Lathem DDC2 manual

DDC4 (Double Mount - Ceiling)	19
Setting the Time	20
Time Formats	20
12 Hour Format	20
24 Hour Format	20
Appendix A - DDC2-RS / 4-RS Secondary Clock Wiring Diagrams	21
Stand-Alone (115VAC)	21
3-Wire Synchronous (115VAC)	22
3-Wire Synchronous (24VAC)	23
3-Wire minute Impulse (59th Minute)	24
3-Wire Minute Impulse (59th Minute With 12 Hour Correction)	25
Standard Electric Synchronous	26
Standard Electric AR-2A 2-Wire Dual Voltage	27
Standard Electric AR-2 2-Wire Dual Voltage	28
Synchronous Wired	29
Simplex 59th Minute Dual Motor	30
Simplex 45th Minute Dual Motor	31
Edwards Dual Motor	32
Standard Electric AR-3 3-Wire Minute Impulse	33
National Synchronous Wired	34
Stromberg Synchronous Wired (56th Minute)	35
Cincinnati D1	36
Cincinnati D6, Edwards 2406	37
2-Wire Pulse Alternating (24VDC)	38
Electronic Coded	39
Straight Frequency	40
3-Wire Minute Impulse (58th Minute)	41
3-Wire Minute Impulse (44th Minute)	42
2-Wire Reverse Polarity Minute Impulse (59th Minute)	43
Appendix B - DDC2-RS-24 / DDC4-RS-24 Wiring	44
DDC2-RS-24 / DDC4-RS-24 Wiring	45
Appendix C - RS485 Wiring Diagrams	46
RS485 Data Format	46
OMCII to DDC2-RS / 4-RS	47
LTR0 to DDC2-RS / 4-RS	48
LTR4 / 8-512 to DDC2-RS / 4-RS	49
Appendix D - DDC-TC Timer Control Panel	50
Wiring	50
Installation	51
Operation	52