diff --git a/plugins/parsers/phasor_binary/parser.go b/plugins/parsers/phasor_binary/parser.go
index 119ea9eb5..801f240d4 100644
--- a/plugins/parsers/phasor_binary/parser.go
+++ b/plugins/parsers/phasor_binary/parser.go
@@ -36,6 +36,11 @@ const (
 	dataLengthU = 14106
 )
 
+const (
+	ycPrefix = "tm"
+	yxPrefix = "ts"
+)
+
 func (p *Parser) Init() error {
 	p.pointFrequency = 50
 	return nil
@@ -127,7 +132,7 @@ func (p *Parser) checkHeaderAndInitMetrics(data []byte, topic string) ([]telegra
 	return metrics, deviceType, nil
 }
 
-// analog metrics, voltage or current
+// yc metrics
 func (p *Parser) fillAnalogChanMetrics(metrics []telegraf.Metric, data []byte, begin int) {
 
 	for ci := range 8 {
@@ -139,14 +144,14 @@ func (p *Parser) fillAnalogChanMetrics(metrics []telegraf.Metric, data []byte, b
 			pa := math.Float64frombits(binary.LittleEndian.Uint64(data[b+8 : b+16]))
 			rms := math.Float64frombits(binary.LittleEndian.Uint64(data[b+16 : b+24]))
 
-			metrics[mj].AddField("c"+chanNo+"_amp", amp)
-			metrics[mj].AddField("c"+chanNo+"_pa", pa)
-			metrics[mj].AddField("c"+chanNo+"_rms", rms)
+			metrics[mj].AddField(ycPrefix+chanNo+"_amp", amp)
+			metrics[mj].AddField(ycPrefix+chanNo+"_pa", pa)
+			metrics[mj].AddField(ycPrefix+chanNo+"_rms", rms)
 		}
 	}
 }
 
-// switch metrics
+// yx metrics
 func (p *Parser) fillSwitchChanMetrics(metrics []telegraf.Metric, data []byte, begin int) {
 
 	for ci := range 2 {
@@ -155,7 +160,7 @@ func (p *Parser) fillSwitchChanMetrics(metrics []telegraf.Metric, data []byte, b
 			for bk := range 8 {
 				chanNo := strconv.Itoa(ci*8 + bk + 1)
 
-				metrics[mj].AddField("i"+chanNo, uint8((data[b]>>bk)&1))
+				metrics[mj].AddField(yxPrefix+chanNo, uint8((data[b]>>bk)&1))
 			}
 		}
 	}