From 6b68e22e05d5454b95ec93e7e80949deb6c9d6bf Mon Sep 17 00:00:00 2001
From: zhangqian <zhangqian@123.com>
Date: 星期四, 26 十月 2023 16:32:31 +0800
Subject: [PATCH] plc4x读写长度减半
---
service/plc.go | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/service/plc.go b/service/plc.go
index 01b95a5..1a674b2 100644
--- a/service/plc.go
+++ b/service/plc.go
@@ -120,7 +120,11 @@
func ReadHoldingRegister(ipAddr string, address, length int) ([]byte, error) {
if conf.Conf.PLC.Package == constvar.PlcPackageApache {
- return apacheplc4x.ReadHoldingRegister(ipAddr, address, length)
+ newLength := length / 2
+ if newLength == 0 {
+ newLength = 1
+ }
+ return apacheplc4x.ReadHoldingRegister(ipAddr, address, newLength)
} else if conf.Conf.PLC.Package == constvar.PlcPackageApacheLongConnection {
conn, err := plc.GetModbusConnection(ipAddr)
if err != nil {
--
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