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BCS6000C-9
APPENDIX D: DL250 PROGRAMMABLE CONTROLLER
BASE: 9-Slot Base w/8 I/O Modules. Part No. 58484
CPU: Central Processing Unit. Part No. 400429
BATTERY: CPU 3V Battery. Part No. 62311
SLOT 0: 8-Point Analog Voltage Input Module. Part No. 63319
Input Wire Function
1 92 0-5Vdc Material temperature from P1161 instrument
2 93 0-5Vdc Stack temperature from P1161 instrument
3 94 1-5Vdc from dryer draft transmitter
4 91 0-5Vdc flame signal from the flame relay
5 83 0-5Vdc Gas control motor position
6 85 0-5Vdc Air control motor position
7 84 0-5Vdc Oil/LP control motor position
8 88 4-20mA or 1-5Vdc Auxiliary input 2 or comb. air VFD
24V 99 24Vdc power supply
0V 81 Analog reference
SLOT 1: 8-Point AC Input Module. Part No. 58481
Input Wire Function
X20 28 RESET pushbutton
X21 23 ALARM SILENCE pushbutton
X22 38 START pushbutton
X23 60 OIL selected, from fuel selector switch
X24 36 STOP pushbutton (normally closed)
X25 56 Flame on, from flame relay
X26 58 Reset required, from flame relay
X27 48 Spare
COM L2 AC Neutral
SLOT 2: 8-Point AC Input Module. Part No. 58481
Input Wire Function
X30 13 Exhaust fan limits
X31 16 Secondary air interlock
X32 18 Low oil temperature
X33 26 Stack temperature limit
X34 54 Purge complete from 1TR timer
X35 21 Low fire limit switches
X36 43 Main fuel valve open
X37 24 Purge air and main fuel valve closed limits
COM L2 AC Neutral
SLOT 3: 8-Point AC Input Module. Part No. 58481
Input Wire Function
X40 17 High gas pressure limit
X41 14 Secondary air motor starter interlock
X42 17B High Oil or LP pressure
X43 17D Atomizing air limits
X44 16A Low gas pressure
X45 17A Low oil pressure
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