
Table 3-1  Hardware Definition Code - Input/Output Type Selection
Value  | 0  | 1  | 2  | 3  | 4  | 5  | 7  | 8  | 
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Input  | 
  | RTD/  | Thermo-  | Linear  | Linear  | 
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  | Linear  | couple  | DC mA  | DC V  | 
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  | DC mV  | 
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Output  | 
  | Relay  | SSR  | DC  | DC  | DC  | DC  | Solid  | 
1  | 
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  | Drive  | 0 - 10V  | 0 - 20mA  | 0 - 5V  | 4 - 20mA  | State  | 
Output  | Not  | Relay  | SSR  | DC  | DC  | DC  | DC  | Solid  | 
2/3  | fitted  | 
  | Drive  | 0 - 10V  | 0 - 20mA  | 0 - 5V  | 4 - 20mA  | State*  | 
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* Output 2 only
NOTES:
1.If Output 2 is a relay/SSR drive/solid state output, it may be a control output (COOL), an event output or an alarm output; if it is set to be a DC output, it can only be a control output (COOL).
2.If Output 3 is a relay/SSR drive output (it cannot be a solid state output), it can only be an event output or an alarm output; if it is set to be a DC output, it can only be a recorder (i.e. retransmitted process variable or setpoint) output.
The maximum setting available for this code is 4887. For example, the code for a thermocouple input, DC 4 - 20mA primary output (Output 1) and relay Output 3 would be 2701.
NOTE: It is essential that this code is changed promptly whenever there is a change to the instrument’s hardware configuration (change of input/output type, alarm/recorder output added/removed etc.). The instrument software depends upon this code to ensure that the instrument operates correctly.
This code may be viewed as a Read Only display in Base Mode (see Volume II, Subsection 1.11).
3.3OPTION SELECTION
This indicates the option fitted (Communications Option, Remote Run/Hold option or no option at all). It is accessed whilst the Hardware Definition Code is displayed (see Figure 
Volume I  |