Manual

Technical Reference
Series 1500
B = Standard
C = Battery-backed real time clock
1 = Two RTDs
2
= One RTD &One 0-5VDC
3
= Two J t/c
4 = Two K t/c
5 = Two R t/c
ChanneIs 1 & 2 Control Outputs
AA = 2 S.S. relays, 0.5A.
BB = 2 S.S. switches, 10VDC, 5mA
Auxilliary Outputs/lnputs
0 = None
1 = 8 discrete outputs: S.S. relays, 0.5A and 2 dry-contact
inputs (event & remote-hold)
2
= 8 discrete outputs: S.S. switches, 1 OVDC, 5mA and
2 dry-contact inputs (event & remote-hold)
Communications
A
= None
C = Electrically Isolated RS422/423
Modifications
0 = Curve (Calibration 0.003916ohm/ohm/°C
1. = DIN Curve (Calibration 0.003850ohm/ohm°C
Analog Restransmit of Channel 2 Input Signal (Available with Dual RTD Input, Only)
0 = 0 - 0.5V out on Channel 2
1 = 0-5V out on Channel2
82 WATLOW Series 1500 User's Manual
Model # Information, Appendix