Watlow CPC400 - Manual (Page 189)

CPC400 Series User’s Guide Chapter 7: Specifications
Doc. 0600-2900-2000 Watlow Anafaze 175
The digital outputs may be used in conjunction with Dual
DAC or Serial DAC modules to provide analog signals. See
Dual DAC Specifications on page 178 and Serial DAC Spec-
ifications on page 180.
Digital Outputs
Table 7.18 Digital Outputs Control / Alarm
Table 7.19 CPU Watchdog Output
Table 7.20 5V
Î
(dc) Output (Power to Operate
Solid-State Relays)
Number 35
Operation Open collector output; ON state sinks to logic common
Function
34 Outputs selectable as closed-loop control, alarms or pro-
grammable logic. 1 global alarm output
Number of Control Outputs per
PID Loop
2 (maximum)
Control Output Types
Time proportioning, distributed zero crossing, Serial DAC or
on/off. All independently selectable for each output. Heat and
cool control outputs can be individually disabled for use as
alarm outputs
Time Proportioning Cycle Time 1 to 255 seconds, programmable for each output
Control Action
Reverse (heat) or direct (cool), independently selectable for
each output
Off State Leakage Current <0.01 mA to dc common
Maximum Current
60 mA for each output. 5V power supply (from the processor
module) can supply up to 350 mA total to all outputs
Maximum Voltage Switched 24V Î (dc)
Number 1
Operation Open collector output; ON state sinks to logic common
Function Monitors the processor module microprocessor
Maximum Current
10 mA (5V power supply in the processor module can supply
up to 350 mA total to all outputs)
Maximum Voltage Switched 5V Î (dc)
Voltage 5V Î (dc)
Maximum Current 350 mA