Watlow Series PD ■ 25 ■ Appendix
Output Types
Open Collector
• Maximum voltage: 42VÎ (dc)
• Maximum current: 500 mA
• Class 2 power source required
Switched DC
• Supply voltage : 24VÎ (dc) @ 30 mA
• Supply voltage maximum: 28VÎ (dc) into an infi-
nite load
Solid-state Relay
• Optically isolated
• Zero cross switched
• Without contact suppression
• Minimum load current: 500 µA rms
• 0.5A at 24 to 240VÅ (ac), resistive
• 20 VA pilot duty, 120/240VÅ (ac), inductive
• Maximum offstate leakage current: 10 µA rms
• Use RC suppression for inductive loads
Electromechanical Relay, Form A
• Minimum load current: 10 mA
•2 A @ 240VÅ (ac) or 30VÎ (dc), resistive
• 125 VA pilot duty, 120/240VÅ (ac), inductive
• Electrical life 100,000 cycles at rated current
• Use RC suppression for inductive loads
Electromechanical Relay, Form C
• Minimum load current: 10 mA
•2 A @ 240VÅ (ac) or 30VÎ (dc), resistive
• 125 VA pilot duty, 120/240VÅ (ac), inductive
• Electrical life 100,000 cycles at rated current
• Use RC suppression for inductive loads
Process (Control or Retransmit)
• Range selectable: 0 to 20 mA, 4 to 20 mA, 0 to 5VÎ
(dc), 1 to 5VÎ (dc), 0 to 10VÎ (dc) (Can reverse low
and high values.)
• Reverse or direct acting
•0 to 10V
Î (dc) voltage output into 1,000 Ω mini-
mum load resistance
•0 to 20 mA current output into 800 Ω maximum
load resistance
• Resolution:
dc ranges: 2.5 mV nominal
mA ranges: 5 µA nominal
• Calibration accuracy:
dc ranges: ±15 mV
mA ranges: ±30 µA
• Temperature stability: 100 ppm/°C
Communications
Ethernet
• Isolated
• Ethernet RJ 45 connector, 10 base T
• HTTP interface
• DHCP, auto IP or fixed IP addressing
Agency Approvals
•UL
®
508 File #102269, C-UL
®
, CSA and CE
UL
®
is a registered trademark of the Underwriter’s
Laboratories, Inc.
• Submitted to Canadian Standards Association for
testing.
Terminals
• Touch-safe
• Compression: Will accept 0.2 to 4 mm
2
(22 to 12
AWG) wire
• Wire strip length: 6 mm (0.24 in)
• Torque terminal blocks to 0.9. Nm (8 in-lb)
Power
• 24V‡ (ac/dc) +10%; -15%; 50/60 Hz, ±5%
• Class 2 power source required.
• 14VA maximum power consumption
• Data retention upon power failure via nonvolatile
memory
Operating Environment
•0 to 65°C (32 to 149°F)
•0 to 90% RH, non-condensing
• Storage temperature: -40 to 85°C (-40 to 185°F)
Dimensions
• Width x height x depth
42 mm x 118 mm x 128 mm (1.64 in x 4.66 in x
5.06 in)
• DIN rail or chassis mount
DIN rail spec DIN 50022, 35 mm x 7.5 mm (1.38 in
x 0.30 in)
Note: These specifications are subject to change without
prior notice.
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