Watlow Series PD Ethernet Enabled Temperature and Process Manuel d'utilisateur télécharger pdf (Page 27)

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

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

(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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Watlow Series PD Ethernet Enabled Temperature and Process Manuel d'utilisateur Page 27

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