From 7c3ef340f039b82acffa8a8887cac72e5539f9b1 Mon Sep 17 00:00:00 2001
From: Bdale Garbee <bdale@gag.com>
Date: Fri, 3 Mar 2017 13:02:22 -0700
Subject: [PATCH] switch to 10V default for load cell excitation

---
 telefiretwo.sch | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/telefiretwo.sch b/telefiretwo.sch
index d17648a..e5cb171 100644
--- a/telefiretwo.sch
+++ b/telefiretwo.sch
@@ -1905,7 +1905,7 @@ T 75000 65100 5 10 0 1 0 0 1
 vendor=digikey
 T 75500 71400 5 10 1 1 0 0 1
 refdes=U20
-T 75000 65100 5 10 1 1 0 0 1
+T 75000 65100 5 10 0 1 0 0 1
 value=INA125
 T 75000 65100 5 10 0 1 0 0 1
 footprint=SO16
@@ -2006,7 +2006,7 @@ loadstatus=smt
 T 81500 67900 5 10 1 1 180 0 1
 refdes=R105
 T 81100 67400 5 10 1 1 0 0 1
-value=5.6k
+value=10k
 T 81000 67200 5 10 0 1 0 0 1
 motortest=true
 }
@@ -2025,7 +2025,7 @@ loadstatus=smt
 T 81500 66800 5 10 1 1 180 0 1
 refdes=R104
 T 81100 66300 5 10 1 1 0 0 1
-value=10k
+value=4.7k
 T 81000 66100 5 10 0 1 0 0 1
 motortest=true
 }
@@ -2080,18 +2080,17 @@ motortest=true
 }
 N 71800 66900 71900 66900 4
 N 71900 66500 71800 66500 4
-L 72800 69700 72500 69700 3 0 0 0 -1 -1
-L 72500 69700 72500 68900 3 0 0 0 -1 -1
-L 72600 69700 72700 69700 3 0 0 0 -1 -1
+L 72800 69300 72500 69300 3 0 0 0 -1 -1
+L 72500 69300 72500 68900 3 0 0 0 -1 -1
 L 72500 68900 72800 68900 3 0 0 0 -1 -1
 T 73800 64700 9 10 1 0 0 0 2
 R106 sets gain, see INA125
 data sheet to pick value
-T 81800 66300 9 10 1 0 0 0 2
-5V output going
-to 3.3V ADC input
-T 70900 69200 9 10 1 0 0 0 1
-use 5V by default?
+T 80900 68400 9 10 1 0 0 0 2
+adjust output to
+3.3V ADC input
+T 70800 69100 9 10 1 0 0 0 1
+use 10V by default?
 T 70400 66800 9 10 1 0 0 0 9
 excite +
 
@@ -2489,10 +2488,10 @@ value=5.6k
 T 73400 62100 5 10 0 1 0 0 1
 motortest=true
 }
-T 71400 70000 9 10 1 0 0 0 3
+T 71700 69700 9 10 1 0 0 0 3
 adjust output
 resistor divider
-if not using 5V!
+if changing!
 B 66100 58200 17600 15700 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
 N 69700 59600 71100 59600 4
 N 68600 60500 67900 60500 4
@@ -2502,3 +2501,8 @@ netname=v_ldo_in
 }
 T 66200 58400 9 24 1 0 0 0 1
 Motor Test Stand Section
+T 80300 69600 9 10 1 0 0 0 4
+Vref  R105    R104
+10V   10k      4.7k
+5V     5.6k      10k
+2.5V   0         noload
-- 
2.30.2