I/O terminal blocks, ratings, and requirements - Romutec - LIT-12014235 - JDB8410-1 - Manual and Installation Instructions - Romutec - 4.04

JDB8410-1 Input/Output Module Installation Guide

Brand
Romutec
Product name
Romutec
Document type
Installation Guide
Document number
LIT-12014235
Version
4.04
Revision date
2023-04-26
Product status
Active
Language
English
Table 1. Romutec I/O terminal blocks, functions, ratings, requirements, and cables
Terminal block label Wiring interface label Function, electrical ratings, and requirements Wiring requirements
Binary IN BI n

Binary input, dry contact maintained mode

0.01 s minimum pulse width, 50 Hz at 50% duty cycle

Internal 35 V, 2.7 kΩ pull-up

See Guideline A in Table 1
BI Com The signal common for all Binary IN terminals, combined with power supply terminal commons
Lock man. Op Lock man. Op.

Binary input, dry contact maintained mode

0.01 s minimum pulse width, 50 Hz at 50% duty cycle

Internal 35 V, 2.7 kΩ pull-up

See Guideline A in Table 1
Lock COM The signal common for all Binary IN terminals, combined with power supply terminal commons
Binary OUT BO n NO

Binary output, up to 250 VAC relay contact

Connects BO n NO to BO Com when activated

Characteristics of resistive load:

  • Initial contact resistance 100 mΩ at 1 A/24 VDC
  • Rated load 5 A at 250 VAC, 5 A at 30 VDC, 10 A at 125 VAC
  • Max. switching voltage 277 VAC, 30 VDC
  • Max. switching capacity 1250 VA (AC), 150 W (DC)
  • Endurance 1 x 105 ops, rated load, 1 x 107 ops, no load

0.5 mm² to 1.5 mm²

20 AWG to 16 AWG stranded cable

BO n NC

Binary output, up to 250 VAC relay contact

Disconnects BO n NC from BO Com when activated

Characteristics, resistive load:

  • Initial contact resistance 100 mΩ at 1A/24 VDC
  • Rated load 3 A at 250 VAC, 3 A at 30 VDC, 5 A at 125 VAC
  • Max. switching voltage 277 VAC, 30 VDC
  • Max. switching capacity 750 VA (AC), 90 W (DC)
  • Endurance 1 x 105 ops, rated load, 1 x 107 ops, no load
BO n Com The output signal common for Binary OUT terminals, isolated from all other terminal commons, including BO terminal commons
SA bus
Note: The SA bus specifications in this table are for MS/TP bus communications at 38.4k. For more information, refer to the MS/TP Communications Bus Technical Bulletin (LIT-12011034) available from Johnson Controls.

Net +

Net –

I-Gnd

Provides SA bus communication network

Daisy-chained

366 m maximum length

0.5 mm2 to 1.5 mm2

0.75 mm2 optimal

Shield Terminal for the shield of the SA bus cable
24~ Power 24~ Hot AC supply input, supply 24 VAC ± 10%

0.75 mm2 to 1.5 mm2

1.0 mm2 optimal

Com The 24~ power common, combined with BI terminal commons
LED test input LT

Input to activate a check of all LEDs

Activate the LED test by connecting LT to Com

0.5 mm2 to 1.5 mm2

0.75mm2 optimal