Manual

Technical Reference
Data Communication Error Codes
When you query “ERR?” using the correct protocol, a Series 1500 linked to a computer will respond with
these 3-digit data communications error codes. The code will appear on your computer screen. A
definition listing for each code is in the right-hand columns below.
1 Parity error
2
Framing
error
3
Over run error
10
Talking while should be listening
11
Transmit buffer overflow
12 Receive buffer overflow
50
51
No command word match
Invalid character or too few command
parameters; not recognizable
90 LOC value out of limit
100 Step # or step type entered was out of limit
101
Ch-1 Set Point for any step was out of limit
102
Ch-2 Set Point for any step was out of limit
103
Ch-1 Event Output for any step is out of limit
104 Ch-2 Event Output for any step is out of limit
105
HR for any step was out of limit
106
MN for any step was out of limit
107
SC for any step was out of limit
108
JS for any step was out of limit
109
JC for any step was out of limit
110
Real time hours are out of limit
111 Real time minutes are out of limit
112
Real time seconds are out of limit
113
Ch-1 Upper Limit is out of limit
114
Ch-1 Lower Limit is out of limit
115
Ch-2 Upper Limit is out of limit
116 Ch-2 Lower Limit is out of limit
117
Proportional Band for Ch-1 is out of limit
118 Reset for Ch-1 is out of limit
119 Rate for Ch-1 is out of limit
120
Cycle time for Ch-1 is out of limit
121 Dead Band for Ch-1 is out of limit
122 Proportional Band for Ch-2 is out of limit
123 Reset for Ch-2 is out of limit
124
Rate for Ch-2 is out of limit
125
Cycle time for Ch-2 is out of limit
126
Dead Band for C h-2 is out of limit
127
Run/Halt command is out of limit
126
Alarm clear command is out of limit
129
Step ## being forced to is out of limit
130
Recycle command is out of limit
131 Rate Band for Ch-1 is out of limit
132 Rate Band for Ch-2 is out of limit
133 Calibration adjustable for Ch-1 is out of limit
134
Calibration adjustable for Ch-2 is out of limit
135
Lower deviation for Ch-1 is out of limit
136 Upper deviation for Ch-1 is out of limit
137 Lower process for Ch-1 is out of limit
138
Upper process for Ch-1 is out of limit
139
Lower deviation for Ch-2 is out of limit
140 Upper deviation for Ch-2 is out of limit
141 Lower process for Ch-2 is out of limit
142 Upper process for Ch-2 is out of limit
Data Comm Error, Chapter 4
WATLOW Series 1 500 Users Manual
73