| Spec
| Description
|
| S1 | Loop 1 station (manual/auto)
|
| S2 | Loop 2 station (manual/auto)
|
| S3 | General purpose alarm 1
|
| S4 | General purpose alarm 2
|
| S5 | General purpose alarm 3
|
| S6 | General purpose alarm 4
|
| S7 | Auxiliary input 1
|
| S8 | Auxiliary input 2
|
| S9 | External alarm 1
|
| S10 | External alarm 2
|
| S11 | ASCII string descriptor 1
|
| S12 | Digital override permissive output 1
|
| S13 | Digital override permissive output 2
|
| S14 | Digital override permissive output 3
|
| S15 | Digital override permissive output 4
|
| S16 | Output default mode
|
| S17 | Spare real
|
| S18 | Spare
|
| S19 | Spare
|