From 72721bf221e6f90fb830bf28133c7588e30e1d30 Mon Sep 17 00:00:00 2001
From: zhangqian <zhangqian@123.com>
Date: 星期四, 26 十月 2023 17:41:19 +0800
Subject: [PATCH] fix
---
service/plc.go | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/service/plc.go b/service/plc.go
index 1a674b2..183cb00 100644
--- a/service/plc.go
+++ b/service/plc.go
@@ -130,7 +130,11 @@
if err != nil {
return nil, err
}
- return plc.ReadHoldingRegister(conn, address, length)
+ newLength := length / 2
+ if newLength == 0 {
+ newLength = 1
+ }
+ return plc.ReadHoldingRegister(conn, address, newLength)
} else {
return modbusx.Read(ipAddr, uint16(address), uint16(length))
}
--
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