#define VALVE_PWM_PERIOD                                50                                                          ///< Valve PWM Period in 0.1 us res ( 20kHz )
+#define VALVE_PWM_PERIOD                                500                                                          ///< Valve PWM Period in 0.1 us res ( 20kHz )
 #define VALVE_PWM_LOW                                   ( VALVE_PWM_PERIOD * 0.2 )                                  ///< Valve low PWM percentage
 #define VALVE_PWM_PULL_IN                               100                                                         ///< Valve 'strike' period at 100% PWM in ms
 
@@ -126,7 +126,7 @@
 
     // TODO set FPGA PWM after finalizing the decision on valve strike and hold behavior
     // initially set valve PWM configuration and enable
-//    setFPGAPWMConfigurations();
+    //setFPGAPWMConfigurations();
 
     // initially set all valves to de-energized state via FPGA
     setFPGADDValveStates( commandedValvesStates );
@@ -175,7 +175,7 @@
         valveSPBits |= 0x01 << ( i - FIRST_SP_VALVE );
     }
 
-    for ( i = FIRST_IO_VALVE; i <= LAST_IO_VALVE; i++ )
+    for ( i = M12_VALV; i <= LAST_IO_VALVE; i++ )
     {
         valveIOBits |= 0x01 << ( i - FIRST_IO_VALVE );
     }